Patents by Inventor Koji Kawanishi

Koji Kawanishi 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).

  • Patent number: 11456288
    Abstract: An image display element includes micro light emitting elements arranged in an array, a drive circuit substrate that includes a drive circuit for supplying a current to the micro light emitting elements to cause light to be emitted, and an antenna arranged on a light emitting surface of each of the micro light emitting elements, in which the antenna includes isolated convex portions.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: September 27, 2022
    Assignee: Sharp Fukuyama Laser Co., Ltd.
    Inventors: Hiroaki Onuma, Katsuji Iguchi, Koji Takahashi, Hidenori Kawanishi
  • Patent number: 11424225
    Abstract: An image display device includes: a plurality of micro light emitting elements arranged in an array shape; a driving circuit substrate including a driving circuit that supplies electric current to the plurality of micro light emitting elements and that causes the plurality of micro light emitting elements to emit light; a plurality of micro lenses in contact with light emitting surfaces of the plurality of micro light emitting elements; and a plurality of partition walls disposed around the plurality of micro lenses in a direction parallel to the light emitting surfaces.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: August 23, 2022
    Assignee: Sharp Fukuyama Laser Co., Ltd.
    Inventors: Katsuji Iguchi, Hidenori Kawanishi, Koji Takahashi, Masumi Maegawa
  • Patent number: 11267728
    Abstract: Provided is an alkaline water electrolyzer in which leakage of aqueous alkali solutions is prevented. The alkaline water electrolyzer 10 includes an anode chamber frame 11 defining an anode chamber 12; a cathode chamber frame 17 defining a cathode chamber 18; a porous diaphragm 16 disposed between the anode and cathode chamber frames 11 and 17 and partitioning the anode and cathode chambers 12 and 18; an anode gasket 15 disposed on the anode chamber frame 11; and a cathode gasket 21 disposed on the cathode chamber frame 17, wherein when the anode and cathode chamber frames 11 and 17 are fastened, the porous diaphragm 16 is held between the anode and cathode chamber frames 11 and 17 via the anode and cathode gaskets 15 and 21 and the anode and cathode gaskets 15 and 21 are in contact with each other around the peripheral edge of the porous diaphragm 16 by compressing the anode and cathode gaskets 15 and 21.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 8, 2022
    Assignees: THYSSENKRUPP UHDE CHLORINE ENGINEERS (JAPAN) LTD., KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro Oiwa, Koji Kawanishi, Kenichiro Igashira, Yuji Kamei, Nanase Ishikawa, Akiyoshi Manabe
  • Patent number: 10988848
    Abstract: An electrolytic cell that prevents, or at least minimizes, damage to a membrane and reduces electrolytic voltage may include an elastic member attached to an electrolytic partition wall within an anode chamber and/or a cathode chamber. The elastic member comprises a spring retaining part and a bonding part that is bonded to the electrolytic partition wall, parallel first support parts extending from the bonding part away from the electrolytic partition wall, a second support part connecting the first support parts, and two parallel spring rows. Each spring row may include first flat spring-like bodies, which originate from the first support part and extend toward the opposite direction of the electrolytic partition wall, and second flat spring-like bodies, which originate from the second support part and extend toward the opposite direction of the electrolytic partition wall.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: April 27, 2021
    Assignee: THYSSENKRUPP UHDE CHLORINE ENGINEERS GMBH
    Inventors: Koji Kawanishi, Takehiro Oiwa, Shinichiro Yamamoto, Masaki Watanabe
  • Publication number: 20200039848
    Abstract: Provided is an alkaline water electrolyzer in which leakage of aqueous alkali solutions is prevented. The alkaline water electrolyzer 10 includes an anode chamber frame 11 defining an anode chamber 12; a cathode chamber frame 17 defining a cathode chamber 18; a porous diaphragm 16 disposed between the anode and cathode chamber frames 11 and 17 and partitioning the anode and cathode chambers 12 and 18; an anode gasket 15 disposed on the anode chamber frame 11; and a cathode gasket 21 disposed on the cathode chamber frame 17, wherein when the anode and cathode chamber frames 11 and 17 are fastened, the porous diaphragm 16 is held between the anode and cathode chamber frames 11 and 17 via the anode and cathode gaskets 15 and 21 and the anode and cathode gaskets 15 and 21 are in contact with each other around the peripheral edge of the porous diaphragm 16 by compressing the anode and cathode gaskets 15 and 21.
