Patents by Inventor Hiroshi Sakai
Hiroshi Sakai 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: 11208548Abstract: A thermoplastic resin composition containing 25 to 50 parts by mass of a rubber-containing graft copolymer (A) obtained by copolymerizing a monomer mixture containing an aromatic vinyl compound and a vinyl cyanide compound in the presence of a diene-based rubber-like polymer, and 50 to 75 parts by mass of a hard copolymer mixture (B) containing a hard copolymer (B-I) and a hard copolymer (B-II).Type: GrantFiled: March 3, 2017Date of Patent: December 28, 2021Assignee: TECHNO-UMG CO., LTD.Inventors: Shinji Yamashita, Hiroshi Sakai
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Patent number: 11193757Abstract: An image measurement apparatus, which functions as a non-contact profile-measuring device, includes: an image sensor as an image pick-up device; a variable focal length lens (liquid lens unit) disposed on an optical axis extending from a workpiece to the image sensor; and a controller (image-pickup lens controller and image measurement processor) configured to control the variable focal length lens and process a detected image by the image sensor. The image measurement apparatus, which also functions as a non-contact displacement-detecting device, includes: an image sensor; a variable focal length lens (liquid lens unit) disposed on an optical axis extending from the workpiece to the image sensor; and a controller (displacement-detection lens controller and profile measurement processor) configured to control the variable focal length lens and a detected image by the image sensor.Type: GrantFiled: December 17, 2019Date of Patent: December 7, 2021Assignee: MITUTOYO CORPORATIONInventors: Satoru Yoshida, Tatsuya Nagahama, Masafumi Yamanaka, Hitoshi Isobe, Naoto Oita, Koji Kubo, Yuko Shishido, Nobuo Ohba, Takahisa Ootake, Hiroki Matsui, Masanori Arai, Shiro Igasaki, Yuki Kurahashi, Hiroshi Sakai, Yutaka Watanabe
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Publication number: 20210358221Abstract: A vehicle component display device including: a memory; and a processor coupled to the memory, the processor being configured to: acquire a predetermined reference shape from a captured image of a vehicle that is captured by an imaging section; read three-dimensional data of component images corresponding to the reference shape, and display the component images at a display in a state in which the component images are superimposed on the vehicle, the display being visible to a user; display a component configuration diagram at the display together with the component images; and in a case in which a component is selected in the component configuration diagram, emphasize display of the component in the component images displayed at the display.Type: ApplicationFiled: May 6, 2021Publication date: November 18, 2021Inventors: Koichi Kayano, Hiroshi Sakai
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Patent number: 11142015Abstract: A recording material and a recording sheet having excellent color-developing performance and storage stability and particularly having excellent heat-resistance of background. The recording material contains a color former (A), a compound represented by formula (I) (B), and a compound represented by formula (II) (C).Type: GrantFiled: August 21, 2017Date of Patent: October 12, 2021Assignee: NIPPON SODA CO., LTD.Inventors: Shuntaro Kinoshita, Kayoko Nomura, Kazumi Hamakawa, Hiroshi Sakai
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Publication number: 20210278472Abstract: A diagnostic device for a secondary battery which is an all-solid-state battery containing a solid electrolyte transporting lithium ions, in which the diagnostic device includes: an interruption means configured to interrupt a charging current or a discharging current of the secondary battery connected to a circuit; a measuring means configured to measure over time a variation characteristic of a terminal voltage of the secondary battery after the current is interrupted by the interruption means; and a diagnostic means configured to diagnose the cause of the degradation of the secondary battery by comparing a change rate or a change amount in voltage between a charging characteristic specified from measured values of a terminal voltage of the secondary battery measured by the measuring means, a charging/discharging characteristic specified from the measured values of the terminal voltage measured by the measuring means, and a reference characteristic of the secondary battery.Type: ApplicationFiled: March 4, 2021Publication date: September 9, 2021Inventors: Hiroshi SAKAI, Pu QIAN
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Patent number: 11106652Abstract: According to an embodiment, an information management system includes a storing unit and an information transfer unit. The storing unit includes a production management database, an electronic document database, and a progress information database. The production management database stores a work schedule. The electronic document database stores a work report. The progress information database stores progress information of work. An access authority is set for each of the plurality of databases. The information transfer unit transfers, among the plurality of databases, information stored in each of the databases. The information transfer unit transfers the work schedule from the production management database to the progress information database and a work result included in the work report from the electronic document database to the progress information database.Type: GrantFiled: June 8, 2020Date of Patent: August 31, 2021Assignee: Kabushiki Kaisha ToshibaInventors: Hiroshi Sakai, Ryo Morinaga, Sei Musha, Otoharu Kuwamura
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Patent number: 11079183Abstract: A vapor chamber excellent in productivity, reduction of a number of components, and capable of preventing reduction in area of a cavity section while reducing a space of an outer periphery of the cavity section in which a working fluid is sealed is provided. An example vapor chamber has a container in which a cavity section is formed by stacked plate-shaped members, a working fluid that is sealed in the cavity section, and a wick structure accommodated in the cavity section.Type: GrantFiled: July 24, 2019Date of Patent: August 3, 2021Assignee: Furukawa Electric Co., Ltd.Inventors: Hirofumi Aoki, Yoshikatsu Inagaki, Hiroshi Sakai
