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: 20240150505Abstract: 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: ApplicationFiled: December 27, 2023Publication date: May 9, 2024Applicant: 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: 11971633Abstract: 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: GrantFiled: May 15, 2020Date of Patent: April 30, 2024Assignees: SONY SEMICONDUCTOR SOLUTIONS CORPORATION, SONY GROUP CORPORATIONInventors: 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: 11958920Abstract: 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: GrantFiled: March 11, 2022Date of Patent: April 16, 2024Assignee: Asia Stencil Paper Co., Ltd.Inventors: Satoshi Kuniyasu, Kazuhiro Tanaka
-
Publication number: 20240117077Abstract: 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: ApplicationFiled: November 7, 2023Publication date: April 11, 2024Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takahiro TAIRA, Kazuhiro MISHIMA, Chiaki OKUI, Tadao HAYASHI, Hirotoshi YOSHIDA, Yuuji TANAKA, Masayoshi MIYAMOTO, Taku YAMANAKA, Taketo KATO
-
Patent number: 11947280Abstract: 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: GrantFiled: October 5, 2022Date of Patent: April 2, 2024Assignee: Canon Kabushiki KaishaInventors: Kazuhiro Funatani, Masatake Tanaka, Kentaro Yamawaki, Kenichi Iida, Shinsuke Kobayashi, Kensuke Umeda, Takanori Watanabe, Ai Suzuki
-
Patent number: 11943414Abstract: 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: GrantFiled: April 13, 2023Date of Patent: March 26, 2024Assignee: Toshiba Tec Kabushiki KaishaInventors: Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Masaki Narahashi, Satoshi Oyama, Tatsuya Inagi
-
Patent number: 11943398Abstract: 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: GrantFiled: April 27, 2023Date of Patent: March 26, 2024Assignee: Toshiba Tec Kabushiki KaishaInventors: Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Masaki Narahashi, Satoshi Oyama
-
Publication number: 20240088852Abstract: 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: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Inventors: Kanto KUBOTA, Kazuhiro MURAKAMI, Kunimasa TANAKA
-
Patent number: 11920077Abstract: 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: GrantFiled: July 16, 2019Date of Patent: March 5, 2024Assignee: 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: 20240068380Abstract: 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: ApplicationFiled: November 2, 2022Publication date: February 29, 2024Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yuka TSUKADA, Kazuhiro SAITO, Yusuke SUZUKI, Yoshikazu NINOMIYA, Osamu TANAKA, Yasuteru KAWAI, Shinichi TERADA, Makoto SASAKI
-
Publication number: 20240067587Abstract: 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: ApplicationFiled: March 2, 2022Publication date: February 29, 2024Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., The University of TokyoInventors: Koichiro Yoshitoku, Yukio Tanaka, Atsuhiro Yukumoto, Noriaki Senba, Kazuhiro Takanabe
-
Publication number: 20230414268Abstract: 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: ApplicationFiled: September 7, 2023Publication date: December 28, 2023Applicant: OLYMPUS CORPORATIONInventors: Yusuke TAKEI, Kazuhiro TANAKA, Tomoyuki TAKASHINO
-
Patent number: 11786288Abstract: 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: GrantFiled: May 20, 2020Date of Patent: October 17, 2023Assignee: OLYMPUS CORPORATIONInventors: Yusuke Takei, Kazuhiro Tanaka, Tomoyuki Takashino
-
Patent number: 11781468Abstract: 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: GrantFiled: November 5, 2020Date of Patent: October 10, 2023Assignee: Kubota CorporationInventor: Kazuhiro Tanaka
-
Patent number: 11767796Abstract: 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: GrantFiled: November 9, 2022Date of Patent: September 26, 2023Assignee: KUBOTA CORPORATIONInventors: Michisuke Iga, Kazuhiro Tanaka, Masanori Hirochi, Yoshinori Oyama
-
Patent number: 11724586Abstract: 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: GrantFiled: May 13, 2021Date of Patent: August 15, 2023Assignee: Kubota CorporationInventors: Kensuke Okabe, Kohta Nakao, Kazuhiro Tanaka, Yusuke Endo, Toshifumi Yasuda
-
Patent number: 11707316Abstract: 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: GrantFiled: December 20, 2018Date of Patent: July 25, 2023Assignee: OLYMPUS CORPORATIONInventors: Kazuhiro Tanaka, Yuki Kawaguchi, Yusuke Takei, Ojiro Kitamura, Akinori Kobayashi, Tomoyuki Takashino, Tatsuro Yamamoto
-
Publication number: 20230230741Abstract: 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: ApplicationFiled: March 2, 2021Publication date: July 20, 2023Applicant: HITACHI HIGH-TECH CORPORATIONInventors: Guangbin Zhou, Hiroshi Suzuki, Gorou Yoshida, Kazuhiro Tanaka
-
Publication number: 20230203997Abstract: 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: ApplicationFiled: November 9, 2022Publication date: June 29, 2023Inventors: Michisuke IGA, Kazuhiro TANAKA, Masanori HIROCHI, Yoshinori OYAMA
-
Publication number: 20230200887Abstract: 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: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Inventors: Akira MIYAZAKI, Hiroyuki Takayama, Daisuke Yanagi, Kazuhiro Tanaka, Ojiro Kitamura, Tomoyuki Takashino