Patents by Inventor Akira Kotaki

Akira Kotaki 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: 10511066
    Abstract: A battery pack cooling system includes a plurality of cells disposed in an internal space of a battery pack case so as to form a cooling passage configured to cool the cell modules by cooling air flowing in the cooling passage. The cooling passage includes a cooling air inlet passage, a cooling air exhaust passage, and a plurality of cooling branch passages disposed to connect the cooling air inlet passage and the cooling air exhaust passage in parallel. A minimum temperature sensor is disposed in the upstream position to measure a lowest temperature region in a first cell module. A maximum temperature sensor is disposed in the downstream position which becomes a highest temperature region in the first cell module. Another temperature sensor is disposed in a second cell module to measure the temperature of either the highest temperature or the lowest temperature in the second cell module.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: December 17, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Toyoki Iguchi, Hiroaki Hashimoto, Masayoshi Saeki, Hiroaki Saitou, Shigeyuki Kiyota, Yoshiyuki Tanaka, Hiroshi Iwata, Hiroshi Hoshi, Akira Kotaki, Nayuta Yamachi, Toshiyuki Yoshida, Chikara Kikkawa, Takeshi Haga
  • Publication number: 20190173135
    Abstract: A battery pack cooling system includes a plurality of cells disposed in an internal space of a battery pack case so as to form a cooling passage configured to cool the cell modules by cooling air flowing in the cooling passage. The cooling passage includes a cooling air inlet passage, a cooling air exhaust passage, and a plurality of cooling branch passages disposed to connect the cooling air inlet passage and the cooling air exhaust passage in parallel. A minimum temperature sensor is disposed in the upstream position to measure a lowest temperature region in a first cell module. A maximum temperature sensor is disposed in the downstream position which becomes a highest temperature region in the first cell module. Another temperature sensor is disposed in a second cell module to measure the temperature of either the highest temperature or the lowest temperature in the second cell module.
    Type: Application
    Filed: February 7, 2019
    Publication date: June 6, 2019
    Inventors: Toyoki IGUCHI, Hiroaki HASHIMOTO, Masayoshi SAEKI, Hiroaki SAITOU, Shigeyuki KIYOTA, Yoshiyuki TANAKA, Hiroshi IWATA, Hiroshi HOSHI, Akira KOTAKI, Nayuta YAMACHI, Toshiyuki YOSHIDA, Chikara KIKKAWA, Takeshi HAGA
  • Patent number: 10249913
    Abstract: A battery pack cooling system includes a plurality of cells disposed in an internal space of a battery pack case so as to form a cooling passage configured to cool the cell modules by cooling air flowing in the cooling passage. A first temperature sensor is a minimum temperature sensor disposed in the upstream position which becomes a lowest temperature. A second temperature sensor is a maximum temperature sensor disposed in the downstream position which becomes a highest temperature. A third temperature sensor is configured to measure the temperature of either the highest temperature or the lowest temperature disposed in a second cell module. A cooling passage includes a cooling air inlet passage, a cooling air exhaust passage, and a plurality of cooling branch passages disposed to connect the cooling air inlet passage and the cooling air exhaust passage in parallel.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: April 2, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Toyoki Iguchi, Hiroaki Hashimoto, Masayoshi Saeki, Hiroaki Saitou, Shigeyuki Kiyota, Yoshiyuki Tanaka, Hiroshi Iwata, Hiroshi Hoshi, Akira Kotaki, Nayuta Yamachi, Toshiyuki Yoshida, Chikara Kikkawa, Takeshi Haga
  • Patent number: 9627151
    Abstract: An electrical storage module in which a plurality of electricity storage elements are electrically connected by conductive member, includes: a voltage detection board having voltage detection conductor that detects terminal voltage of the electricity storage element; a first external threaded component that connects the voltage detection conductor of the voltage detection board to the conductive member; and a cover that covers the voltage detection board; wherein: the cover is made from an insulating material; the conductive member has a first internal threaded portion into which the first external threaded component is to be screwingly engaged; and the distance between the inside surface of the cover that faces a head portion of the first external threaded component and an upper surface of the head portion of the first external threaded component is shorter than the distance between an end portion of the first internal threaded portion towards the cover side and an end of shaft portion of the first external
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: April 18, 2017
    Assignees: Hitachi Automotive Systems, Ltd., Nissan Motor Co., Ltd.