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Patent number: 10986263Abstract: A calibration method of a variable-focal-length lens including a liquid lens unit whose focal-length is periodically varied in response to a periodic drive-signal includes: using a calibration tool having a plurality of height-different parts on a surface; preparing a calibration table by repeating outputting a drive-signal having a predetermined voltage to the variable-focal-length lens, detecting a surface image of the calibration tool using an image detector, detecting two points having maximum image contrast in the surface image, calculating a focal-depth from a difference in a focal-length between the two points; and recording the focal-depth and the voltage of the drive-signal in a corresponding combination, and retrieving a value of the voltage corresponding to a desired focal-depth from the calibration table to set the variable-focal-length lens at the desired focal-depth, and adjusting the voltage of the drive-signal outputted to the variable-focal-length lens based on the retrieved value.Type: GrantFiled: May 16, 2019Date of Patent: April 20, 2021Assignee: MITUTOYO CORPORATIONInventors: Hiroshi Sakai, Yutaka Watanabe
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Patent number: 10971744Abstract: Provided is a method for inspecting a current leak of a fuel cell, which is provided with an anode electrode, a cathode electrode, and an electrolyte membrane sandwiched between the anode electrode and the cathode electrode, the method including: a first process in which a first voltage, which is a limit voltage of the electrolyte membrane, is applied to the fuel cell; a second process in which a second voltage, which is lower than the first voltage, is applied to the fuel cell after the first process; a third process in which a third voltage, which is lower than the second voltage, is applied to the fuel cell after the second process; and a determination process in which a value of a current flowing through the fuel cell in the third process is detected, and whether the detected current value is lower than a prescribed current value is determined.Type: GrantFiled: February 28, 2019Date of Patent: April 6, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Masaaki Kishimoto, Hiroyuki Yamagishi, Hiroshi Sakai
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Patent number: 10915000Abstract: In a variable focal length lens control method, a plurality of candidate planes are defined at different focal lengths of a variable focal length lens, an image of a measurable object is detected by an image detector at each of the candidate planes, contrast in each of the detected images is calculated, any of the candidate planes is selected based on the contrast, and a focal length of the selected candidate plane is defined for a lens controller.Type: GrantFiled: March 4, 2019Date of Patent: February 9, 2021Assignee: MITUTOYO CORPORATIONInventor: Hiroshi Sakai
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Publication number: 20210018272Abstract: The present disclosure is related to providing a heat sink that can exhibit an excellent cooling property for even a heating element generating a high amount of heat and being mounted to a narrowed space. The heat sink includes a plurality of heat pipes to be thermally connected to a heating element, and a heat dissipation section thermally connected to the plurality of heat pipes, in which in the plurality of heat pipes, at least evaporation sections to be thermally connected to the heating element have flattened portions whose cross sectional shape in a direction orthogonal to a heat transfer direction of the plurality of heat pipes is flattened, and surfaces in the flattened portions in a thickness direction are arranged facing the heating element.Type: ApplicationFiled: September 30, 2020Publication date: January 21, 2021Applicant: Furukawa Electric Co., Ltd.Inventors: Yoshikatsu INAGAKI, Yasuhiro UCHIMURA, Shuta HIKICHI, Tatsuro MIURA, Hiroshi SAKAI
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Patent number: 10896775Abstract: A resistor has a structure including a resistor substrate that has paired electrodes and a resistive element formed on an insulating substrate, an insulating exterior material that covers at least the upper and the side surface of the resistor substrate, and harness electric wires that have one end parts connected to the respective electrodes, pass through the exterior material, and extend outside. The paired electrodes are formed on areas other than the end parts of the insulating substrate, and junctions of the end parts of the harness electric wires and the paired electrodes are at positions where creepage distance of insulation from the junctions to the bottom ends of the insulating substrate is a predetermined distance or longer. Such structure provides the resistor having a secured creepage distance of insulation between the conductor parts of the resistor and the metal case in which the resistor is installed.Type: GrantFiled: February 20, 2017Date of Patent: January 19, 2021Assignee: KOA CorporationInventors: Masaki Miyagawa, Kyohei Miyashita, Hiroshi Sakai, Hidekazu Karasawa, Takashi Ito
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Patent number: 10894463Abstract: An air-conditioning register includes a retainer, a downstream fin, a knob, an upstream fin, and a fork. The downstream fin is swingably supported by the retainer with a downstream fin pivot. The knob is slidably attached to the downstream fin. The upstream fin has a transmission shaft. The fork is pivotally supported by the knob and includes two fork pivots. The knob includes two pivot receiving portions each having a pivot receiving hole. Each fork pivot is inserted into the pivot receiving hole of the corresponding one of the pivot receiving portions. An overlapping portion is provided at least at part of a location at which the fork and each pivot receiving portion contact each other. Slits are provided at two locations between the two fork pivots of the fork. A region between each slit and the nearest fork pivot constitutes an elastic support portion.Type: GrantFiled: June 29, 2018Date of Patent: January 19, 2021Assignee: TOYODA GOSEI CO., LTD.Inventors: Kenichi Ito, Hiroshi Sakai, Ryo Suganuma, Mikiyoshi Suga
