Patents by Inventor Makoto Igarashi

Makoto Igarashi 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).

  • Publication number: 20180055372
    Abstract: An image processing apparatus including: an image acquisition device for observing a living body; a blood vessel recognition device that irradiates the living body with an exploration laser beam and that recognizes a blood vessel; an arithmetic operation unit that calculates a first laser spot position on a first frame acquired by the image acquisition device when the blood vessel is recognized and that adds a mark corresponding to the first laser spot to a position on a second frame corresponding to the first frame, the second frame being acquired at a time different from the time of the first frame; and a display unit for displaying, on an image acquired by the image acquisition device, a plurality of the marks added by the arithmetic operation unit as a result of the blood vessel being recognized at a plurality of different times.
    Type: Application
    Filed: October 20, 2017
    Publication date: March 1, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Takeshi WATANABE, Makoto IGARASHI, Mitsuru NAMIKI, Hiroyoshi YAJIMA, Yuji HIRAI, Satoshi HONDA, Kazuhiro TANAKA, Yusuke TAKEI
  • Publication number: 20180000335
    Abstract: A biological observation system includes: a light source apparatus configured to supply a first illuminating light, and a second illuminating light, while switching between the first illuminating light and the second illuminating light; an image pickup device configured to receive light from an object at each of a plurality of pixels having different sensitivities, and picks up an image; a color separation processing portion configured to separate, from respective color components, a color component obtained when an image of light of a predetermined wavelength band is picked up by a pixel having the greatest sensitivity to the light in the predetermined wavelength band; and a control portion configured to cause different processing to be performed between a case where an inputted image pickup signal corresponds to the first illuminating light and a case where an inputted image pickup signal corresponds to the second illuminating light.
    Type: Application
    Filed: September 15, 2017
    Publication date: January 4, 2018
    Applicant: OLYMPUS CORPORATION
    Inventors: Makoto IGARASHI, Kenji YAMAZAKI, Kotaro OGASAWARA
  • Publication number: 20170372877
    Abstract: A support apparatus for plasma adjustment includes a storage part storing index value estimation data including data defining an amount of change in an index value between adjustment positions for each of the adjustment parts, the index value corresponding to electron density of plasma, an input part for inputting a measurement result of the index value obtained when plasma is generated and the adjustment positions of the adjustment parts, and a data processing part configured to estimate the index value for each of adjustment positions of the adjustment parts based on input items input to the input part and the estimation data and configured to select proper combinations of the adjustment positions of the adjustment parts based on combinations of the adjustment positions of the adjustment parts and estimated values of a plurality of index values in the circumferential direction corresponding to the respective combinations.
    Type: Application
    Filed: June 22, 2017
    Publication date: December 28, 2017
    Inventors: Takafumi NOGAMI, Makoto IGARASHI
  • Publication number: 20170341156
    Abstract: A composite sintered body cutting tool is made of a composite sintered body comprising a TiCN-based cermet layer; and a WC-based cemented carbide layer. The angle between the rake face and the flank face of the cutting tool is 90°. The rake face including a cutting edge of the cutting tool is constituted from the WC-based cemented carbide layer, in which 4 to 17 mass % of an iron group metal component and 75 mass % or more of W are included; and a major hard phase component is WC. The thickness of the WC-based cemented carbide layer is 0.05 to 0.3 times the thickness of the composite sintered body. The TiCN-based cermet layer is constituted from a single layer of a TiCN-based cermet layer, including at least, 4 to 25 mass % of an iron group metal component, less than 15 mass % of W, 2 to 15 mass % of Mo, 2 to 10 mass % of Nb and 0.
    Type: Application
    Filed: December 24, 2015
    Publication date: November 30, 2017
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Makoto IGARASHI, Akihiro MURAKAMI
  • Publication number: 20170311877
    Abstract: A surgical treatment device is provided with: an action portion; a light emitting part that radiates laser light onto living tissue; a light receiving part that receives scattered light of the laser light scattered by the living tissue; a light detection unit that detects the intensity of the scattered light received by the light receiving part; a frequency analysis unit that obtains time-series data indicating a temporal change in the intensity of the scattered light detected by the light detection unit, to extract an amount of frequency spectrum shift of the scattered light, included in the time-series data; and a determination unit that determines a feature of a blood vessel in the living tissue on the basis of the amount of frequency spectrum shift.
