Patents by Inventor Kazuhiro Fujii

Kazuhiro Fujii 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: 20190314793
    Abstract: A method for manufacturing a catalyst that oxidatively decomposes ethylene, carbon monoxide, formaldehyde, etc., at high efficiency even at low temperatures, wherein discharge of harmful gases such as halogens during the manufacture is reduced. Further, a method for manufacturing a low-temperature oxidation catalyst including: (1) a step for causing a non-halogen-containing noble metal compound to be supported on a carrier; (2) a step for reducing the noble metal compound on the carrier obtained in step (1); (3) a step for causing a halide to be supported on the carrier obtained in step (2); and (4) a step for drying the carrier obtained in step (3) and obtaining a low-temperature oxidation catalyst.
    Type: Application
    Filed: December 21, 2017
    Publication date: October 17, 2019
    Inventors: Yuuki Kasama, Wataru Fujii, Hyun-Joong Kim, Kazuhiro Yamada
  • Publication number: 20190314792
    Abstract: A catalyst for oxidizing a substance such as ethylene, carbon monoxide, or formaldehyde at high efficiency even at a low temperature of 100° C. or below, such as room temperature or below. Further, an oxidation catalyst of a low-temperature substance in which a noble metal and a metal halogen salt other than that of a noble metal are supported on a metal oxide carrier.
    Type: Application
    Filed: December 21, 2017
    Publication date: October 17, 2019
    Inventors: Yuuki Kasama, Wataru Fujii, Hyun-Joong Kim, Kazuhiro Yamada
  • Patent number: 10421519
    Abstract: A bicycle controller includes an electronic control unit controlling output of a motor that assists in propelling of a bicycle based on a manual driving force input to the bicycle. The electronic control unit further configured to control the motor in any one of operation modes including first, second and another operation modes, which control the output of the motor based on the manual driving force. The other operation mode excludes the first and second operation modes. In the first operation mode, the upper limit of output torque of the motor is a first value. In the second operation mode, the upper limit of output torque of the motor is a second value, which is 1.5 times or more than the first value. In the other operation mode, the upper limit of the output torque of the motor is the first value or less, or the second value or greater.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: September 24, 2019
    Assignee: Shimano Inc.
    Inventors: Yasuhiro Tsuchizawa, Hiroshi Matsuda, Kazuhiro Fujii, Satoshi Shahana
  • Publication number: 20190240669
    Abstract: Polycrystalline silicon fragments obtained by fracturing polycrystalline silicon blocks wherein a content ratio of polycrystalline silicon powder having a particle size of 500 to 1000 ?m is 0.1 to 40 ppmw.
    Type: Application
    Filed: April 16, 2019
    Publication date: August 8, 2019
    Applicant: Tokuyama Corporation
    Inventors: Kazuhiro Kawaguchi, Masami Fujii, Sho Uchida, Manabu Kondo, Yoshifumi Mito, Nobuaki Yoshimatsu
  • Patent number: 10351941
    Abstract: An object of the present invention is to provide an ?+? titanium alloy cold-rolled and annealed sheet having a high strength and a high Young's modulus in the sheet width direction. A titanium alloy sheet in which, when the texture in the sheet plane direction is analyzed, the ratio XTD/XND between the X-ray relative intensity peak value (XTD) in directions close to the sheet width direction and the X-ray relative intensity peak value (XND) in directions close to the normal-to-sheet-plane direction on the (0002) pole figure of the ?-phase is 5.0 or more and which contains, in mass %, Fe: 0.8% to 1.5% and N: 0.020% or less and has an oxygen-equivalent Q of 0.34 to 0.55. Annealing of the titanium alloy sheet is performed at not less than 500° C. and less than 800° C. in the case where the cold rolling rate is less than 25% and at not less than 500° C. and less than 620° C. in the case where the cold rolling rate is 25% or more.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: July 16, 2019
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Akira Kawakami, Kazuhiro Takahashi, Hideki Fujii
  • Patent number: 10350658
