Patents by Inventor Kazuhiro Tanaka

Kazuhiro Tanaka 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: 20240150505
    Abstract: A method for producing a polytetrafluoroethylene powder, which includes subjecting tetrafluoroethylene to suspension polymerization in an aqueous medium to prepare a suspension-polymerized particle of non melt-processible polytetrafluoroethylene, drying the suspension-polymerized particle to prepare a dry particle, subjecting the dry particle to fluorine radical treatment to prepare a fluorine radical-treated particle, and crushing the fluorine radical-treated particle to produce a polytetrafluoroethylene powder. Also disclosed is a polytetrafluoroethylene formed article obtained by forming the polytetrafluoroethylene powder, as well as a polytetrafluoroethylene compression-molded article obtained by compression molding the polytetrafluoroethylene powder.
    Type: Application
    Filed: December 27, 2023
    Publication date: May 9, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro TAIRA, Kazuhiro Mishima, Takayuki Tanaka, Takeki Kusunoki, Masayoshi Miyamoto, Tomoki Minamiyama, Mitsuo Tsukamoto, Kenji Ichikawa, Takuya Yamabe, Hirotoshi Yoshida, Taketo Kato, Taku Yamanaka
  • Patent number: 11971633
    Abstract: An electrode structure includes: a plurality of pixel electrodes arranged separately from each other; and a plurality of dielectric layers laminated in a first direction with respect to the plurality of pixel electrodes, in which the plurality of dielectric layers includes: a first dielectric layer that spreads over the plurality of pixel electrodes in a direction intersecting with the first direction; and a second dielectric layer that includes dielectric material having a refractive index higher than that of the first dielectric layer, sandwiches the first dielectric layer together with the plurality of pixel electrodes, and has a slit at a position overlapping space between pixel electrodes adjacent when viewed from the first direction.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: April 30, 2024
    Assignees: SONY SEMICONDUCTOR SOLUTIONS CORPORATION, SONY GROUP CORPORATION
    Inventors: Takashi Sakairi, Tomoaki Honda, Tsuyoshi Okazaki, Keiichi Maeda, Chiho Araki, Katsunori Dai, Shunsuke Narui, Kunihiko Hikichi, Kouta Fukumoto, Toshiaki Okada, Takuma Matsuno, Yuu Kawaguchi, Yuuji Adachi, Koichi Amari, Hideki Kawaguchi, Seiya Haraguchi, Takayoshi Masaki, Takuya Fujino, Tadayuki Dofuku, Yosuke Takita, Kazuhiro Tamura, Atsushi Tanaka
  • Patent number: 11958920
    Abstract: Provided is an active energy ray curable composition cured by irradiation of active energy rays. The active energy ray curable composition contains an (A) radical polymerizable compound, a (B) photopolymerization initiator, and a (C) amine compound. The (B) photopolymerization initiator includes a (B1) sulfur compound and a (B2) acyl phosphine oxide compound. The (B1) sulfur compound is at least one of a sulfone compound and a thiobenzoyl compound.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: April 16, 2024
    Assignee: Asia Stencil Paper Co., Ltd.
    Inventors: Satoshi Kuniyasu, Kazuhiro Tanaka
  • Publication number: 20240117077
    Abstract: A composition containing polytetrafluoroethylene and substantially free from a compound represented by Formula (3): (H—(CF2)8—SO3)qM2 wherein M2 is H, a metal atom, NR54 (where R5s may be the same as or different from each other and are each H or an organic group having 1 to 10 carbon atoms), an imidazolium optionally having a substituent, a pyridinium optionally having a substituent, or a phosphonium optionally having a substituent, and q is 1 or 2. Also disclosed is a molded boy including the composition.
