Patents by Inventor Naomichi Akimoto

Naomichi Akimoto 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: 7855023
    Abstract: A fuel cell (stack or a single cell) includes a cell module to which an aging process that progresses initial creep has been applied such that creep during use is reduced compared with a cell module to which the aging process has not been applied. A manufacturing method of a fuel cell (stack or a single cell) includes an aging step for progressing through initial creep by applying at least a compression load to a cell module.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: December 21, 2010
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Naomichi Akimoto
  • Publication number: 20100173207
    Abstract: A fuel cell (stack or a single cell) includes a cell module to which an aging process that progresses initial creep has been applied such that creep during use is reduced compared with a cell module to which the aging process has not been applied. A manufacturing method of a fuel cell (stack or a single cell) includes an aging step for progressing through initial creep by applying at least a compression load to a cell module.
    Type: Application
    Filed: March 17, 2010
    Publication date: July 8, 2010
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Naomichi AKIMOTO
  • Publication number: 20090087717
    Abstract: A fuel cell (stack or a single cell) includes a cell module to which an aging process that progresses initial creep has been applied such that creep during use is reduced compared with a cell module to which the aging process has not been applied. A manufacturing method of a fuel cell (stack or a single cell) includes an aging step for progressing through initial creep by applying at least a compression load to a cell module.
    Type: Application
    Filed: April 12, 2006
    Publication date: April 2, 2009
    Inventor: Naomichi Akimoto
  • Patent number: 7494731
    Abstract: In a fuel cell power generation system that includes a fuel cell that generates power by an electrochemical reaction with a supply of a fuel gas and an oxide gas, a control portion that controls the amount of power generated by the fuel cell, and a hot portion that is hot while the system is operating, the control portion and the hot portion are disposed separated from one another in the same package. Accordingly, even though the control portion and the hot portion are housed within the same main package, the control portion is not easily effected by the hot portion while the system is operating because it is separated from the hot portion. As a result, the control portion is able to perform its function well.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: February 24, 2009
    Assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha
    Inventors: Nobuki Hattori, Naomichi Akimoto, Takeshi Masui, Shigenori Onuma, Takashi Ishikawa
  • Publication number: 20030143447
    Abstract: The power generation mode of fuel cells included in a fuel cells power generation system, the quantity of power generation by the fuel cells, the working power used for a load, the amount of hot water kept in a hot water tank, the time, the occurrence of an abnormality in the system, and a request for regular inspection are displayed on a display unit of an operation display panel as numerical values and stepwise-variable graphical expression representing variations in quantity. The user is accordingly informed of the current driving conditions of the system and the working power used for the load, and sets the power generation mode of the fuel cells based on these pieces of information. This enables the user to adequately and readily control the operations of the system.
    Type: Application
    Filed: January 31, 2003
    Publication date: July 31, 2003
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Naomichi Akimoto, Takeshi Masui, Koichiro Hara, Nobuki Hattori, Osamu Nakanishi, Shiroh Yamasaki, Yasuhito Noguchi
  • Publication number: 20030138688
    Abstract: In a fuel cell power generation system that includes a fuel cell that generates power by an electrochemical reaction with a supply of a fuel gas and an oxide gas, a control portion that controls the amount of power generated by the fuel cell, and a hot portion that is hot while the system is operating, the control portion and the hot portion are disposed separated from one another in the same package. Accordingly, even though the control portion and the hot portion are housed within the same main package, the control portion is not easily effected by the hot portion while the system is operating because it is separated from the hot portion. As a result, the control portion is able to perform its function well.
    Type: Application
    Filed: December 23, 2002
    Publication date: July 24, 2003
    Inventors: Nobuki Hattori, Naomichi Akimoto, Takeshi Masui, Shigenori Onuma, Takashi Ishikawa