    Abstract: Provided is a titanium cast product made of commercially pure titanium, the titanium cast product being produced by electron-beam remelting or plasma arc melting, comprising: a melted and resolidified layer in a range of 1 mm or more in depth at a surface serving as a surface to be rolled, the melted and resolidified layer being obtained by adding one or more kinds of ?stabilizer elements to the surface and melting and resolidifying the surface. An average value of ? stabilizer element(s) concentration in a range of within 1 mm in depth is higher than ?stabilizer element(s) concentration in a base material by, in mass %, equal to or more than 0.08 mass % and equal to or less than 1.50 mass %. As the material containing the ? stabilizer element, powder, a chip, wire, or foil is used. As means for melting a surface layer, electron-beam heating and plasma arc heating are used.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: July 16, 2019
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yoshitsugu Tatsuzawa, Tomonori Kunieda, Kenichi Mori, Hideki Fujii, Kazuhiro Takahashi
  • Patent number: 10343406
    Abstract: A liquid ejection head has an ejection port forming region which includes liquid ejection energy generating elements arranged on a substrate, liquid supply ports each running through the substrate and having an opening at a surface of the substrate, a liquid path formed on the surface as a space containing the liquid ejection energy generating elements and the liquid supply ports therein, and ejection ports corresponding to the respective liquid ejection energy generating elements. The liquid ejection head is manufactured by forming a liquid path forming layer on the substrate using a dry film resist, forming an ejection port forming layer on the liquid path forming layer, forming a liquid path in the liquid path forming layer and ejection ports in the ejection port forming layer. The substrate has dummy holes each having an opening at a surface of the substrate outside the ejection port forming region.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: July 9, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Keiji Matsumoto, Jun Yamamuro, Kazuhiro Asai, Koji Sasaki, Kunihito Uohashi, Seiichiro Yaginuma, Ryotaro Murakami, Masahisa Watanabe, Tomohiko Nakano, Keiji Edamatsu, Haruka Nakada, Kenji Fujii
  • Patent number: 10336270
    Abstract: A vehicle and a manufacturing method thereof is provided in which separation of positively charged airflow from a positively charged surface of a vehicle body can be prevented. A vehicle body is insulated from a road surface, and positive static charges accumulate on the vehicle body during propulsion. The vehicle comprises a self-discharge device that is adapted to decrease a positive potential of at least any one of specific points at which positively charged airflow flowing along a vehicle surface deviates therefrom, during propulsion of the vehicle, by discharging static electricity to produce negative ions according to the positive potential of the specific point.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: July 2, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koshi Yamada, Toshio Tanahashi, Hisashi Yabuki, Kazuhiko Omasa, Yoji Kanehara, Nagataka Sassa, Naohiko Saito, Narito Fujii, Tsuyoshi Ohkita, Masaaki Morimoto, Kazuhiro Maeda, Taro Yamashita, Fumiatsu Suzuki
  • Patent number: 10322584
    Abstract: A method for manufacturing a liquid ejection head including the steps of preparing a substrate including, on a surface of the substrate, a layer having a plurality of openings in which opening portions of supply portions are located and which are arrayed in an array direction and another opening which is different from the plurality of openings and is located beyond the array end portion in the array direction, and attaching a dry film for forming flow passages to the substrate and the layer.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: June 18, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Yamamuro, Kenji Fujii, Kazuhiro Asai, Keiji Matsumoto, Koji Sasaki, Kunihito Uohashi, Seiichiro Yaginuma, Masahisa Watanabe, Ryotaro Murakami, Tomohiko Nakano, Keiji Edamatsu, Haruka Nakada
  • Patent number: 10307763
    Abstract: Polycrystalline silicon fragments obtained by fracturing polycrystalline silicon blocks wherein a content ratio of polycrystalline silicon powder having a particle size of 500 to 1000 ?m is 0.1 to 40 ppmw.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: June 4, 2019
    Assignee: Tokuyama Corporation
    Inventors: Kazuhiro Kawaguchi, Masami Fujii, Sho Uchida, Manabu Kondo, Yoshifumi Mito, Nobuaki Yoshimatsu
