Patents by Inventor Yoshikuni Sato

Yoshikuni Sato has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9426363
    Abstract: An exemplary image forming apparatus according to the present disclosure includes: a light source which irradiates an object with light and of which the orientation and position are fixed; a tilting mechanism which tilts the object at multiple tilt angles; an image sensor which is arranged at a position where the light that has been transmitted through the object is incident, gets tilted along with the object by the tilting mechanism, and captures a plurality of images at the multiple tilt angles; and an image processing section which forms a high-resolution image of the object, having a higher resolution than any of the plurality of images, by synthesizing the plurality of images together.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: August 23, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yasuhiko Adachi, Yoshikuni Sato, Hideto Motomura
  • Patent number: 9424640
    Abstract: A pathological diagnosis support apparatus outputs a diagnostic region that is to be used as a target for diagnosis in a specimen image representing a specimen that is a target for pathological diagnosis, and includes: a target obtainment unit which obtains the specimen image and specimen information related to a scheme for preparing the specimen; a criterion obtainment unit which obtains a criterion corresponding to the specimen information from a database associating, for each of a plurality of specimens, specimen information related to a scheme for preparing each of the plurality of specimens with a criterion indicating a condition of a positive rate which is to be satisfied by the diagnostic region in a specimen image; and an output unit which outputs, as the diagnostic region, each of one or more regions in the specimen image having the positive rate determined to satisfy a condition indicated by the criterion obtained by the criterion obtainment unit.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: August 23, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshikuni Sato, Hideto Motomura
  • Patent number: 9418414
    Abstract: An image measurement apparatus includes: an image acquiring unit that acquires a sample image that is an image obtained by capturing an image of a sample; a standard color space converting unit that converts the sample image into a standard sample image that is an image in a standard color space; a color distribution normalizing unit that converts the standard sample image into a normalized sample image by converting pixel values of pixels in the standard sample image to cause a color distribution vector indicating a color distribution of the standard sample image to match a predetermined standard color distribution vector indicating a standard color distribution; and a positive rate acquiring unit that detects positive pixels by performing threshold processing on pixel values of pixels in the normalized sample image, and acquires a positive rate indicating a proportion of the detected positive pixels.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: August 16, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hideto Motomura, Yoshikuni Sato
  • Patent number: 9378552
    Abstract: An image processing apparatus including: an examination image obtaining unit obtaining an examination image of an examination subject; a shift-invariant feature quantity calculating unit calculating, for each pixel, a shift-invariant feature quantity represented by predetermined base vectors, from the examination image obtained by the examination image obtaining unit; a selecting unit selecting, on the examination image, a pixel having a matching degree lower than or equal to a predetermined threshold, between (i) a relative positional relationship of classes in normal images each of which does not include a lesion site and (ii) a relative positional relationship of the classes to which shift-invariant feature quantities respectively belong in the examination image, the classes being obtained by clustering the shift-invariant feature quantities: calculated from pixels included in the normal images; and represented by the predetermined base vectors; and an output unit outputting a result of the selection perfo
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: June 28, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshikuni Sato, Hideto Motomura, Kazuki Kozuka
  • Patent number: 9330455
    Abstract: The diagnostic support apparatus includes a feature quantity calculation unit vectorizing a test image into shift-invariant feature quantities, a base representation unit transforming the shift-invariant feature quantities of the test image into a linear combination of base vectors with first coefficients, the base vectors being calculated from a plurality of vectors representing shift-invariant feature quantities of a plurality of normal structural images including no lesion site, a lesion determination unit determining that the test image includes a lesion site when a difference between the first coefficients and second coefficients is greater than a determination threshold value, the second coefficients being used to transform shift-invariant feature quantities calculated from one of the normal structural images into a linear combination of the base vectors, and an output unit outputting a result of the determination by the lesion determination unit.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: May 3, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hideto Motomura, Yoshikuni Sato, Kazuki Kozuka
  • Patent number: 9330335
    Abstract: A diagnostic support apparatus includes a base vector matching unit configured to match test image base vectors used for a base representation of a test image feature quantity of a test image and normal image base vectors used for a base representation of a normal image feature quantity of a normal image, a lesion determination unit configured to determine that the test image includes an image of a lesion site when a difference between a test image base coefficient and a normal image base coefficient is greater than a threshold, the test image base coefficient being a coefficient with which the test feature quantity is transformed to the base representation, and the normal image base coefficient being a coefficient with which the normal feature quantity is transformed to the base representation, and a determination result output unit configured to output a result of the determination by the lesion determination unit.