    Type: Application
    Filed: November 7, 2023
    Publication date: April 11, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro TAIRA, Kazuhiro MISHIMA, Chiaki OKUI, Tadao HAYASHI, Hirotoshi YOSHIDA, Yuuji TANAKA, Masayoshi MIYAMOTO, Taku YAMANAKA, Taketo KATO
  • Patent number: 11947280
    Abstract: A mechanism that enables developer replenishment by a simpler structure and a mechanism that enables more user-friendly developer replenishment are provided. An attachment port to which a developer supply bottle containing a developer stored therein is detachably attachable is disposed in an interior of an image forming apparatus. The developer supply bottle can be attached when the cover is in an open state. According to this image forming apparatus, when the developer supply bottle is attached to the attachment port, the developer inside the developer supply bottle moves into a developer housing chamber by its own weight.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: April 2, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Funatani, Masatake Tanaka, Kentaro Yamawaki, Kenichi Iida, Shinsuke Kobayashi, Kensuke Umeda, Takanori Watanabe, Ai Suzuki
  • Patent number: 11943414
    Abstract: An image processing apparatus includes a display device and a processor. The processor is configured to generate a first screen for display on the display device and on which one of a plurality of malfunctioning part candidates of the image processing apparatus and one of a plurality of timings at which a particular sound was output by the image processing apparatus that malfunctioned, are selectable, when a first malfunctioning part candidate and a first timing are selected on the first screen, generate a second screen for display on the display device and on which one or more reference sounds corresponding to the particular sound are selectable, and when one of the reference sounds is selected on the second screen, generate error information indicating the first malfunctioning part candidate and the selected reference sound.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: March 26, 2024
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventors: Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Masaki Narahashi, Satoshi Oyama, Tatsuya Inagi
  • Patent number: 11943398
    Abstract: A maintenance support system includes a network interface, a memory, and a processor configured to, upon receipt of first information indicating a status of a first apparatus via the network interface, store the first information in the memory, upon receipt of second information indicating a status of a second apparatus via the network interface, store the second information in the memory, and determine a priority of on-site maintenance between the first and second apparatuses based on the first and second information stored in the memory.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: March 26, 2024
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventors: Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Masaki Narahashi, Satoshi Oyama
  • Publication number: 20240088852
    Abstract: An amplifier circuit configured to generate an error voltage corresponding the difference between a target voltage and a reference voltage includes: a first differential input pair having a first transistor configured to receive the target voltage at its gate and a second transistor configured to receive the reference voltage at its gate; and a second differential input pair having a third transistor configured to receive the target voltage at its gate and a fourth transistor configured to receive the reference voltage at its gate. The amplifier circuit generates the error voltage based on the reference voltage by using the first or second differential input pair. The first and second transistors are formed as P-channel MOSFETs and the third and fourth transistors are formed as N-channel MOSFETs.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Inventors: Kanto KUBOTA, Kazuhiro MURAKAMI, Kunimasa TANAKA
  • Patent number: 11920077
    Abstract: No studies have been made regarding what kinds of refrigerants should be used in a refrigeration cycle device for a vehicle. An air conditioner (1) for a vehicle includes a refrigerant circuit (10) and a refrigerant that is sealed in the refrigerant circuit (10). The refrigerant circuit (10) includes a compressor (80), a first heat exchanger (85), which serves as a heat dissipater in a dehumidifying heating mode, an outside-air heat exchanger (82), a cooling control valve (87), and a second heat exchanger (86), which serves as an evaporator in the dehumidifying heating mode. The refrigerant is a refrigerant having a low GWP.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: March 5, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Eiji Kumakura, Kazuhiro Furusho, Masaru Tanaka, Shun Ohkubo, Mitsushi Itano, Yuuki Yotsumoto, Akihito Mizuno, Tomoyuki Gotou, Yasufu Yamada, Tatsumi Tsuchiya, Kenji Gobou, Hitomi Kuroki, Daisuke Karube, Tatsuya Takakuwa, Tetsushi Tsuda
  • Publication number: 20240068380
    Abstract: There is provided a pit initiation evaluation system or the like capable of predicting pit initiation effectively and at low cost. In a pit initiation evaluation system of an embodiment, a pit initiation evaluation unit creates and retains, based on a dry-wet alternate time data, a deposit impurity concentration data, and a pit initiation data on pitting corrosion initiated in each of a plurality of turbine stages when an operation is actually performed in the steam turbine, a pit initiation evaluation table presenting a relationship between a dry-wet alternate time, a deposit impurity concentration, and pit initiation. Further, the pit initiation evaluation unit is configured to evaluate, by using the pit initiation evaluation table, pitting corrosion to be initiated in each of the plurality of turbine stages in an operation planned for the steam turbine.