    Type: Application
    Filed: July 14, 2017
    Publication date: November 2, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Takeshi WATANABE, Shintaro TAKAHASHI, Makoto IGARASHI
  • Patent number: 9775497
    Abstract: An endoscope apparatus includes: a light source device radiating at least one or more illumination lights having a predetermined wavelength band to a subject; a CCD picking up an image of a return light from the subject based on radiation of the illumination light from the light source device; an image processing section outputting a first image signal of a first wavelength band having a peak wavelength of spectral characteristic, between a wavelength band including a maximum value and a wavelength band at a minimum value with regard to an absorption characteristic of living tissue, after image pickup by the CCD; and an observation monitor performing image display on the basis of the first image signal.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: October 3, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Makoto Igarashi, Tetsuo Nonami, Kenji Taira
  • Publication number: 20170231689
    Abstract: A medical apparatus includes a treatment device configured to be capable of treating a subject by applying energy to the subject, an optical fiber including a light emitting face for emitting light into the subject, the optical fiber being connected to the treatment device, and a shield portion that is disposed in front of the light emitting face of the optical fiber, the shield portion being configured to expose the light emitting face when the treatment device does not perform a treatment operation and to shield the light emitting face when the treatment device performs the treatment operation.
    Type: Application
    Filed: May 3, 2017
    Publication date: August 17, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Makoto IGARASHI, Takeshi WATANABE, Yuji HIRAI, Kenichi KIMURA, Satoshi HOMMA, Hiroshi MIYAJIMA, Hiroyoshi YAJIMA
  • Publication number: 20170231553
    Abstract: A medical apparatus includes a laser light source for blood vessel sensing configured to irradiate illumination light for detecting a blood vessel, a photodetector configured to detect return light of the illumination light, an optical-characteristic processing circuit configured to calculate, based on a detection result of the return light, at least one of information concerning scattering of blood cells in the blood vessel and information concerning absorption by blood, a blood-vessel-characteristic determination circuit configured to determine a characteristic of the blood vessel based on an optical characteristic calculation result, and a laser light source for guide configured to irradiate, based on the determined characteristic of the blood vessel, notification light on an irradiation near region including an irradiation region.
    Type: Application
    Filed: May 4, 2017
    Publication date: August 17, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Makoto IGARASHI, Takeshi WATANABE, Yuji HIRAI, Kenichi KIMURA, Satoshi HOMMA, Hiroshi MIYAJIMA
  • Publication number: 20170188800
    Abstract: A medical sheath is a medical sheath to be used in combination with a medical device including an insertion portion that can be inserted into a body cavity of a subject via a trocar, the medical sheath including: a sheath body formed in a shape that can be inserted to and removed from a through hole through in the trocar; a channel provided in the sheath body, the channel having a shape that enables insertion and removal of the insertion portion; a first optical transmission section provided in the sheath body, the first optical transmission section being provided for guiding illuminating light; and a second optical transmission section that is provided in the sheath body and is separate from the first optical transmission section, the second optical transmission section being provided for guiding return light generated upon application of the illuminating light from the first optical transmission section.
    Type: Application
    Filed: March 22, 2017
    Publication date: July 6, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Yuchun FU, Makoto IGARASHI, Hiroyoshi YAJIMA, Mitsuru NAMIKI, Takeshi WATANABE
  • Publication number: 20170172390
    Abstract: A medical device includes: an insertion portion formed in an elongated shape that can be inserted into an insertion hole of an insertion assisting instrument that assists insertion into a body cavity of a subject; a distal end portion that is provided in the insertion portion and is configured to be capable of emitting an illuminating light that is irradiated at the subject; and an interlock mechanism which has a member that is provided in the insertion portion, and which is configured to, in conjunction with a position between the insertion assisting instrument and the member, perform an operation for transitioning to either one of a state in which emission of the illuminating light by the distal end portion is possible and a state in which emission of the illuminating light by the distal end portion is not possible.