    Type: Grant
    Filed: November 29, 2013
    Date of Patent: May 3, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hideto Motomura, Yoshikuni Sato
  • Publication number: 20150372319
    Abstract: A fuel cell including a pair of connectors (12, 13); a single cell (20) having an electrolyte layer (2) and electrode layers (14, 15); and current-collecting members (18, 19) disposed between the electrode layers and the connectors, respectively. The current-collecting members (19) corresponding to at least the one electrode layer (15) has connector contact portions (19a) in contact with connector (13), cell contact portions (19b) in contact with electrode layer (15), connection portions (19c) connecting corresponding connector contact portions (19a) and cell contact portions (19b), and a spacer (58) disposed between connector contact portions (19a) and cell contact portion (19b). An end of the spacer (58) located opposite the connection portions (19c) protrudes from at least the ends of the cell contact portions (19b) located opposite the connection portions (19c) or the ends of the connector contact portions (19a) located opposite the connection portions (19c).
    Type: Application
    Filed: December 26, 2013
    Publication date: December 24, 2015
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Hiroaki YAGI, Yoshikuni SATO, Nobuyuki HOTTA
  • Publication number: 20150372334
    Abstract: A fuel cell including a pair of connectors (12, 13); a single cell (20) having an electrolyte layer (2) and electrode layers (14, 15); and current-collecting members (18, 19) disposed between the electrode layers and the connectors (12, 13), respectively. The current-collecting members (19) corresponding to at least the one electrode layer (15) has connector contact portions (19a) in contact with the connector (13), cell contact portions (19b) in contact with the electrode layer (15), connection portions (19c) connecting corresponding connector contact portions (19a) and cell contact portions (19b), and a spacer (58) disposed between the connector contact portions (19a) and cell contact portion (19b). An end of the spacer (58) located opposite the connection portions (19c) recedes from the ends of the cell contact portions (19b) located opposite the connection portions (19c) and from the ends of the connector contact portions (19a) located opposite the connection portions (19c).
    Type: Application
    Filed: December 26, 2013
    Publication date: December 24, 2015
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Hiroaki YAGI, Yoshikuni SATO, Nobuyuki HOTTA
  • Publication number: 20150364751
    Abstract: A graphite powder, preferably including scale-like particles, which satisfies the following formulae (1) and (2), wherein e(0.5) represents the initial charge-discharge efficiency of a coin cell fabricated from an electrode (work electrode) produced by compressing an electrode material employing graphite powder as an active material under a pressure of 0.5 t/cm2, a lithium metal counter electrode, a separator and an electrolytic solution; and e(3) represents the initial charge-discharge efficiency of a coin cell fabricated from an electrode (work electrode) produced by compressing an electrode material employing graphite powder as an active material under a pressure of 3 t/cm2, a lithium metal counter electrode, a separator and an electrolytic solution: e(3)(%)?e(0.5)(%)?1,??formula (1): e(3)(%)>85.??formula (2): Also disclosed is a method of producing the graphite powder; a graphite material for a battery electrode; an electrode for a lithium ion; and a lithium-ion secondary battery.
    Type: Application
    Filed: February 3, 2014
    Publication date: December 17, 2015
    Applicant: SHOWA DENKO K.K.
    Inventors: Yasuaki WAKIZAKA, Yuichi KAMIJO, Daisuke KONO, Yoshikuni SATO
  • Publication number: 20150262384
    Abstract: An image measurement device including: light sources that irradiate light beams having different peak wavelengths; a staining method obtaining unit which obtains information indicating a staining method of an inspection specimen; an image obtaining unit which: selects a combination of light sources according to the staining method, based on illumination information; and capture inspection images of the inspection specimen with light beams from the selected light sources, and capture reference images of a reference specimen with light beams from the respective light sources; a calculating unit which calculates a positivity based on the inspection images; and an evaluation unit which associates the staining method of the reference specimen with the combination of light sources to generate the illumination information based on a total value of coefficients in a linear sum of the ortho-normalization base vectors of a spectral distribution of light sources calculated based on the reference images.