    Type: Application
    Filed: March 28, 2018
    Publication date: February 6, 2020
    Applicants: thyssenkrupp Uhde Chlorine Engineers (Japan) Ltd., KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takehiro OIWA, Koji KAWANISHI, Kenichiro IGASHIRA, Yuji KAMEI, Nanase ISHIKAWA, Akiyoshi MANABE
  • Publication number: 20190226100
    Abstract: An electrolytic cell that prevents, or at least minimizes, damage to a membrane and reduces electrolytic voltage may include an elastic member attached to an electrolytic partition wall within an anode chamber and/or a cathode chamber. The elastic member comprises a spring retaining part and a bonding part that is bonded to the electrolytic partition wall, parallel first support parts extending from the bonding part away from the electrolytic partition wall, a second support part connecting the first support parts, and two parallel spring rows. Each spring row may include first flat spring-like bodies, which originate from the first support part and extend toward the opposite direction of the electrolytic partition wall, and second flat spring-like bodies, which originate from the second support part and extend toward the opposite direction of the electrolytic partition wall.
    Type: Application
    Filed: June 13, 2017
    Publication date: July 25, 2019
    Applicant: THYSSENKRUPP UHDE CHLORINE ENGINEERS GMBH
    Inventors: Koji KAWANISHI, Takehiro OIWA, Shinichiro YAMAMOTO, Masaki Watanabe
  • Patent number: 10344386
    Abstract: Provided are an elastic cushion member and an ion exchange membrane electrolyzer using the same, which elastic cushion member can be installed even in an ion exchange membrane electrolyzer having such a small gap between an electrode and an electrode current collecting plate that a conventional elastic cushion member cannot be arranged therein. An elastic cushion member (10) has a pair of corrosion-resistant metal thin plates (11) arranged at a distance in parallel fashion and a fixing member (12) which fixes the pair of corrosion-resistant metal thin plates (11) and comprises a metal elastic body (13) wound between the pair of corrosion-resistant metal thin plates (11). The fixing member (12) is attached to the pair of corrosion-resistant metal thin plates (11) in a manner that enables detachment of the fixing member therefrom. The metal elastic body (13) is preferred to be a metal coil body.
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: July 9, 2019
    Assignee: thyssenkrupp Uhde Chlorine Engineers (Japan) Ltd.
    Inventors: Yoshiyuki Kodama, Koji Kawanishi
  • Publication number: 20160333488
    Abstract: Provided are an anode for an ion exchange membrane electrolyzer which enables an aqueous solution of an alkali metal chloride to be electrolyzed at a lower voltage than a conventional anode and allows the concentration of an impurity gas included in an anode gas to be reduced and an ion exchange membrane electrolyzer using the same. The anode is an anode for an ion exchange membrane electrolyzer to be used in an ion exchange membrane electrolyzer that is separated by an ion exchange membrane into an anode chamber and a cathode chamber. The anode for an ion exchange membrane electrolyzer comprises at least one perforated flat metal plate 1 (expanded metal 1) and the thickness of the perforated flat metal plate 1 (expanded metal 1) ranges from 0.1 to 0.5 mm and the ratio of the short way SW to the long way LW (SW/LW) ranges from 0.45 to 0.55. The short way SW is preferably not more than 3.0 mm.
    Type: Application
    Filed: January 15, 2015
    Publication date: November 17, 2016
    Applicants: THYSSENKRUPP UHDE CHLORINE ENGINEERS (JAPAN) LTD., TOSOH CORPORATION
    Inventors: Terumi HASHIMOTO, Koji KAWANISHI, Fumio SADAHIRO, Shota SHINOHARA, Sachio KANEKO
  • Publication number: 20150122641
    Abstract: Provided are an elastic cushion member and an ion exchange membrane electrolyzer using the same, which elastic cushion member can be installed even in an ion exchange membrane electrolyzer having such a small gap between an electrode and an electrode current collecting plate that a conventional elastic cushion member cannot be arranged therein. An elastic cushion member (10) has a pair of corrosion-resistant metal thin plates (11) arranged at a distance in parallel fashion and a fixing member (12) which fixes the pair of corrosion-resistant metal thin plates (11) and comprises a metal elastic body (13) wound between the pair of corrosion-resistant metal thin plates (11). The fixing member (12) is attached to the pair of corrosion-resistant metal thin plates (11) in a manner that enables detachment of the fixing member therefrom. The metal elastic body (13) is preferred to be a metal coil body.
    Type: Application
    Filed: May 30, 2013
    Publication date: May 7, 2015
    Applicant: CHLORINE ENGINEERS CORP., LTD.