    Type: Application
    Filed: March 6, 2017
    Publication date: June 22, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Yuchun FU, Makoto IGARASHI
  • Publication number: 20170150876
    Abstract: A biological observation system includes: a light source section generating illumination light including at least first illumination light with a center wavelength from a red region to a near infrared region of a visible region; a light detection section receiving return light emitted from a region to be observed to which the illumination light is applied and outputting an output signal; a signal processing section generating a frequency spectrum signal indicating a frequency spectrum of the return light emitted from the region to be observed according to application of the first illumination light; an image generation section generating an intensity image based on the output signal and generate a frequency spectrum image based on the frequency spectrum signal; and a display control section generating and displaying an observation image of the region to be observed by using the intensity image and the frequency spectrum image.
    Type: Application
    Filed: February 13, 2017
    Publication date: June 1, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Makoto IGARASHI, Hiroyoshi YAJIMA
  • Publication number: 20170120344
    Abstract: A composite part includes: a cutting edge part made of cubic boron nitride sintered material or WC-based cemented carbide; a cutting tool body made of cemented carbide; and a bonding part between the cutting edge part and the cutting tool body. A primarily TiC layer containing 50 area % or more of TiC is formed in an interface between the cemented carbide and the bonding part, and has a thickness of 0.5-3 ?m. Ti—Ni enriched layer containing each of Ti and Ni at 30 atomic % or more is formed adjacent to the primarily TiC layer and has a thickness of 0.3-3 ?m. An intermittent net structure containing each of Ti, Ni and C at 10 atomic % or more is formed adjacent to the primarily TiC layer. A straight line overlapping with a major axis of each of crystal grains intersects 3 or more other crystal grains.
    Type: Application
    Filed: March 24, 2015
    Publication date: May 4, 2017
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventor: Makoto IGARASHI
  • Patent number: 9636952
    Abstract: A heavy duty pneumatic tire includes a tread portion provided with circumferentially extending zigzag shaped main grooves, a plurality of land portions separated by the main grooves, and a plurality of lateral grooves to form a plurality of block elements on each land portion. Each land portion comprises a number of pitches in a range of from 40 to 50, wherein each pitch consists of one block element and one lateral groove adjacent to the concerned block element. Each block element has a length in a range of from 85% to 95% of a length of the pitch. The main grooves include a crown main groove, a shoulder main groove, and a middle main groove. The middle main groove has a zigzag amplitude larger than those of the crown main groove and the shoulder main groove.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: May 2, 2017
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Taro Okabe, Makoto Igarashi, Minoru Nishi
  • Publication number: 20170042413
    Abstract: An endoscope apparatus has an image pickup device having a first pixel having a sensitivity in a predetermined wavelength band, and a second pixel having a sensitivity in a wavelength band including a part of the predetermined wavelength band, a light source section configured to generate a light for irradiating a subject, an intensity of which reaches a peak in the part of the predetermined wavelength band to which the second pixel has a sensitivity, and an addition section configured to generate an addition signal obtained by adding a first image pickup signal obtained by receiving a return light from the subject at a time of the subject being irradiated in the first pixel, and a second image pickup signal obtained by receiving a return light from the subject in the second pixel.
    Type: Application
    Filed: October 26, 2016
    Publication date: February 16, 2017
    Applicant: OLYMPUS CORPORATION
    Inventors: Makoto IGARASHI, Yasunori MORITA, Kazuhiro TAKIZAWA
  • Publication number: 20170027428
    Abstract: An endoscope apparatus includes: a light source section configured to generate first light emitted to a subject having hemoglobin and second light; an image pickup section configured to receive light from the subject irradiated with the light from the light source section to generate an image pickup signal; an image generation section configured to generate an observation image of the subject from a first image pickup signal generated by receiving light from the subject irradiated with the first light and a second image pickup signal generated by receiving light from the subject irradiated with the second light; and a control section configured to control a spectral product of at least one of the first light and the second light such that a spectral product in the wavelength band of the first light falls within 50% to 150% of a spectral product in the wavelength band of the second light.
