Patents by Inventor Tomohiro Ishida
Tomohiro Ishida 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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Patent number: 11959392Abstract: A rotor blade is a rotor blade to be attached to a rotor shaft rotatable about an axis, and includes a blade body extending in a radial direction with respect to the axis and having a blade-shaped cross-section orthogonal to the radial direction; a fillet portion provided on a radial outer side of the blade body and having a hollow portion formed therein; a shroud provided on a radial outer side of the fillet portion and extending in a circumferential direction; and a seal fin projecting from the shroud to an outer circumferential side and extending in a direction intersecting the blade body when viewed from the radial direction. A wall thickness on a suction side of the fillet portion is greater than a wall thickness on a pressure side of the fillet portion on a leading edge side of the blade body as demarcated by an intersection portion between the blade body and the seal fin serving as a boundary.Type: GrantFiled: September 14, 2021Date of Patent: April 16, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tomohiro Ishida, Toshifumi Kanno, Hikaru Kurosaki
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Patent number: 11943547Abstract: An image capturing unit captures an image including an embedded image that is printed on the basis of image data in which at least a color component has been modulated according to additional information. An adjustment unit adjusts a white balance of the image captured by the image capturing unit on the basis of an adjustment value associated with the embedded image. A processing unit processes image data of the image captured by the image capturing unit whose white balance has been adjusted by the adjustment unit to read the additional information in the image captured by the image capturing unit.Type: GrantFiled: November 8, 2022Date of Patent: March 26, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Hiroyuki Sakai, Mitsuru Uratani, Yuki Ishida, Yuki Omagari, Tomohiro Suzuki
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Patent number: 11901565Abstract: A fuel cell electrode catalyst includes: catalyst metal particles containing at least one of platinum or a platinum alloy; and support particles supporting the catalyst metal particles. The crystallite size 2r obtained from an X-ray diffraction image of the catalyst metal particles is 3.8 nm or less, where r represents a crystallite radius of the catalyst metal particles obtained from the X-ray diffraction image. The amount of CO adsorption Y (mL/g-Pt) on the fuel cell electrode catalyst satisfies Y?40.386/r+1.7586.Type: GrantFiled: March 9, 2022Date of Patent: February 13, 2024Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATIONInventors: Toshihiro Ikai, Tomohiro Ishida, Godai Kitayama, Yousuke Horiuchi
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Patent number: 11715833Abstract: A fuel cell electrode catalyst includes catalyst metal particles and electrically conductive support particles supporting the catalyst metal particles. In the fuel cell electrode catalyst, a proportion of a surface area occupied by the catalyst metal particles with particle sizes of 4.5 nm or less to a surface area of the catalyst metal particles calculated from a transmission electron microscope image is 5% or less.Type: GrantFiled: March 8, 2022Date of Patent: August 1, 2023Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATIONInventors: Toshihiro Ikai, Tomohiro Ishida, Godai Kitayama, Yousuke Horiuchi
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Patent number: 11646862Abstract: A transmitter 10B always transmits a signal (data in which a dock is embedded) generated by the serializer 11 to the communication link. The receiver 20B includes a recovery circuit 22, a deserializer 23, a selector 25, and a training signal generator 32. The training signal generator 32 generates and outputs a training signal for frequency synchronization of the recovering operation of the recovery circuit 22. The selector 25 receives the signal from the transmitter 10B via the communication link and receives the training signal output from the training signal generator 32. The selector 25 selects and outputs either the received signal or the training signal according to the level of the lock signal output from the recovery circuit 22.Type: GrantFiled: October 16, 2019Date of Patent: May 9, 2023Assignee: THINE ELECTRONICS, INC.Inventors: Ryota Fujisawa, Tomohisa Higuchi, Tomohiro Ishida
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Patent number: 11560950Abstract: A sealing mechanism including a first seal member, a second seal member arranged so as to face the first seal member, and a deformed nucleus member arranged in a space formed at least partially between the first seal member and the second seal member, and becoming a nucleus of deformation in the sealing mechanism. The deformed nucleus member is configured by a combination of rod-like members and plate-like members respectively formed from a plurality of materials having different linear expansion coefficients, and is fixed to each of the first seal member and the seal member. The deformed nucleus member contracts in at least one direction on a cross-section of the seal groove, along with an increase in temperature of the deformed nucleus member. The first seal member and the second seal member respectively have abutment surfaces abutting on an inner surface of the seal groove or the facing surfaces.Type: GrantFiled: September 6, 2019Date of Patent: January 24, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tomohiro Ishida, Hikaru Kurosaki, Hiroyuki Sakamoto, Hiroshi Katsuura
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Publication number: 20220293967Abstract: A fuel cell electrode catalyst includes catalyst metal particles and electrically conductive support particles supporting the catalyst metal particles. In the fuel cell electrode catalyst, a proportion of a surface area occupied by the catalyst metal particles with particle sizes of 4.5 nm or less to a surface area of the catalyst metal particles calculated from a transmission electron microscope image is 5% or less.Type: ApplicationFiled: March 8, 2022Publication date: September 15, 2022Inventors: Toshihiro IKAI, Tomohiro ISHIDA, Godai KITAYAMA, Yousuke HORIUCHI