    Inventors: Eisuke Sengoku, Toshikazu Maeshima, Hiroshi Hoshi, Akira Kotaki, Shigeyuki Kiyota, Yoshiyuki Tanaka, Toyoki Iguchi, Hiroaki Saitou, Masayoshi Saeki
  • Publication number: 20160204478
    Abstract: A battery pack cooling system includes a plurality of cells disposed in an internal space of a battery pack case so as to form a cooling passage configured to cool the cell modules by cooling air flowing in the cooling passage. A first temperature sensor is a minimum temperature sensor disposed in the upstream position which becomes a lowest temperature. A second temperature sensor is a maximum temperature sensor disposed in the downstream position which becomes a highest temperature. A third temperature sensor is configured to measure the temperature of either the highest temperature or the lowest temperature disposed in a second cell module. A cooling passage includes a cooling air inlet passage, a cooling air exhaust passage, and a plurality of cooling branch passages disposed to connect the cooling air inlet passage and the cooling air exhaust passage in parallel.
    Type: Application
    Filed: July 24, 2014
    Publication date: July 14, 2016
    Applicants: NISSAN MOTOR CO., LTD., HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Toyoki IGUCHI, Hiroaki HASHIMOTO, Masayoshi SAEKI, Hiroaki SAITOU, Shigeyuki KIYOTA, Yoshiyuki TANAKA, Hiroshi IWATA, Hiroshi HOSHI, Akira KOTAKI, Nayuta YAMACHI, Toshiyuki YOSHIDA, Chikara KIKKAWA, Takeshi HAGA
  • Publication number: 20160035497
    Abstract: An electrical storage module in which a plurality of electricity storage elements are electrically connected by conductive member, includes: a voltage detection board having voltage detection conductor that detects terminal voltage of the electricity storage element; a first external threaded component that connects the voltage detection conductor of the voltage detection board to the conductive member; and a cover that covers the voltage detection board; wherein: the cover is made from an insulating material; the conductive member has a first internal threaded portion into which the first external threaded component is to be screwingly engaged; and the distance between the inside surface of the cover that faces a head portion of the first external threaded component and an upper surface of the head portion of the first external threaded component is shorter than the distance between an end portion of the first internal threaded portion towards the cover side and an end of shaft portion of the first external
    Type: Application
    Filed: February 4, 2014
    Publication date: February 4, 2016
    Inventors: Eisuke SENGOKU, Toshikazu MAESHIMA, Hiroshi HOSHI, Akira KOTAKI, Shigeyuki KIYOTA, Yoshiyuki TANAKA, Toyoki IGUCHI, Hiroaki SAITOU, Masayoshi SAEKI
  • Patent number: 4215143
    Abstract: Inositol hexasulfate aluminum and sodium aluminum salts have excellent anti-ulcer, antacid and antipeptic effects. Examination of the action of these compounds on various types of experimental gastric and duodenal ulcers in rats has shown that they have an excellent inhibitory effect on Shay's ulcer, acetic acid ulcer, stress ulcer, cysteamine duodenal ulcer, and aspirin ulcer. In addition, examination of the action of these compounds on the amount of gastric juice secreted, the acidity of gastric juice, and the activity of pepsin in rats has revealed their excellent antacid and antipeptic effects.
    Type: Grant
    Filed: September 7, 1978
    Date of Patent: July 29, 1980
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Zen-ichi Henmi, Akira Kotaki, Takafumi Kitano
  • Patent number: 4207339
    Abstract: Inositol hexasulfate and its alkaline metal salts have excellent anti-ulcer, antacid and antipeptic effects.Examination of the action of these compounds on various types of experimental gastric and duodenal ulcers in rats has shown that they have an excellent inhibitory effect on Shay's ulcer, acetic acid ulcer, stress ulcer, cysteamine duodenal ulcer, and aspirin ulcer. In addition, examination of the action of these compounds on the amount of gastric juice secreted, the acidity of gastric juice, and the activity of pepsin in rats has revealed their excellent antacid and antipeptic effects.
    Type: Grant
    Filed: September 7, 1978
    Date of Patent: June 10, 1980
    Assignee: Mitsui Toatsu Chemicals, Incorporated
    Inventors: Zen-ichi Henmi, Shuichi Arimoto, Akira Kotaki, Takafumi Kitano
  • Patent number: D750557
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: March 1, 2016
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Nayuta Yamachi, Hiroshi Hoshi, Akira Kotaki, Toshiyuki Yoshida, Tsunemi Aiba