    Type: Application
    Filed: October 11, 2016
    Publication date: February 2, 2017
    Applicant: OLYMPUS CORPORATION
    Inventor: Makoto IGARASHI
  • Publication number: 20170008093
    Abstract: A surface-coated titanium carbonitride-based cermet cutting tool is a surface-coated TiCN-based cermet cutting tool in which a Ti compound layer that is a hard coating layer is deposited as a first layer on the surface of a TiCN-based cermet body containing W and Mo, and a Mo-enriched layer having an average thickness of 0.5 to 10 nm is formed at an interface between a TiCN phase of the body and the hard coating layer.
    Type: Application
    Filed: February 25, 2015
    Publication date: January 12, 2017
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Makoto IGARASHI, Akihiro MURAKAMI
  • Publication number: 20160318132
    Abstract: A cutting tool including a cutting edge part made of cBN sintered material bonded through a brazing material for bonding and a cutting tool body made of WC-based cemented carbide is provided. In the cutting tool, the cutting edge part made of cBN sintered material and the cutting tool body made of WC-based cemented carbide are brazed by using a blazing material for bonding including: 35-40% of Ti in a mass ratio; 35-40% of Zr in a mass ratio; 5-15% of Ni in a mass ratio; and the Cu balance including inevitable impurities.
    Type: Application
    Filed: December 22, 2014
    Publication date: November 3, 2016
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Makoto IGARASHI, Tadakazu OHASHI, Kenji YUMOTO, Hiroyasu SHIMIZU
  • Publication number: 20160278621
    Abstract: A living body observation system includes: an illuminating light generation section configured to generate first light and second light; an image pickup section; a computation section configured to calculate a difference degree indicating a degree of difference between a luminance value of a first image obtained by picking up an image of return light of the first light and a luminance value of a second image obtained by picking up an image of return light of the second light in a same pixel; an enhancement processing section configured to enhance a contrast of the pixel in which the difference degree exceeds a threshold relative to a pixel in which the difference degree does not exceed the threshold; and an observation image creation section configured to create an observation image by using the first image after the process by the enhancement processing section and the second image.
    Type: Application
    Filed: June 9, 2016
    Publication date: September 29, 2016
    Applicant: OLYMPUS CORPORATION
    Inventor: Makoto IGARASHI
  • Patent number: 9452478
    Abstract: A surface-coated cutting tool includes a body and a hard coating layer coating the cutting tool body. In the surface-coated cutting tool, the (Ti1-XAlX)(CYN1-Y) layer with a cubic crystal structure (X and Y are atomic ratio, and satisfy 0.60?X?0.90 and 0.0005?Y?0.005, respectively) is vapor-deposited on the body by a chemical vapor deposition method. The Al content XL is 0.55?XL?0.70, and the grain size DL is 0.1 ?m or less in the (Ti1-XAlX)(CYN1-Y) layer near the interface between the body and the complex carbonitride layer. The Al content XH 0.80?XH?0.95 and the average grain size DH is 0.5 ?m to 2 ?m in the (Ti1-XAlX)(CYN1-Y) layer near the outer surface side. Furthermore, the Al content ratio and the grain size in the (Ti1-XAlX)(CYN1-Y) layer gradually increase to the outer surface side.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 27, 2016
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Makoto Igarashi, Sho Tatsuoka, Naoyuki Iwasaki, Akira Osada
  • Publication number: 20160272010
    Abstract: In the present invention, by providing, to a tread section, a pair of center primary grooves, a pair of shoulder primary grooves, a plurality of center lateral grooves, a plurality of middle lateral grooves, and a plurality of shoulder lateral grooves, the tread section is divided into a center block, a middle block, and a shoulder block. In the center primary grooves, a long-side section, and a short-side section inclined in the reverse orientation from the long-side section are provided in an alternating manner. The center lateral grooves connect between the long-side sections of the pair of center primary grooves, and the middle lateral grooves connect between the outside zigzag peak of the center primary grooves and the inside zigzag peak of the shoulder primary grooves. The middle block has an inclined slot of which the depth gradually increases toward the center primary groove at a position opposing the center lateral groove with the center primary groove sandwiched therebetween.
    Type: Application
    Filed: October 8, 2014
    Publication date: September 22, 2016
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Masakazu WASHIZUKA, Makoto IGARASHI