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Publication number: 20220293966Abstract: A fuel cell electrode catalyst includes: catalyst metal particles containing at least one of platinum or a platinum alloy; and support particles supporting the catalyst metal particles. The crystallite size 2r obtained from an X-ray diffraction image of the catalyst metal particles is 3.8 nm or less, where r represents a crystallite radius of the catalyst metal particles obtained from the X-ray diffraction image. The amount of CO adsorption Y (mL/g?Pt) on the fuel cell electrode catalyst satisfies Y?40.386/r+1.7586.Type: ApplicationFiled: March 9, 2022Publication date: September 15, 2022Inventors: Toshihiro IKAI, Tomohiro ISHIDA, Godai KITAYAMA, Yousuke HORIUCHI
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Publication number: 20220243817Abstract: A sealing mechanism including a first seal member, a second seal member arranged so as to face the first seal member, and a deformed nucleus member arranged in a space formed at least partially between the first seal member and the second seal member, and becoming a nucleus of deformation in the sealing mechanism. The deformed nucleus member is configured by a combination of rod-like members and plate-like members respectively formed from a plurality of materials having different linear expansion coefficients, and is fixed to each of the first seal member and the seal member. The deformed nucleus member contracts in at least one direction on a cross-section of the seal groove, along with an increase in temperature of the deformed nucleus member. The first seal member and the second seal member respectively have abutment surfaces abutting on an inner surface of the seal groove or the facing surfaces.Type: ApplicationFiled: September 6, 2019Publication date: August 4, 2022Inventors: Tomohiro ISHIDA, Hikaru KUROSAKI, Hiroyuki SAKAMOTO, Hiroshi KATSUURA
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Patent number: 11313249Abstract: A rotor blade attached to a rotor shaft rotatable around an axis includes: a blade body extending in a radial direction with respect to the axis and having a blade-shaped cross section orthogonal to the radial direction; a shroud provided at an end of the blade body on a radial outer side, and a seal fin protruding from the shroud toward an outer circumferential side, and the seal fin includes: a seal fin body extending in a plate shape in a circumferential direction; and a reinforcing portion provided on at least one plate surface of the seal fin body to increase a thickness of the seal fin, the reinforcing portion gradually increasing in dimension in the radial direction toward the center in the circumferential direction.Type: GrantFiled: December 10, 2020Date of Patent: April 26, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tomohiro Ishida, Toshifumi Kanno, Hikaru Kurosaki
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Publication number: 20220106882Abstract: A rotor blade is a rotor blade to be attached to a rotor shaft rotatable about an axis, and includes a blade body extending in a radial direction with respect to the axis and having a blade-shaped cross-section orthogonal to the radial direction; a fillet portion provided on a radial outer side of the blade body and having a hollow portion formed therein; a shroud provided on a radial outer side of the fillet portion and extending in a circumferential direction; and a seal fin projecting from the shroud to an outer circumferential side and extending in a direction intersecting the blade body when viewed from the radial direction. A wall thickness on a suction side of the fillet portion is greater than a wall thickness on a pressure side of the fillet portion on a leading edge side of the blade body as demarcated by an intersection portion between the blade body and the seal fin serving as a boundary.Type: ApplicationFiled: September 14, 2021Publication date: April 7, 2022Inventors: Tomohiro ISHIDA, Toshifumi KANNO, Hikaru KUROSAKI
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Publication number: 20210391974Abstract: A transmitter 10B always transmits a signal (data in which a dock is embedded) generated by the serializer 11 to the communication link. The receiver 20B includes a recovery circuit 22, a deserializer 23, a selector 25, and a training signal generator 32. The training signal generator 32 generates and outputs a training signal for frequency synchronization of the recovering operation of the recovery circuit 22. The selector 25 receives the signal from the transmitter 10B via the communication link and receives the training signal output from the training signal generator 32. The selector 25 selects and outputs either the received signal or the training signal according to the level of the lock signal output from the recovery circuit 22.Type: ApplicationFiled: October 16, 2019Publication date: December 16, 2021Applicant: THINE ELECTRONICS, INC.Inventors: Ryota FUJISAWA, Tomohisa HIGUCHI, Tomohiro ISHIDA
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Publication number: 20210379883Abstract: A method for producing a negative or near-zero thermal expansion member using a first material and a second material having a smaller linear expansion coefficient than the first material, the method including: a preparation step (S1) for preparing a laminate in which a plurality of first plate materials comprising the first material and a plurality of second plate materials comprising the second material are alternately laminated; and an in-plane processing step (S2) for performing perforation processing on the second plate materials from a plurality of directions in an in-plane direction including a plane orthogonal to a lamination direction of the first plate materials and the second plate materials.Type: ApplicationFiled: August 25, 2021Publication date: December 9, 2021Inventors: Hiroyuki SAKAMOTO, Hikaru KUROSAKI, Tomohiro ISHIDA