    Type: Application
    Filed: June 2, 2015
    Publication date: September 17, 2015
    Inventors: Hideto MOTOMURA, Yoshikuni SATO, Yasuhiko ADACHI
  • Patent number: 9111345
    Abstract: A medical image compression device includes: a compression target obtaining unit obtaining a target medical image to be compressed and diagnostic finding information for the target image; a clinical condition range obtaining unit dividing the target image into regions for the respective clinical conditions based on the diagnostic finding information; a pixel value prediction unit, for an arbitrary pixel, referring to a prediction knowledge database, and calculating a prediction probability of a value of a prediction target pixel based on the clinical condition of the prediction target pixel and the appearance distribution of the value of the prediction target pixel; a coding unit coding the value of the prediction target pixel based on the prediction probability of the pixel value; and an output unit outputting a code of the prediction target pixel after being coded by the coding unit.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: August 18, 2015
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshikuni Sato, Hideto Motomura
  • Publication number: 20150172575
    Abstract: An exemplary image forming apparatus according to the present disclosure includes: a light source which irradiates an object with light and of which the orientation and position are fixed; a tilting mechanism which tilts the object at multiple tilt angles; an image sensor which is arranged at a position where the light that has been transmitted through the object is incident, gets tilted along with the object by the tilting mechanism, and captures a plurality of images at the multiple tilt angles; and an image processing section which forms a high-resolution image of the object, having a higher resolution than any of the plurality of images, by synthesizing the plurality of images together.
    Type: Application
    Filed: February 20, 2015
    Publication date: June 18, 2015
    Inventors: Yasuhiko ADACHI, Yoshikuni SATO, Hideto MOTOMURA
  • Publication number: 20150163405
    Abstract: An exemplary image forming apparatus includes: an illumination system which sequentially emits illuminating light beams from multiple different irradiation directions; an image sensor which captures a plurality of different images in the multiple different irradiation directions, respectively; an image processing section which forms a high-resolution image; and a memory which stores data about the ratio of light rays that have been incident on a photoelectric conversion section of each pixel of the image sensor to light rays that have passed through the upper surface of a plurality of subpixels included in the pixel with respect to each of the multiple irradiation directions. The image processing section forms the high-resolution image based on the data that has been retrieved from the memory by extracting, as a vector, a set of pixel values associated with the multiple irradiation directions from pixel values that form each of the plurality of images.
    Type: Application
    Filed: February 20, 2015
    Publication date: June 11, 2015
    Inventors: Yasuhiko ADACHI, Yoshihide SAWADA, Yoshikuni SATO, Hideto MOTOMURA
  • Patent number: 9008390
    Abstract: A similar case searching apparatus includes: a search vector generating unit which: with reference to a relevance database storing the degrees of relevance between (i) a combination of the keyword extracted by the keyword extracting unit and the attribute value of the keyword obtained by the keyword attribute obtaining unit and (ii) the respective image feature quantities extracted by the image feature extracting unit, performs weighting on (i) the image feature quantities extracted by the image feature extracting unit and (ii) image feature quantities extracted from a second medical image group of medical images included in a second case data item stored in the case database, using the degrees of relevance as weights; and a similar case searching unit which searches out, from the case database, the second case data item similar to a first case data item by comparing the weighed image feature quantities (i) and (ii).
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: April 14, 2015
    Assignee: Panasonic Corporation
    Inventors: Kazutoyo Takata, Kenji Kondo, Kazuki Kozuka, Yoshikuni Sato
  • Publication number: 20150023573
    Abstract: A pathological diagnosis support apparatus which outputs a diagnostic region that is to be used as a target for diagnosis in a specimen image representing a specimen that is a target for pathological diagnosis, and includes: a target obtainment unit which obtains the specimen image and specimen information related to a scheme for preparing the specimen; a criterion obtainment unit which obtains a criterion corresponding to the specimen information from a database associating, for each of specimens, specimen information related to a scheme for preparing the specimen with a criterion indicating a condition of a positive rate which is to be satisfied by the diagnostic region in a specimen image; and an output unit which outputs, as the diagnostic region, each of one or more regions in the specimen image having the positive rate determined to satisfy a condition indicated by the criterion obtained by the criterion obtainment unit.