  • Patent number: 10286668
    Abstract: A liquid ejection head has an ejection port forming region which includes liquid ejection energy generating elements arranged on a substrate, liquid supply ports each running through the substrate and having an opening at a surface of the substrate, a liquid path formed on the surface as a space containing the liquid ejection energy generating elements and the liquid supply ports therein, and ejection ports corresponding to the respective liquid ejection energy generating elements. The liquid ejection head is manufactured by forming a liquid path forming layer on the substrate using a dry film resist, forming an ejection port forming layer on the liquid path forming layer, forming a liquid path in the liquid path forming layer and ejection ports in the ejection port forming layer. The substrate has dummy holes each having an opening at a surface of the substrate outside the ejection port forming region.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: May 14, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Keiji Matsumoto, Jun Yamamuro, Kazuhiro Asai, Koji Sasaki, Kunihito Uohashi, Seiichiro Yaginuma, Ryotaro Murakami, Masahisa Watanabe, Tomohiko Nakano, Keiji Edamatsu, Haruka Nakada, Kenji Fujii
  • Patent number: 10227106
    Abstract: A bicycle controller and bicycle drive device that improves the stability of the behavior of a bicycle. The bicycle controller includes an electronic control unit that reduces the output of a motor, which is configured to assist in propulsion of the bicycle, in accordance with an angular acceleration of a rotary body. The rotary body is included in a human power transmission path extending from an input for human power to a coupling portion coupled to a drive wheel.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: March 12, 2019
    Assignee: Shimano Inc.
    Inventors: Yasuhiro Tsuchizawa, Hiroshi Matsuda, Kazuhiro Fujii, Satoshi Shahana, Hiroyuki Miyoshi, Mitsuru Tauchi
  • Patent number: 10086907
    Abstract: A bicycle electrical component is basically provided with a wireless communication unit, a movable member, an electrical actuation unit and a support structure. The wireless communication unit includes a first housing and a wireless communication member that is contained within the first housing. The electrical actuation unit includes a second housing and an electrical actuator that is contained within the second housing. The electrical actuator is configured to actuate the movable member. The second housing is different from the first housing. The support structure detachably supports the wireless communication unit to the bicycle electrical component.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: October 2, 2018
    Assignee: Shimano Inc.
    Inventors: Hiroshi Tachibana, Kazuhiro Fujii, Yuta Mizutani, Keijiro Nishi, Yuki Kataoka, Atsushi Komatsu, Yuta Kurokawa, Shingo Sakurai
  • Patent number: 10065706
    Abstract: A bicycle component fixing structure includes at least one bracket including at least one connecting portion and at least one fixing portion. The connecting portion is connected to the bicycle component. The fixing portion extends from the connecting portion and is fixed with respect to an outer peripheral surface of a cylindrical portion having an open end. The fixing portion includes at least one inner surface that opposes an outer peripheral surface of the cylindrical portion, and at least one outer surface that faces in the opposite direction from the inner surface. The fixing portion is fixed to the outer peripheral surface of the cylindrical portion by a pressing force that acts on the outer surface. The bracket fixes the bicycle component to the open end of the cylindrical portion, in a state in which the fixing portion is fixed to the outer peripheral surface of the cylindrical portion.
    Type: Grant
    Filed: October 7, 2016
    Date of Patent: September 4, 2018
    Assignee: Shimano Inc.
    Inventors: Yoshinori Iino, Kazuhiro Fujii, Eiji Mishima
  • Publication number: 20180201339
    Abstract: A bicycle magnetism generation device and a disc brake adapter are configured to allow a rotation state of a bicycle wheel to be detected in a suitable manner. The bicycle magnetism generation device includes a magnetism generator generating magnetism. In a state where the disc brake rotor is coupled to a hub of a bicycle, the bicycle magnetism generation device is at least partially arrangeable between the disc brake rotor and the hub.