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Publication number: 20210010761Abstract: The heat sink includes a radiation fin extending in a vertical direction from a heat-receiving unit, in which the radiation fin includes a notched portion in which a tip end side corner of the radiation fin is retracted inward in a main surface direction of the radiation fin with respect to a virtual rectangle or a virtual square formed of a side of the radiation fin on the heat-receiving unit side viewed from the main surface side, a first side extending from both ends of the side on the heat-receiving unit side in a direction orthogonal to the side on the heat-receiving unit side and a second side formed by extending a linear portion on the side of the radiation fin on a tip end side facing the side on the heat-receiving unit side to the first side.Type: ApplicationFiled: September 28, 2020Publication date: January 14, 2021Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masato WATANABE, Masahiro MEGURO, Hiroshi SAKAI, Yasuhiro UCHIMURA, Shuta HIKICHI
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Patent number: 10888895Abstract: A film production method for producing a thin film on a surface of a workpiece, including the steps of: disposing the workpiece in a chamber; supplying a process gas into the chamber with the inside of the chamber being maintained at a predetermined pressure; applying a light having an energy between 3 eV and 10 eV to the surface of the workpiece to cause a photoelectron to be emitted from the surface of the workpiece; and applying an AC electric field to the surface of the workpiece, wherein the AC electric field has an electric field intensity causing a Townsend discharge to occur without generating a glow discharge plasma.Type: GrantFiled: February 13, 2018Date of Patent: January 12, 2021Assignees: SHOWA DENKO K.K., A SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Hiroshi Tani, Hiroshi Sakai, Eishin Yamakawa, Kazuki Shindo
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Publication number: 20200395045Abstract: A method of manufacturing a magnetic recording medium forms an unfinished product including a magnetic recording layer and a protection layer that are successively formed on a substrate, and forms a lubricant layer on the protection layer of the unfinished product. The lubricant layer is formed by coating a first organic fluorine compound on the protection layer of the unfinished product, and supplying a gas, including a second organic fluorine compound, onto the protection layer of the unfinished product, and decomposing the second organic fluorine compound by Townsend discharge and ultraviolet ray irradiation. The protection layer includes carbon, and the first organic fluorine compound includes a functional group at a terminal thereof.Type: ApplicationFiled: June 9, 2020Publication date: December 17, 2020Inventors: Hiroshi TANI, Hiroshi Sakai, Eishin Yamakawa, Kazuki Shindo
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Publication number: 20200386828Abstract: Provided is a method for determining a micro short circuit of a lithium ion secondary battery which is capable of determining the presence or absence of a micro short circuit of the lithium ion secondary battery in a short time. A relaxation process after the interruption of a discharging current or a charging current is analyzed and a voltage fluctuation component due to micro short circuit is separated and used in the determination.Type: ApplicationFiled: June 2, 2020Publication date: December 10, 2020Inventors: Pu QIAN, Hiroshi SAKAI
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Publication number: 20200386825Abstract: Provided is a method for determining a battery state of a lithium ion secondary battery that allows for understand a deterioration state of the battery without performing full charging of the battery. To estimate an entire image of a charge-discharge curve on the basis of a fragmentary charge-discharge curve by analyzing a relaxation process after the electric current interruption to grasp the resistance of a battery and taking into consideration a resulting resistance value.Type: ApplicationFiled: June 2, 2020Publication date: December 10, 2020Inventors: Pu QIAN, Hiroshi SAKAI
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Publication number: 20200355443Abstract: Provided herein is an example heat sink including a heat dissipation unit including a plurality of heat dissipation fin groups including a plurality of heat dissipation fins, the plurality of heat dissipation fin groups forming a laminated structure and a plurality of heat pipes, one end portions of which are thermally connected to a heating element and other end portions of which are inserted into a space provided between the plurality of heat dissipation fin groups forming the laminated structure and thermally connected to the heat dissipation unit.Type: ApplicationFiled: July 21, 2020Publication date: November 12, 2020Applicant: Furukawa Electric Co., Ltd.Inventors: Yasuyuki TOCHIGI, Masahiro MEGURO, Hiroshi SAKAI, Kenya KAWABATA
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Patent number: 10816755Abstract: A variable focal length lens device includes: a lens system whose refractive index is variable in response to an inputted drive signal; an image detector for detecting an image of a target object through the lens system; a lens controller for outputting the drive signal and an illumination signal; and a lens operation unit for adjusting a frequency and amplitude of the drive signal outputted by the lens controller and an image-detection timing for the image detector. The lens controller includes a resonance-lock controller for tuning the drive signal to a resonance frequency of the lens system. The lens operation unit includes a resonance-lock operation unit for switchably enabling and suspending the resonance-lock controller.Type: GrantFiled: April 12, 2018Date of Patent: October 27, 2020Assignee: MITUTOYO CORPORATIONInventors: Hiroshi Sakai, Yutaka Watanabe