Patents by Inventor Koji Matsumoto

Koji Matsumoto 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: 20210151314
    Abstract: Diffusion of a group III material into an Si substrate is suppressed during the time when a group III nitride semiconductor layer is grown on the Si substrate, with an AlN buffer layer being interposed therebetween. A method for manufacturing a group III nitride semiconductor substrate comprises: a step for growing a first AlN buffer layer on an Si substrate; a step for growing a second AlN buffer layer on the first AlN buffer layer at a temperature higher than a growth temperature of the first AlN buffer layer; and a step for growing a group III nitride semiconductor layer on the second AlN buffer layer. The growth temperature of the first AlN buffer layer is 400-600° C.
    Type: Application
    Filed: October 2, 2018
    Publication date: May 20, 2021
    Applicant: SUMCO CORPORATION
    Inventors: Koji MATSUMOTO, Toshiaki ONO, Hiroshi AMANO, Yoshio HONDA
  • Publication number: 20210140751
    Abstract: There is provided a digital micrometer suitable for measuring an object to be measured that is a strong magnet. A digital micrometer includes a main-body frame, a spindle, a thimble part, and a displacement detector that detects displacement of the spindle. The main-body frame includes an U-shaped frame part, and a spindle holding part provided on the other end side of the U-shaped frame part and having a length in a direction away from an anvil. The spindle is held by a spindle holding part, provided to be movable forward and backward in an axial direction with respect to the anvil, and includes a contactor on one end face. The main-body frame and the spindle are formed of a non-magnetic material.
    Type: Application
    Filed: June 7, 2019
    Publication date: May 13, 2021
    Inventors: Koji Matsumoto, Yuji Fujikawa, Shinichiro Yanaka, Osamu Saito
  • Publication number: 20210106207
    Abstract: An endoscope system includes: an illumination portion that includes a light source and that is configured to radiate an illumination light beam having a spatially nonuniform intensity distribution onto an imaging subject; a first imager and a second imager disposed at positions that are different from each other and configured to respectively acquire a first illumination image and a second illumination image of the imaging subject being illuminated with the illumination light beam; and at least one processor configured to: create a first deep-layer image and a first surface-layer image from the first illumination image and create a second deep-layer image and a second surface-layer image from the second illumination image; and create a combined deep-layer image by combining the first deep-layer image and the second deep-layer image on the basis of pixel values of the first and second surface-layer images.
    Type: Application
    Filed: December 1, 2020
    Publication date: April 15, 2021
    Applicant: OLYMPUS CORPORATION
    Inventor: Koji MATSUMOTO
  • Patent number: 10972675
    Abstract: An endoscope system according to the present invention includes: an illumination unit that radiates illumination light onto a subject, the illumination light having a spatially non-uniform intensity distribution including a light section and a dark section in a beam cross section orthogonal to an optical axis; an imaging unit that images an illumination image of the subject irradiated with the illumination light; and a separation processor that generates two separate images from the illumination image. Among intensity values of pixels within the illumination image respectively corresponding to the light section, the dark section, and a section having intermediate intensity between the light section and the dark section, the separation processor generates the two separate images based on at least two of the intensity values.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 6, 2021
    Assignee: OLYMPUS CORPORATION
    Inventors: Sho Shinji, Koji Matsumoto, Tetsuhiro Oka, Kenji Urushibata, Hiroyuki Kubo
  • Patent number: 10968169
    Abstract: An object of the present invention is to find a novel pharmaceutical that has an excellent tryptophanase inhibitory effect, and suppresses worsening of renal function to preserve the kidney by reducing production of indoxyl sulfate in the blood. The present invention provides a pharmaceutical composition containing, as an active ingredient, a compound represented by the following formula, or a pharmacologically acceptable salt thereof: wherein R1 and R2 are the same or different, and represent a C1-C6 alkyl group or the like, and Ar represents an optionally substituted phenyl group or an optionally substituted thienyl group.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: April 6, 2021
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Soneda, Yuji Nakamura, Koji Matsumoto, Naomi Tanaka, Taichi Fukunaga
