Patents by Inventor Kouichi Namimatsu

Kouichi Namimatsu 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).

  • Communications apparatus and plug-in unit
    Patent number: 6552915
    Abstract: A telecommunications apparatus 10 includes a sub-rack unit 15 and a plurality of plug-in units inserted from a front side of the sub-rack unit 15 in a Y1 direction and mounted in the sub-rack unit 15. The plug-in unit 16 includes a plug-in unit main body and an aluminum case 41 that covers so as to envelope the plug-in unit main body. An intermediate guide rail member 22 is inserted from the front of the sub-rack unit 15 and mounted by tightening a lock bolt member similarly inserted from the front of the sub-rack unit 13.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: April 22, 2003
    Assignees: Fujitsu Limited, Fujitsu Denso Limited
    Inventors: Tsutomu Takahashi, Hisao Hayashi, Mitsuo Kaetsu, Shiro Tani, Hideki Zenitani, Kouichi Namimatsu, Masato Konishi
  • Communications apparatus and plug-in unit
    Publication number: 20020006026
    Abstract: A telecommunications apparatus 10 includes a sub-rack unit 15 and a plurality of plug-in units inserted from a front side of the sub-rack unit 15 in a Y1 direction and mounted in the sub-rack unit 15. The plug-in unit 16 includes a plug-in unit main body and an aluminum case 41 that covers so as to envelope the plug-in unit main body. An intermediate guide rail member 22 is inserted from the front of the sub-rack unit 15 and mounted by tightening a lock bolt member similarly inserted from the front of the sub-rack unit 13.
    Type: Application
    Filed: August 30, 2001
    Publication date: January 17, 2002
    Inventors: Tsutomu Takahashi, Hisao Hayashi, Mitsuo Kaetsu, Shiro Tani, Hideki Zenitani, Kouichi Namimatsu, Masato Konishi
  • Subrack device
    Patent number: 5602723
    Abstract: This invention relates to a subrack device applicable for an SDH network, and more particularly to a subrack device which can be produced flexibly in response to a customer's need. The subrack device has a subrack body commonly used regardless of a type of the subrack device. The subrack body has a circuit-board-unit housing portion and an outer-connecting-board mounting portion. Circuit boards and outer-connecting-board connecting-boards of different types are prepared. The outer-connecting-board mounting portion has a plurality of outer-connecting-board mounting territories. The outer-connecting-boards are plugged in the outer-connecting-board mounting territories to produce the subrack device meeting the customer's need.
    Type: Grant
    Filed: October 19, 1995
    Date of Patent: February 11, 1997
    Assignee: Fujitsu Limited
    Inventors: Tsutomu Takahashi, Hiroshi Yamaji, Hisao Hayashi, Shigeru Amagasa, Takashi Sato, Tomoyuki Hongoh, Tetsuya Takahashi, Kouichi Namimatsu, Kazuaki Kashiwada, Kenji Joukou, Tetsuya Murayama