Patents by Inventor Yuho Ishikawa

Yuho Ishikawa 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: 7361428
    Abstract: The battery apparatus according to the present invention has the structure in which a lid is engaged with a battery storage to cover a storage portion storing a battery unit via a first fixing means employing a simple structure. Further, the battery storage is formed of the frame and a closing unit engaged via a second fixing means only employing a simple structure. Furthermore, since the battery storage, or the lid, or the closing unit is formed of metal; and the thickness thereof is made thinner, the capacity of the storage portion can be increased to the extent of the reduction in the thickness, whereby the amount of electricity can be increased.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: April 22, 2008
    Assignee: Sony Corporation
    Inventors: Kouji Watanabe, Yuho Ishikawa, Hidetoshi Akasawa
  • Publication number: 20050130030
    Abstract: The present invention relates to a battery apparatus used as a power source for a mobile phone unit and other electronic equipment, in which in a storage portion formed by overlapping a battery storage and a lid, a battery unit containing a power-generating element is stored. The battery apparatus according to the present invention includes: the battery unit containing a power-generating element, the battery storage having the storage portion in which the battery unit is stored, and the lid that closes the end of an opening of the storage portion of the battery storage, wherein a first fixing element for enabling the lid to be engaged with the battery storage and fixing the lid to the battery storage is provided.
    Type: Application
    Filed: February 28, 2003
    Publication date: June 16, 2005
    Inventors: Kouji Watanabe, Yuho Ishikawa, Hidetoshi Akasawa
  • Patent number: 4303815
    Abstract: A push button switch assembly includes a combining member comprising an inserting portion into which an operating rod of a push button switch, which is arranged in a cabinet for electronic apparatus, is inserted. An engaging portion of the push button assembly, with which a knob inserted through an opening of a panel is engaged, is also provided and includes elastic connecting portions to connect the inserting portion to the engaging portion. The combining member is formed of synthetic resin. The knob and the operating rod of the push button switch are assembled to each other through the combining member, and they are elastically movable relative to each other in directions normal to the pushing direction of the knob when the push button switch is operated.
    Type: Grant
    Filed: March 19, 1980
    Date of Patent: December 1, 1981
    Assignee: Sony Corporation
    Inventor: Yuho Ishikawa