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).
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Publication number: 20240150861Abstract: A cold-workable mechanical structural steel may include: C: 0.30 to 0.45 mass %; Si: 0.10 to 0.40 mass %; Mn: 0.50 to 1.00 mass %; P: 0.050 mass % or less; S: 0.050 mass % or less; Cr: 0.80 to 1.30 mass %; Al: 0.01 to 0.10 mass %; and a balance of iron and inevitable impurity, the steel having an area percentage of pro-eutectoid ferrite of 10% or larger and 70% or smaller; containing at least one selected from the group consisting of bainite, martensite, and pearlite; and having a dislocation density of 3.5×1014 m?2 or larger.Type: ApplicationFiled: February 2, 2022Publication date: May 9, 2024Applicant: Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)Inventors: Koji YAMASHITA, Yuta INOUE, Masayuki SAKATA, Takuya KOCHI, Yosuke MATSUMOTO, Tatsunori UCHIDA
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Publication number: 20240146011Abstract: A gas laser device includes a chamber device including electrodes at an inside thereof to be filled with laser gas and configured to output, through a window to an outside thereof, light generated from the laser gas when a voltage is applied to the electrodes; a mirror arranged at the outside of the chamber device and configured to reflect at least a part of the light output through the window; a holding portion holding the mirror; a support member configured to support the holding portion to be movable along a plane perpendicular to an optical axis of the light output through the window; a moving mechanism configured to move the holding portion with respect to the support member along the plane; and an angle maintaining mechanism configured to maintain an inclination angle of the holding portion with respect to the support member at a predetermined angle.Type: ApplicationFiled: January 10, 2024Publication date: May 2, 2024Applicant: Gigaphoton Inc.Inventors: Koji ASHIKAWA, Shinichi MATSUMOTO
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Publication number: 20240128808Abstract: A stator for a rotating electric machine includes a stator core and a stator coil. The stator core is formed of a band-shaped steel sheet that is helically bent and laminated. The stator core has slots each opening at an inner periphery of the stator core and spaced from one another in a circumferential direction. The stator coil is formed of electrical conductor segments that are inserted in the slots of the stator core and connected with one another. The band-shaped steel sheet has slits each of which is formed, at a position corresponding to one of the slots, to be open to the corresponding slot. Each of the electrical conductor segments is substantially U-shaped and has a pair of leg portions respectively inserted in corresponding two of the slots of the stator core; the corresponding two slots are circumferentially apart from each other by two or more slot-pitches.Type: ApplicationFiled: October 11, 2023Publication date: April 18, 2024Applicants: DENSO CORPORATION, DENSO PRESSTECH CO., LTD.Inventors: Keiji KONDO, Yuichi KUDOSE, Hirotaka KUROZAKI, Masaki OHIRA, Ryosuke MATSUMOTO, Shinji TAKESHITA, Takashi KURAMITSU, Tomohiro HASHIMOTO, Koji YOSHIDA, Katsuhiko GOTO
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Patent number: 11959161Abstract: A copper-based alloy material including a multiphase structure containing a matrix of a ? phase and a precipitation phase of a B2-type crystal structure dispersed in the matrix, where the copper-based alloy material includes a composition containing 8.6 to 12.6% by mass of Al, 2.9 to 8.9% by mass of Mn, 3.2 to 10.0% by mass of Ni, and Cu.Type: GrantFiled: August 30, 2019Date of Patent: April 16, 2024Assignees: FURUKAWA TECHNO MATERIAL CO., LTD., TOHOKU UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.Inventors: Sumio Kise, Fumiyoshi Yamashita, Misato Fujii, Koji Ishikawa, Ryosuke Kainuma, Toshihiro Omori, Nobuyasu Matsumoto
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Patent number: 11945369Abstract: A display device installed in a vehicle includes a display, a reflectance control device, and a control circuit. The reflectance control device is capable of changing a reflectance for incident light. The control circuit controls the reflectance of the reflectance control device. The reflectance control device includes a first part and a second part. The first part is positioned in a first region overlapping the display surface when viewed in a normal direction being normal to the display surface. The second part is positioned in a second region surrounding the first region when viewed in the normal direction of the display surface. The control circuit controls a reflectance of the second part based on at least one of speed information indicating a speed of the vehicle and reverse information indicating whether the vehicle is reversing.Type: GrantFiled: March 18, 2021Date of Patent: April 2, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasunobu Inaba, Yuji Matsumoto, Koji Marumo