    Type: Application
    Filed: November 2, 2022
    Publication date: February 29, 2024
    Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Yuka TSUKADA, Kazuhiro SAITO, Yusuke SUZUKI, Yoshikazu NINOMIYA, Osamu TANAKA, Yasuteru KAWAI, Shinichi TERADA, Makoto SASAKI
  • Publication number: 20240067587
    Abstract: An olefin production device for producing an olefin from a raw material gas containing methane and oxygen includes a reactor containing: a first catalyst; and a second catalyst disposed downstream of the first catalyst in a flow direction of the raw material gas. The first catalyst is a catalyst in which a zirconium salt or carbonate of an alkali metal, an oxide of an alkaline earth metal, an oxide of one kind of lanthanoid element, a composite oxide containing a lanthanoid element, or a combination thereof is supported on a support. The second catalyst is a catalyst containing a tungsten oxide, phosphate, or carbonate of an alkali metal.
    Type: Application
    Filed: March 2, 2022
    Publication date: February 29, 2024
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., The University of Tokyo
    Inventors: Koichiro Yoshitoku, Yukio Tanaka, Atsuhiro Yukumoto, Noriaki Senba, Kazuhiro Takanabe
  • Publication number: 20230414268
    Abstract: An electrically conductive plate of a treatment instrument includes a treating surface and a back surface facing an opposite side of the treating surface, and an electric component is arranged on the back surface of the electrically conductive plate. The electric component is electrically independent from the electrically conductive plate, and a holder supports the electrically conductive plate from the back surface side. A connector is made of a thermoplastic resin, and arranged on either side of and spaced from the electric component in a width direction intersecting with a longitudinal axis. The connector stationarily fixes each end of the electrically conductive plate in the width direction to the holder.
    Type: Application
    Filed: September 7, 2023
    Publication date: December 28, 2023
    Applicant: OLYMPUS CORPORATION
    Inventors: Yusuke TAKEI, Kazuhiro TANAKA, Tomoyuki TAKASHINO
  • Patent number: 11786288
    Abstract: An electrically conductive plate of a treatment instrument includes a treating surface and a back surface facing an opposite side of the treating surface, and an electric component is arranged on the back surface of the electrically conductive plate. The electric component is electrically independent from the electrically conductive plate, and a holder supports the electrically conductive plate from the back surface side. A connector is made of a thermoplastic resin, and arranged on either side of and spaced from the electric component in a width direction intersecting with a longitudinal axis. The connector stationarily fixes each end of the electrically conductive plate in the width direction to the holder.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: October 17, 2023
    Assignee: OLYMPUS CORPORATION
    Inventors: Yusuke Takei, Kazuhiro Tanaka, Tomoyuki Takashino
  • Patent number: 11781468
    Abstract: A thermostat is provided at a connection portion between a cooling water supply passage and a bypass passage. When the temperature of the cooling water lies in a low temperature range lower than a first reference temperature, the thermostat allows introduction of the cooling water from the cooling water discharge passage into the cooling water supply passage via the bypass passage and also prevents introduction of the cooling water from the radiator into the engine via the cooling water supply passage. When the temperature of the cooling water lies in a high temperature range equal to or higher than a second reference temperature which is higher than the first reference temperature, the thermostat allows introduction of the cooling water from the radiator into the engine via the cooling water supply passage and also prevents introduction of the cooling water from the cooling water discharge passage into the cooling water supply passage via the bypass passage.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: October 10, 2023
    Assignee: Kubota Corporation
    Inventor: Kazuhiro Tanaka
  • Patent number: 11767796
    Abstract: A spark ignition type engine enabling engine startability to be favorable is provided. The spark ignition type engine includes a main intake-air passage; a throttle valve of the main intake-air passage; a bypass intake-air passage bypassing the throttle valve; an ISC valve of the bypass intake-air passage; and an electronic control device that controls an engine speed by adjusting an opening degree of the ISC valve, in which when the engine is started, cranking is performed at a cranking opening degree at which the ISC valve is narrowed by a predetermined amount from a fully opened state by control of the electronic control device, so that an intake-air negative pressure is generated on an intake-air downstream side of the ISC valve.