  • Patent number: 10925848
    Abstract: An object of the present invention is to find a novel pharmaceutical that has an excellent tryptophanase inhibitory effect, and suppresses worsening of renal function to preserve the kidney by reducing production of indoxyl sulfate in the blood. Provided is a pharmaceutical composition containing, as an active ingredient, a compound represented by formula (I) or a pharmacologically acceptable salt thereof. In the formula (I), R1 and R2 are the same or different, and represent a C1-C6 alkyl group, a halogeno C1-C6 alkyl group or a C3-C6 cycloalkyl group; n represents 0, 1 or 2; each X represents a C1-C6 alkyl group, a C3-C6 cycloalkyl group, a halogen atom or the like; and Y represents a hydrogen atom, a C1-C6 alkoxy group, a C3-C6 cycloalkoxy group or a halogeno C1-C6 alkoxy group.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: February 23, 2021
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Soneda, Hiroki Sakai, Koji Matsumoto, Naomi Tanaka, Taichi Fukunaga
  • Patent number: 10863104
    Abstract: An endoscope system of the present invention includes: a first illumination unit that emits first illumination light for imaging two sets of image information about a subject at different depths; a second illumination unit that emits second illumination light having a wide band covering a visible band from a position different from the position of the first illumination light; an imaging unit that images a first illumination image and a second illumination image of the subject that is illuminated with the first illumination light and the second illumination light; a separation processing unit that separates the two sets of image information from the first illumination image; and a separated-image generating unit that generates two separated images by processing the second illumination image using the two sets of image information.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: December 8, 2020
    Assignee: OLYMPUS CORPORATION
    Inventors: Koji Matsumoto, Sho Shinji, Kenji Urushibata, Hiroyuki Kubo, Tetsuhiro Oka
  • Patent number: 10782125
    Abstract: An interference fringe generating optical system generates an interference fringe, and a magnifying optical system magnifies the interference fringe and projects the interference fringe on an object surface. The magnifying optical system includes an incident-side lens group on the side where a light beam forming the interference fringe is incident and an exit-side lens group on the side where the light beam is emitted and the interference fringe is projected towards the object surface. The expression f1/f2>3 holds, where f1 is the focal length of the incident-side lens group, and f2 is the focal length of the exit-side lens group. The incident-side and exit-side lens groups each have a positive refractive power. The expression xd/(f1+f2)<2 is satisfied, where xd is the distance from the exit-side principal point of the incident-side lens group to the incident-side principal point of the exit-side lens group.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: September 22, 2020
    Assignee: OLYMPUS CORPORATION
    Inventor: Koji Matsumoto
  • Patent number: 10777704
    Abstract: A manufacturing method for a group III nitride semiconductor substrate is provided with a first step of forming a second group III nitride semiconductor layer on a substrate; a second step of forming a protective layer on the second group III nitride semiconductor layer; a third step of selectively forming pits on dislocation portions of the second group III nitride semiconductor layer by gas-phase etching applied to the protective layer and the second group III nitride semiconductor layer; and a fourth step of forming a third group III nitride semiconductor layer on the second group III nitride semiconductor layer and/or the remaining protective layer so as to allow the pits to remain.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: September 15, 2020
    Assignee: SUMCO CORPORATION
    Inventors: Koji Matsumoto, Toshiaki Ono, Hiroshi Amano, Yoshio Honda
  • Patent number: 10689408
    Abstract: It is intended to provide a novel bisphosphonic acid compound or a salt thereof which shows a remarkable inhibitory effect on ectopic calcification, and a pharmaceutical composition comprising the same. The present invention provides a bisphosphonic acid compound represented by the following formula (1) or a pharmaceutically acceptable salt thereof: wherein represents a single bond or a double bond; A represents a saturated cyclic hydrocarbon or a saturated heterocyclic ring comprising a sulfur atom or an oxygen atom; and R1 and R2 each independently represent an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryloxy group, a haloalkoxy group, a haloalkyl group, a halogen atom or a hydrogen atom.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: June 23, 2020
    Assignee: FUJIYAKUHIN CO., LTD.