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Publication number: 20240071756Abstract: A method for manufacturing a group III nitride semiconductor substrate, that includes: growing a first AlN buffer layer on an Si substrate at a first growth temperature; growing a second AlN buffer layer on the first AlN buffer layer at a second growth temperature higher than the first growth temperature; and growing a group III nitride semiconductor layer on the second AlN buffer layer, wherein an Al raw material and an N raw material are alternately repeatedly fed in the growing the first AlN buffer layer.Type: ApplicationFiled: October 25, 2023Publication date: February 29, 2024Applicant: SUMCO CORPORATIONInventors: Koji MATSUMOTO, Toshiaki ONO, Hiroshi AMANO, Yoshio HONDA
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Publication number: 20240052484Abstract: Supply system include a first vessel containing the precursor, a second vessel, a first gas conduit fluidically connecting the first vessel to the second vessel, wherein a pressure reduction device and a flow control device are fluidically mounted therein, a second gas conduit fluidically connecting the second vessel to a point of use, and a pressure gauge downstream the pressure reduction device for measuring a partial pressure of the precursor in the second vessel, wherein the partial pressure of the precursor in the second vessel is at a pressure lower than the saturated vapor pressure of the precursor at the temperature of the second vessel and higher than an inlet pressure requirement of the flow control device at the point of use. Methods for using the supply system are also disclosed.Type: ApplicationFiled: October 2, 2020Publication date: February 15, 2024Inventors: Toshiyuki NAKAGAWA, Shingo OKUBO, Kazuma SUZUKI, Ikuo SUZUKI, Koji ISHIDA, Takashi KAMEOKA, Kazutaka YANAGITA, Mikio GOTO, Koji MATSUMOTO, Fumikazu NOZAWA, Terumasa KOURA, Kohei TARUTANI
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Patent number: 11871906Abstract: 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: GrantFiled: December 1, 2020Date of Patent: January 16, 2024Assignee: OLYMPUS CORPORATIONInventor: Koji Matsumoto
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Patent number: 11821724Abstract: 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 a 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: GrantFiled: June 7, 2019Date of Patent: November 21, 2023Assignee: MITUTOYO CORPORATIONInventors: Koji Matsumoto, Yuji Fujikawa, Shinichiro Yanaka, Osamu Saito
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Publication number: 20230218171Abstract: An optical probe 40 used for the vascular optical tomographic imaging apparatus 100 includes an optical fiber 10 having a central axis 14 and a translucent lens member 20 fixed to a tip surface 12 of the optical fiber. The lens member has an outer circumferential surface surrounding an extension axis 22 obtained by extending the central axis 14 of the optical fiber forward, a rear end surface 26 intersecting the extension axis, and a tip surface 28 intersecting the extension axis. The tip surface of the lens member is a surface extending obliquely with respect to the extension axis. The outer circumferential surface of the lens member has, at least in part, a cylindrical surface portion 24 around the extension axis or a cylindrical surface portion about an axis parallel to the extension axis.Type: ApplicationFiled: March 8, 2023Publication date: July 13, 2023Applicant: DELAWAVE, INC.Inventors: Hiroki WATANABE, Koji MATSUMOTO, Shotaro SANO, Hidenori SUZUKI, Kenji TAIRA
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Patent number: 11602641Abstract: A light treatment system includes: a probe configured to be inserted into a bladder, the probe including an optical fiber configured to propagate light, and a light emitter that is provided at a distal end of the optical fiber, the light emitter being configured to emit the light; and a balloon catheter into which the probe is inserted, the balloon catheter being configured to be inserted into the bladder, the balloon catheter including a distal end portion that is to be dilated in the bladder, a wall configured to divide inside of the distal end portion into two regions, and a reflector configured to reflect the light emitted by the light emitter, the reflector being provided on a surface of the wall, the surface facing a region of the two regions, the region being where the light emitter is positioned.Type: GrantFiled: March 1, 2021Date of Patent: March 14, 2023Assignee: OLYMPUS CORPORATIONInventors: Toshiaki Suzuki, Takeshi Yamazaki, Koji Matsumoto