    Type: Application
    Filed: December 26, 2017
    Publication date: July 19, 2018
    Inventors: Satoshi SHAHANA, Tadaharu KUROTOBI, Kazuhiro FUJII, Kanako KIYOKAWA
  • Publication number: 20180178870
    Abstract: A bicycle display device is configured to show an image on a display that is appropriate to a bicycle component, which is communicable with the bicycle display device. The bicycle display device is configured to be mounted on a bicycle. The bicycle display device includes a communication unit, a display and an electronic controller. The communication unit is communicably connected to a bicycle component that is mounted on the bicycle and configured to be actuated in multiple actuation modes. The display is configured to show an image related to the actuation modes of the bicycle component, which is one of different types of bicycle components. The electronic controller changes the image shown on the display in accordance with the type of the bicycle component communicably connected to the communication unit.
    Type: Application
    Filed: December 11, 2017
    Publication date: June 28, 2018
    Inventors: Hiroaki TAKESHITA, Yuichiro ISHIKAWA, Takashi KOMEMUSHI, Kazuhiro FUJII, Satoshi SHAHANA, Hiroyuki MIYOSHI
  • Publication number: 20180178883
    Abstract: A bicycle drive unit includes a motor that assists propulsion of a bicycle and a wire operation device that operates a wire, which is connectable to a bicycle component.
    Type: Application
    Filed: December 12, 2017
    Publication date: June 28, 2018
    Inventors: Tadashi ICHIDA, Satoshi SHAHANA, Kazuhiro FUJII, Kazuhiro TAKEDA
  • Publication number: 20180118305
    Abstract: A bicycle controller includes an electronic control unit. The electronic control unit controls a transmission device that changes a ratio of a rotational speed of a wheel of a bicycle to a rotational speed of a crank of the bicycle, and a motor that transmits torque to an upstream side of the transmission device in a transmission path of a manual driving force that is input to the crank. The electronic control unit switches between a first mode that drives the motor in accordance with the manual driving force and a second mode that allows the motor to be driven to assist walking of the bicycle. The electronic control unit controls the transmission device to change the ratio upon detection of the electronic control unit switching between the first mode and the second mode or the electronic control unit being in the second mode.
    Type: Application
    Filed: October 18, 2017
    Publication date: May 3, 2018
    Inventors: Yasuhiro TSUCHIZAWA, Hiroshi MATSUDA, Kazuhiro FUJII, Satoshi SHAHANA, Hiroyuki MIYOSHI, Etsuyoshi WATARAI
  • Publication number: 20170355420
    Abstract: A bicycle controller includes an electronic control unit controlling output of a motor that assists in propelling of a bicycle based on a manual driving force input to the bicycle. The electronic control unit further configured to control the motor in any one of operation modes including first, second and another operation modes, which control the output of the motor based on the manual driving force. The other operation mode excludes the first and second operation modes. In the first operation mode, the upper limit of output torque of the motor is a first value. In the second operation mode, the upper limit of output torque of the motor is a second value, which is 1.5 times or more than the first value. In the other operation mode, the upper limit of the output torque of the motor is the first value or less, or the second value or greater.
    Type: Application
    Filed: June 12, 2017
    Publication date: December 14, 2017
    Inventors: Yasuhiro TSUCHIZAWA, Hiroshi MATSUDA, Kazuhiro FUJII, Satoshi SHAHANA
  • Patent number: RE47492
    Abstract: A bicycle control device that includes a bracket configured to be mounted to a handlebar, a first lever pivotally mounted to the bracket and defining a first pivot axis, a second lever that includes a first user contact part pivotally mounted to the first lever that pivots about a second axis, and a first electrical switch mounted to one of the first lever and the second lever. The first electrical switch is operated in response to pivotal movement of the second lever about the second axis. The first pivot axis is positioned between the second pivot axis and the first user contact part.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: July 9, 2019
    Assignee: SHIMANO INC.
    Inventors: Kazuhiro Fujii, Akinobu Uno, Takuro Jinbu