    Inventors: Seiichi Kobashi, Yoshinobu Aoyagi, Hiroshige Kato, Ryuko Tokuyama, Naoki Ashizawa, Koichi Ishida, Koji Matsumoto
  • Patent number: 10682043
    Abstract: A measurement probe is configured to be detachably connected to a bio-optical measurement apparatus and includes: an illuminating fiber configured to irradiate body tissues with illumination light; light receiving fibers configured to receive return light of the illumination light reflected and/or scattered from the body tissues; an optical element configured to transmit the illumination light and the return light and to keep distances between the body tissues and distal ends of the illuminating fiber and the light receiving fibers, constant; and a contact detecting fiber configured to receive the return light to detect contact between a distal end face of the optical element and the body tissues, and detect the return light at a detection region on the distal end face through which the illumination light and the return light pass. The detection region is located outside an illumination region of the illuminating fiber.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: June 16, 2020
    Assignee: OLYMPUS CORPORATION
    Inventor: Koji Matsumoto
  • Publication number: 20200149593
    Abstract: A constant-velocity universal joint including a generally cup-shaped outer joint member and an inner joint member that cooperate with each other to define first and second groove portions. A pinch angle by which a ball is pinched in the first groove portion is open toward an opening end of the outer joint member. A pinch angle by which the ball is pinched in the second groove is open toward a bottom wall of the outer joint member. An absolute value of the pinch angle in the first groove portion is larger than an absolute value of the pinch angle in the second groove portion in a reference state in which centerlines of the outer joint member and the inner joint member lie in a straight line.
    Type: Application
    Filed: November 12, 2019
    Publication date: May 14, 2020
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, JTEKT Corporation
    Inventors: Yoshitaka SHINODA, Koji MATSUMOTO, Masahito IKEO, Kimio HIBI, Yoshinari SAKAI
  • Publication number: 20200100660
    Abstract: An endoscope system according to the present invention includes: a second illumination unit that emits second illumination light; a first illumination unit that emits, simultaneously with the second illumination light, first illumination light that is light of a different wavelength band from the second illumination light and is for imaging two sets of image information about a subject different depths; an imaging unit that simultaneously images a first illumination image of the subject illuminated with the first illumination light and a second illumination image of the subject illuminated with the second illumination light; a separation processing unit that separates the two sets of image information from the first illumination image; and a separated-image creating unit that processes the second illumination image using the two sets of image information to create separated images.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 2, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Koji MATSUMOTO, Tetsuhiro OKA, Sho SHINJI
  • Publication number: 20200099844
    Abstract: An endoscope system according to the present invention includes: an illumination unit that radiates illumination light onto a subject, the illumination light having a spatially non-uniform intensity distribution including a light section and a dark section in a beam cross section orthogonal to an optical axis; an imaging unit that images an illumination image of the subject irradiated with the illumination light; and a separation processor that generates two separate images from the illumination image. Among intensity values of pixels within the illumination image respectively corresponding to the light section, the dark section, and a section having intermediate intensity between the light section and the dark section, the separation processor generates the two separate images based on at least two of the intensity values.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 26, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Sho SHINJI, Koji MATSUMOTO, Tetsuhiro OKA, Kenji URUSHIBATA, Hiroyuki KUBO
  • Publication number: 20200099845
    Abstract: An endoscope system of the present invention includes: a first illumination unit that emits first illumination light for imaging two sets of image information about a subject at different depths; a second illumination unit that emits second illumination light having a wide band covering a visible band from a position different from the position of the first illumination light; an imaging unit that images a first illumination image and a second illumination image of the subject that is illuminated with the first illumination light and the second illumination light; a separation processing unit that separates the two sets of image information from the first illumination image; and a separated-image generating unit that generates two separated images by processing the second illumination image using the two sets of image information.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 26, 2020
    Applicant: OLYMPUS CORPORATION
    Inventors: Koji MATSUMOTO, Sho SHINJI, Kenji URUSHIBATA, Hiroyuki KUBO, Tetsuhiro OKA
  • Publication number: 20200017439
    Abstract: An object of the present invention is to find a novel pharmaceutical that has an excellent tryptophanase inhibitory effect, and suppresses worsening of renal function to preserve the kidney by reducing production of indoxyl sulfate in the blood. The present invention provides a pharmaceutical composition containing, as an active ingredient, a compound represented by the following formula, or a pharmacologically acceptable salt thereof: wherein R1 and R2 are the same or different, and represent a C1-C6 alkyl group or the like, and Ar represents an optionally substituted phenyl group or an optionally substituted thienyl group.