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Patent number: 11534621Abstract: A light treatment system includes: a probe configured to be inserted into a body cavity, the probe including an optical fiber configured to propagate light, and a light emitter that is provided at a distal end of the optical fiber, the emitter being configured to emit the light; a balloon catheter into which the probe is inserted, the balloon catheter including a distal end portion that is to be inserted into the body cavity and that is to be dilated by being supplied with a liquid including air bubbles; and an air bubble generator configured to generate the air bubbles to be included in the liquid and change a property of the air bubbles.Type: GrantFiled: February 26, 2021Date of Patent: December 27, 2022Assignee: OLYMPUS CORPORATIONInventors: Koji Matsumoto, Mitsuru Namiki
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Patent number: 11421743Abstract: 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: GrantFiled: November 12, 2019Date of Patent: August 23, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, JTEKT CorporationInventors: Yoshitaka Shinoda, Koji Matsumoto, Masahito Ikeo, Kimio Hibi, Yoshinari Sakai
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Patent number: 11393600Abstract: 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: GrantFiled: January 12, 2017Date of Patent: July 19, 2022Assignee: HITACHI-GE NUCLEAR ENERGY, LTD.Inventors: Satoshi Takeo, Akira Konoma, Akiyuki Tsuchiya, Koji Matsumoto, Takao Kondo, Yuji Honma
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Publication number: 20220144765Abstract: 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: ApplicationFiled: January 26, 2022Publication date: May 12, 2022Applicant: Daiichi Sankyo Company, LimitedInventors: Tsuyoshi Soneda, Yuji Nakamura, Koji Matsumoto, Naomi Tanaka, Taichi Fukunaga
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Publication number: 20220111982Abstract: A metal coil compression device includes: a lifting device configured to generate a vertically downward pressing force; a cylindrical outer pressure barrel that is supported by the lifting device; a cylindrical inner pressure barrel that is located inside a peripheral wall of the outer pressure barrel; and a connecting mechanism that connects the inner and outer pressure barrels so that the inner and outer pressure barrels are vertically engaged and are supported relatively rotatably in a circumferential direction. The outer pressure barrel has an outer recess being recessed vertically upward from a bottom end. The inner pressure barrel has an inner recess in a peripheral wall of the inner pressure barrel, the inner recess being recessed vertically upward from a bottom end, and a coil pressing surface that makes contact with a top of the metal coil to transmit the vertically downward pressing force to the metal coil.Type: ApplicationFiled: January 21, 2020Publication date: April 14, 2022Inventors: Hideaki KODAIRA, Koji MATSUMOTO
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Patent number: 11114210Abstract: 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: GrantFiled: November 25, 2016Date of Patent: September 7, 2021Assignee: HITACHI-GE NUCLEAR ENERGY, LTD.Inventors: Koji Matsumoto, Kazuya Ishii, Takao Kondou, Akira Konoma, Akiyuki Tsuchiya
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Publication number: 20210236842Abstract: A light radiating unit provided at a distal end portion of an optical fiber includes a first light radiating unit having a predetermined length in a longitudinal direction and capable of radiating therapeutic light having first intensity and a second light radiating unit connected consecutively to the first light radiating unit in the longitudinal direction and configured to radiate therapeutic light having second intensity lower than the first intensity. Consequently, even when a bladder, which is a hollow organ, and a urethra, which is a conduit, are irradiated with the therapeutic light at a time, intensity of the therapeutic light with which surfaces (inner wall surfaces) of respective parts are irradiated is equalized.Type: ApplicationFiled: April 20, 2021Publication date: August 5, 2021Applicant: OLYMPUS CORPORATIONInventors: Koji MATSUMOTO, Toshiaki SUZUKI, Takeshi YAMAZAKI, Masahiro YOSHINO
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Patent number: 11070739Abstract: 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: GrantFiled: November 22, 2019Date of Patent: July 20, 2021Assignee: OLYMPUS CORPORATIONInventors: Koji Matsumoto, Sho Shinji, Kenji Urushibata, Hiroyuki Kubo, Tetsuhiro Oka
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Publication number: 20210210340Abstract: A manufacturing method allows growth of a group III nitride semiconductor layer on a Si substrate with an AlN buffer layer interposed between same, so as to suppress group III material from diffusing into the Si substrate. The group III nitride semiconductor substrate manufacturing method includes: a step of forming an AlN coating on the inside of a furnace; steps of installing an Si substrate in the furnace covered with the AlN coating and forming an AlN buffer layer on the Si substrate; and a step of forming a group III nitride semiconductor layer on the AN buffer layer.Type: ApplicationFiled: March 5, 2019Publication date: July 8, 2021Applicant: SUMCO CORPORATIONInventors: Koji MATSUMOTO, Toshiaki ONO, Hiroshi AMANO, Yoshio HONDA