    Type: Grant
    Filed: November 9, 2022
    Date of Patent: September 26, 2023
    Assignee: KUBOTA CORPORATION
    Inventors: Michisuke Iga, Kazuhiro Tanaka, Masanori Hirochi, Yoshinori Oyama
  • Patent number: 11724586
    Abstract: A work vehicle includes an engine (11); a traveling device (1, 2) capable of traveling on the ground; a power transmission device (13) that transmits driving power of the engine (11) to the traveling device (1, 2) with a work oil; a cooling device (15) for cooling the engine (11) with a cooling fluid; a storage unit (17) having a first storage space (17A) for storing the work oil and a second storage space (17B) for storing the cooling fluid.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: August 15, 2023
    Assignee: Kubota Corporation
    Inventors: Kensuke Okabe, Kohta Nakao, Kazuhiro Tanaka, Yusuke Endo, Toshifumi Yasuda
  • Patent number: 11707316
    Abstract: A treatment instrument includes a rotating body and a housing. The rotating body includes a connecting portion including: a supported portion having a cylindrical outer peripheral surface, and an engaged portion that is adjacent to the supported surface. The housing includes a supporting portion that is configured to support the supported portion of the rotating body, the supporting portion being rotatable around a predetermined rotation axis; and an engaging portion that is configured to generate a frictional force larger than a frictional force between the supporting portion and the supported portion by coming into contact with the engaged portion.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: July 25, 2023
    Assignee: OLYMPUS CORPORATION
    Inventors: Kazuhiro Tanaka, Yuki Kawaguchi, Yusuke Takei, Ojiro Kitamura, Akinori Kobayashi, Tomoyuki Takashino, Tatsuro Yamamoto
  • Publication number: 20230230741
    Abstract: The present invention accurately estimates the opening state of a solenoid valve using a feature amount based on driving current information of the solenoid valve. A solenoid valve abnormality detection device, which uses a driving current pattern associated with valve opening of a solenoid valve and detected by a current sensor to detect an abnormality of the solenoid valve, comprises: a feature amount extraction unit that determines a feature amount of a driving current pattern associated with valve opening of the solenoid valve within a predetermined detection period; a feature amount correction unit that estimates the valve temperature of the solenoid valve; and an opening state estimation unit that estimates the opening state of the solenoid valve using the feature amount value corrected by the feature amount correction unit.
    Type: Application
    Filed: March 2, 2021
    Publication date: July 20, 2023
    Applicant: HITACHI HIGH-TECH CORPORATION
    Inventors: Guangbin Zhou, Hiroshi Suzuki, Gorou Yoshida, Kazuhiro Tanaka
  • Publication number: 20230203997
    Abstract: A spark ignition type engine enabling engine startability to be favorable is provided. The spark ignition type engine includes a main intake-air passage; a throttle valve of the main intake-air passage; a bypass intake-air passage bypassing the throttle valve; an ISC valve of the bypass intake-air passage; and an electronic control device that controls an engine speed by adjusting an opening degree of the ISC valve, in which when the engine is started, cranking is performed at a cranking opening degree at which the ISC valve is narrowed by a predetermined amount from a fully opened state by control of the electronic control device, so that an intake-air negative pressure is generated on an intake-air downstream side of the ISC valve.
    Type: Application
    Filed: November 9, 2022
    Publication date: June 29, 2023
    Inventors: Michisuke IGA, Kazuhiro TANAKA, Masanori HIROCHI, Yoshinori OYAMA
  • Publication number: 20230200887
    Abstract: A treatment tool includes: an insertion tube; a distal end part that is provided at a distal end of the insertion tube; a shaft that is provided in the distal end part and that includes an outer circumferential surface; and a pair of transmitters each of which is inserted into the insertion tube and is fixed to the distal end part, the pair of transmitters being configured to transmit a drive force that causes the distal end part to flex with respect to the insertion tube, each transmitter being arranged along the outer circumferential surface with the shaft being sandwiched between the pair of transmitters and, on a distal end side with respect to the shaft, the pair of transmitters extending in a state of being separate from each other in a distance smaller than a diameter of the outer circumferential surface of the shaft.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 29, 2023
    Inventors: Akira MIYAZAKI, Hiroyuki Takayama, Daisuke Yanagi, Kazuhiro Tanaka, Ojiro Kitamura, Tomoyuki Takashino