    Type: Application
    Filed: October 5, 2017
    Publication date: January 16, 2020
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Soneda, Yuji Nakamura, Koji Matsumoto, Naomi Tanaka, Taichi Fukunaga
  • Publication number: 20190365688
    Abstract: An object of the present invention is to find a novel pharmaceutical that has an excellent tryptophanase inhibitory effect, and suppresses worsening of renal function to preserve the kidney by reducing production of indoxyl sulfate in the blood. Provided is a pharmaceutical composition containing, as an active ingredient, a compound represented by formula (I) or a pharmacologically acceptable salt thereof. In the formula (I), R1 and R2 are the same or different, and represent a C1-C6 alkyl group, a halogeno C1-C6 alkyl group or a C3-C6 cycloalkyl group; n represents 0, 1 or 2; each X represents a C1-C6 alkyl group, a C3-C6 cycloalkyl group, a halogen atom or the like; and Y represents a hydrogen atom, a C1-C6 alkoxy group, a C3-C6 cycloalkoxy group or a halogeno C1-C6 alkoxy group.
    Type: Application
    Filed: February 20, 2018
    Publication date: December 5, 2019
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Soneda, Hiroki Sakai, Koji Matsumoto, Naomi Tanaka, Taichi Fukunaga
  • Publication number: 20190355486
    Abstract: Provided is a control rod motion monitoring method and a control rod motion monitoring system, in which a control rod insertion in an entire core is monitored at all time during operation of a reactor and, when an abnormality occurs, a signal is issued to a countermeasure device that automatically starts operation and an alarm is issued to prompt operation of an operator. An LPRM detector in an LPRM assembly of the entire core is divided into four channels for each height; indicated values are averaged at all time; the average indicated value is compared with a set point; and a signal is issued to a countermeasure device when an abnormality occurs.
    Type: Application
    Filed: January 12, 2017
    Publication date: November 21, 2019
    Inventors: Satoshi TAKEO, Akira KONOMA, Akiyuki TSUCHIYA, Koji MATSUMOTO, Takao KONDO, Yuji HONMA
  • Patent number: 10451450
    Abstract: An external device is configured to be detachably attached to a measuring instrument via a connector. The external device includes a connector part, an external device body part and a movable connection part. The connector part has a connection terminal. The external device body part has a display part on a side surface of the external device body part. The movable connection part is configured to connect the connector part with the external device body part. The movable connection part is a biaxial rotation hinge having two pivot axes which are in a twisted position relationship with respect to each other.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: October 22, 2019
    Assignee: MITUTOYO CORPORATION
    Inventors: Atsuya Niwano, Shuji Hayashida, Nobuyuki Hayashi, Yuji Fujikawa, Koji Matsumoto
  • Publication number: 20190214157
    Abstract: A control rod operation generates a rod insertion block signal during operation of a reactor. Four neutron detector assemblies including a plurality of LPRMs arranged in an axial direction of a core are arranged adjacent to a plurality of insertion selection control rods, respectively, which are simultaneously inserted into the core. Neutron flux ratio calculation units are arranged in each of the neutron detector assemblies, and ratios (neutron flux ratios BA/AA, CA/AA, and DA/AA) of an average LPRM signal of the respective LPRMs at positions B, C, and D to an average LPRM signal of the respective LPRMs at a position A which is closest to the control rod insertion end of the core are calculated. When the largest neutron flux ratio out of the neutron flux ratios exceeds a set neutron flux ratio, a rod insertion block signal which is generated by a local range rod insertion monitor is output.
    Type: Application
    Filed: November 25, 2016
    Publication date: July 11, 2019
    Inventors: Koji MATSUMOTO, Kazuya ISHII, Takao KONDOU, Akira KONOMA, Akiyuki TSUCHIYA