    Type: Application
    Filed: July 7, 2014
    Publication date: January 22, 2015
    Inventors: Yoshikuni SATO, Hideto MOTOMURA
  • Patent number: 8934695
    Abstract: A similar case searching apparatus includes: an image feature quantity extracting unit which extracts image feature quantities from an interpretation target image; a reference expression extracting unit which extracts a reference expression from a description related to a second test in a target image interpretation report; a weight determining unit which determines, for each image feature quantity, a weight which is larger as the correlation between the image feature quantity and the reference expression is higher, based on two-data correlation information; and a similar case searching unit which searches a case database for a similar case data item including a medical image similar to the interpretation target image, by weighting the image feature quantity extracted from the interpretation target image and a corresponding image feature quantity extracted from the medical image and comparing the weighted image feature quantities.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: January 13, 2015
    Assignee: Panasonic Corporation
    Inventors: Yoshikuni Sato, Kenji Kondo, Kazutoyo Takata, Kazuki Kozuka
  • Publication number: 20140367555
    Abstract: An image measurement apparatus includes: a lighting unit that emits a first narrowband light with a bandwidth (i) narrower than a bandwidth of a visible light and (ii) including a dominant wavelength of a color of a positive cell nucleus; an image obtaining unit that obtains an examination image by capturing an image of a pathologic examination specimen to which the first narrowband light is emitted; a cell nuclei extracting unit that extracts pixels of positive cell nuclei from the examination image by comparing pixel values of the examination image with a predetermined threshold; a positive proportion calculating unit that calculates a proportion of the positive cell nuclei among cell nuclei included in the pathologic examination specimen, using the pixels of the positive cell nuclei extracted by the cell nuclei extracting unit; and an output unit that outputs the proportion.
    Type: Application
    Filed: August 28, 2014
    Publication date: December 18, 2014
    Inventors: Hideto MOTOMURA, Yoshikuni SATO
  • Patent number: 8853929
    Abstract: An ignition plug providing excellent ignition performance that can be maintained over a long period of time by restraining channeling. The ignition plug includes a ceramic insulator having an axial bore, a center electrode inserted into the axial bore, a metallic shell, and a ground electrode fixed to the metallic shell, and has a cavity defined by an inner circumferential surface of the axial bore and the forward end surface of the center electrode. The axial bore includes a first straight portion and a diameter-reducing portion. As viewed on a section which contains an axis (CL1) of the ignition plug, a relational expression ??10 is satisfied, where ? (°) is an acute angle formed by a straight line orthogonal to the axis (CL1) and the outline of the diameter-reducing portion.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: October 7, 2014
    Assignee: NGK Spark Plug Co., Ltd.
    Inventors: Hiroyuki Kameda, Daisuke Nakano, Naofumi Yamamura, Daisuke Kasahara, Yoshikuni Sato
  • Publication number: 20140161327
    Abstract: A diagnostic support apparatus includes a base vector matching unit configured to match test image base vectors used for a base representation of a test image feature quantity of a test image and normal image base vectors used for a base representation of a normal image feature quantity of a normal image, a lesion determination unit configured to determine that the test image includes an image of a lesion site when a difference between a test image base coefficient and a normal image base coefficient is greater than a threshold, the test image base coefficient being a coefficient with which the test feature quantity is transformed to the base representation, and the normal image base coefficient being a coefficient with which the normal feature quantity is transformed to the base representation, and a determination result output unit configured to output a result of the determination by the lesion determination unit.
    Type: Application
    Filed: November 29, 2013
    Publication date: June 12, 2014
    Applicant: Panasonic Corporation
    Inventors: Hideto MOTOMURA, Yoshikuni SATO
  • Publication number: 20140105480
    Abstract: An image measurement apparatus includes: an image acquiring unit that acquires a sample image that is an image obtained by capturing an image of a sample; a standard color space converting unit that converts the sample image into a standard sample image that is an image in a standard color space; a color distribution normalizing unit that converts the standard sample image into a normalized sample image by converting pixel values of pixels in the standard sample image to cause a color distribution vector indicating a color distribution of the standard sample image to match a predetermined standard color distribution vector indicating a standard color distribution; and a positive rate acquiring unit that detects positive pixels by performing threshold processing on pixel values of pixels in the normalized sample image, and acquires a positive rate indicating a proportion of the detected positive pixels.
    Type: Application
    Filed: December 18, 2013
    Publication date: April 17, 2014
    Applicant: Panasonic Corporation
    Inventors: Hideto MOTOMURA, Yoshikuni SATO