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Patent number: 11125086Abstract: A rotor blade includes a blade body which has an airfoil shape and a shroud 57 which is formed in an end portion of the blade body. The shroud includes a shroud cover and a seal fin which protrudes from the shroud cover toward a radial outside and extends in a direction having a direction component in a circumferential direction. A front end of the seal fin extends in the circumferential direction and a base end of the seal fin extends in a direction having a direction component in the circumferential direction. A part of the seal fin in the circumferential direction forms a shift portion. An axial center position of a base end of the shift portion is different from an axial center position of a front end of the shift portion in the axial direction.Type: GrantFiled: February 11, 2020Date of Patent: September 21, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Tomohiro Ishida, Toshifumi Kanno, Hikaru Kurosaki, Eisaku Ito
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Patent number: 11111817Abstract: In a rotary machine that includes rotating body including a rotating-body main body and a pair of rotor shaft ends fixed to the both outer sides in the shaft direction of the rotating-body main body; a casing accommodating the rotating-body main body and being penetrated by the rotor shaft ends; a bearing rotatably supporting the rotor shaft ends and having a bearing face being provided with lubricant fluid from a lubricant line; and the support part supporting the casing, the support part is cooled through heat exchanging between the lubricant fluid the support part.Type: GrantFiled: November 15, 2016Date of Patent: September 7, 2021Assignee: MITSUBISHI POWER, LTD.Inventors: Tomohiro Ishida, Tomoyuki Onishi, Makoto Kondo, Takumi Matsumura, Katsuhisa Hamada
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Publication number: 20210215067Abstract: A rotor blade attached to a rotor shaft rotatable around an axis includes: a blade body extending in a radial direction with respect to the axis and having a blade-shaped cross section orthogonal to the radial direction; a shroud provided at an end of the blade body on a radial outer side, and a seal fin protruding from the shroud toward an outer circumferential side, and the seal fin includes: a seal fin body extending in a plate shape in a circumferential direction; and a reinforcing portion provided on at least one plate surface of the seal fin body to increase a thickness of the seal fin, the reinforcing portion gradually increasing in dimension in the radial direction toward the center in the circumferential direction.Type: ApplicationFiled: December 10, 2020Publication date: July 15, 2021Inventors: Tomohiro ISHIDA, Toshifumi KANNO, Hikaru KUROSAKI
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Publication number: 20210102467Abstract: A rotor blade includes a blade body which has an airfoil shape and a shroud 57 which is formed in an end portion of the blade body. The shroud includes a shroud cover and a seal fin which protrudes from the shroud cover toward a radial outside and extends in a direction having a direction component in a circumferential direction. A front end of the seal fin extends in the circumferential direction and a base end of the seal fin extends in a direction having a direction component in the circumferential direction. A part of the seal fin in the circumferential direction forms a shift portion. An axial center position of a base end of the shift portion is different from an axial center position of a front end of the shift portion in the axial direction.Type: ApplicationFiled: February 11, 2020Publication date: April 8, 2021Inventors: Tomohiro ISHIDA, Toshifumi KANNO, Hikaru KUROSAKI, Eisaku ITO
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Patent number: 10942793Abstract: An information processing system includes: a plurality of information processing devices each including a processor; and a relay device that connects the information processing devices via an expansion bus and relays communication between the information processing devices. The relay device includes a control unit that represents, for one of the information processing devices, the rest of the information processing devices, and communicates with the one of the information processing devices as an integrated information processing device of the relay device and the rest of the information processing devices.Type: GrantFiled: December 26, 2019Date of Patent: March 9, 2021Assignee: FUJITSU CLIENT COMPUTING LIMITEDInventors: Masatoshi Kimura, Tomohiro Ishida
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Publication number: 20210064108Abstract: An information processing system includes a first information processing device, second information processing devices, and a relay device. The second information processing devices each include a second connector connected to the relay device, and a first restarter that restarts the second information processing devices. The relay device communicably connects the first and second information processing devices and includes a power supply control unit for power supply to the first and second information processing devices during restart of the relay device, and a second restarter that restarts the relay device in response to detection of a communication failure. The first information processing device includes a hot pluggable, first connector connected to the relay device, a first detector that detects restart of the relay device, and an initializer that initializes settings relating to communications via the relay device in response to detection of the relay device by the first detector.Type: ApplicationFiled: July 27, 2020Publication date: March 4, 2021Applicant: FUJITSU CLIENT COMPUTING LIMITEDInventors: Masatoshi Kimura, Tomohiro Ishida, Yuki Kawama
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Patent number: 10938039Abstract: An electrode catalyst for a fuel cell including: a carbon support; and catalytic metal supported on the carbon support, the catalytic metal being selected from platinum or a platinum alloy, in which the carbon support has a crystallite size of (002) plane of carbon within a range of 5.0 nm or more and has a specific surface area within a range of 95 m2/g to 170 m2/g, and the catalytic metal has a crystallite size of (220) plane of platinum within a range of 4.5 nm or less.Type: GrantFiled: June 22, 2020Date of Patent: March 2, 2021Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATIONInventors: Tetsuo Nagami, Hiromitsu Tanaka, Mikihiro Kataoka, Tomohiro Ishida