Patents by Inventor Naohiro Hamao

Naohiro Hamao 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).

  • Battery pack
    Patent number: 7597994
    Abstract: An outer case (10, 20, 35, 40) for housing a rechargeable battery (1, 31, 41) and a battery circuit therein is composed of an upper case (7, 21, 42) and a lower case (8, 22, 43), each being formed as a half-shell body. The respective bottom faces of the upper case (7, 21, 42) and the lower case (8, 22, 43) are formed of film members (7b, 8b, 32, 34, 42b, 43b), and are integrally formed with resin moldings (7a, 8a, 33, 42c, 43c) forming circumferential side faces.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: October 6, 2009
    Assignee: Panasonic Corporation
    Inventors: Katsumi Kozu, Koichi Inaba, Iichiro Mori, Koici Toriyama, Naohiro Hamao, Tadashi Watanabe
  • Battery pack
    Publication number: 20050164080
    Abstract: An outer case (10, 20, 35, 40) for housing a rechargeable battery (1, 31, 41) and a battery circuit therein is composed of an upper case (7, 21, 42) and a lower case (8, 22, 43), each being formed as a half-shell body. The respective bottom faces of the upper case (7, 21, 42) and the lower case (8, 22, 43) are formed of film members (7b, 8b, 32, 34, 42b, 43b), and are integrally formed with resin moldings (7a, 8a, 33, 42c, 43c) forming circumferential side faces.
    Type: Application
    Filed: December 2, 2002
    Publication date: July 28, 2005
    Inventors: Katsumi Kozu, Koichi Inaba, Iichiro Mori, Koici Toriyama, Naohiro Hamao, Tadashi Watanabe
  • Battery pack
    Patent number: D376579
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: December 17, 1996
    Assignees: Black & Decker Inc., Matsushita Electric Industrial Co., Ltd.
    Inventors: Roderick F. Bunyea, Naohiro Hamao, Alfred H. Judge, Robert I. Somers, Dale K. Wheeler
  • Battery pack contact end
    Patent number: D401901
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: December 1, 1998
    Assignees: Black & Decker Inc., Matsushita Electric Industrial Co., Ltd.
    Inventors: Roderick F. Bunyea, Naohiro Hamao, Alfred H. Judge, Robert I. Somers, Dale K. Wheeler
  • End cap for a battery pack
    Patent number: D418811
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: January 11, 2000
    Assignee: Black & Decker Inc.
    Inventors: Roderick F. Bunyea, Naohiro Hamao, Alfred H. Judge, Robert I. Somers, Dale K. Wheeler