    Inventors: Yoshiyuki Kodama, Koji Kawanishi
  • Patent number: 7087248
    Abstract: A medical component comprising a human parathyroid hormone peptide or its derivative, and acetic acid contained at a concentration less than its chemical equivalent with respect to the human parathyroid hormone peptide or to its derivative. Since in the medical component acetic acid, which is present as a salt of or attached to the peptide or its derivative, has been reduced to an amount less than chemical equivalent with respect to the human parathyroid hormone peptide or its derivative, a medical component, which is highly stable and will ensure an excellent use feeling when introduced into a pharmaceutical composition, is obtained.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: August 8, 2006
    Assignee: Daiichi Asubio Pharma Co., Ltd.
    Inventors: Yoshiharu Minamitake, Tetsu Ono, Koji Kawanishi, Yuji Suzuki
  • Publication number: 20050107292
    Abstract: A medical component comprising a human parathyroid hormone peptide or its derivative, and acetic acid contained at a concentration less than its chemical equivalent with respect to the human parathyroid hormone peptide or to its derivative. Since in the medical component acetic acid, which is present as a salt of or attached to the peptide or its derivative, has been reduced to an amount less than chemical equivalent with respect to the human parathyroid hormone peptide or its derivative, a medical component, which is highly stable and will ensure an excellent use feeling when introduced into a pharmaceutical composition, is obtained.
    Type: Application
    Filed: June 29, 2001
    Publication date: May 19, 2005
    Inventors: Yoshiharu Minamitake, Tetsu Ono, Koji Kawanishi, Yuji Suzuki
  • Patent number: 6177745
    Abstract: In a permanent magnet rotor type electric motor in which a permanent magnet is embedded in a rotor, a permanent magnet used for a magnetic pole of one polarity in a rotor core and another permanent magnet used for a magnetic pole of the other polarity have different configurations and materials from each other, so that the selecting range for the magnetic flux density and the reluctance torque of the permanent magnet rotor type electric motor can be increased.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: January 23, 2001
    Assignee: Fujitsu General Limited
    Inventors: Kenji Narita, Takashi Suzuki, Hiroyuki Okudera, Yuji Kawai, Yuji Souma, Koji Kawanishi, Yoshichika Fukuda
  • Patent number: 6025667
    Abstract: In an electric motor, such as a DC brushless motor or the like, having a permanent magnet in a rotor, each magnetic pole is formed of three permanent magnets, and the permanent magnets are made of at least two kinds of magnetic materials represented by ferrite magnet and rare-earth magnet. Thus, in a permanent magnet rotor type electric motor, a reluctance torque and a magnetic flux density can be selectively established, and cost is reasonable, corresponding to the quality.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: February 15, 2000
    Assignee: Fujitsu General Limited
    Inventors: Kenji Narita, Takashi Suzuki, Hiroyuki Okudera, Yuji Kawai, Yuji Souma, Koji Kawanishi, Yoshichika Fukuda
  • Patent number: 5990593
    Abstract: A permanent magnet rotor type electric motor is formed of a stator core generating a rotation magnetic field, and a rotor core rotationally situated inside the stator core. The rotor core includes a first core member for generating a magnet torque, permanent magnets embedded in the first core member for forming magnetic poles, and a second core member for generating a reluctance torque without having a permanent magnet therein. The second core member is coaxially united with the first core member so that the rotor core is divided into the first core member for generating the magnet torque and the second core member for generating the reluctance torque.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: November 23, 1999
    Assignee: Fujitsu General Limited
    Inventors: Kenji Narita, Takashi Suzuki, Hiroyuki Okudera, Yuji Kawai, Yuji Souma, Koji Kawanishi, Yoshichika Fukuda
  • Patent number: 5962944
    Abstract: In a permanent magnet rotor type electric motor having a stator core generating a rotation magnetic field and provided therein with a rotor core in which each magnetic pole is formed by a permanent magnet, the rotor core is fabricated by coaxially and unitedly joining a first core member and a second core member, in which a first permanent magnet of a predetermined cross-section shape is embedded per magnetic pole in the first core member, and a second permanent magnet which is made of a different material and has a different cross-section shape from those of the first permanent magnet is embedded per magnetic pole in the second core member, thereby achieving the permanent magnet rotor type electric motor having the performance and size appropriate for the intended use.
    Type: Grant
    Filed: October 20, 1998
    Date of Patent: October 5, 1999
    Assignee: Fujitsu General Limited
    Inventors: Kenji Narita, Takashi Suzuki, Hiroyuki Okudera, Yuji Kawai, Yuji Souma, Koji Kawanishi, Yoshichika Fukuda