Patents by Inventor Kuniaki Nagahara

Kuniaki Nagahara 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).

  • Power supply apparatus
    Patent number: D442913
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: May 29, 2001
    Assignee: Cosel Co., Ltd.
    Inventors: Kuniaki Nagahara, Tatsuya Mano, Katsuhiro Koizumi, Toshihisa Miura
  • Power supply apparatus
    Patent number: D442914
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: May 29, 2001
    Assignee: Cosel Co., Ltd.
    Inventors: Kuniaki Nagahara, Tatsuya Mano, Katsuhiro Koizumi, Toshihisa Miura
  • Power supply apparatus
    Patent number: D478309
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: August 12, 2003
    Assignee: Cosel Co., Ltd.
    Inventors: Kuniaki Nagahara, Tatsuya Mano, Katsuhiro Koizumi, Toshihisa Miura
  • Power supply apparatus
    Patent number: D427968
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: July 11, 2000
    Assignee: Cosel Co., Ltd.
    Inventors: Kuniaki Nagahara, Toshio Watanabe, Masaharu Maesaka
  • Power supply apparatus
    Patent number: D428388
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: July 18, 2000
    Assignee: Cosel Co., Ltd.
    Inventors: Kuniaki Nagahara, Toshio Watanabe, Masaharu Maesaka
  • Power supply apparatus
    Patent number: D428851
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: August 1, 2000
    Assignee: Cosel Co., Ltd.
    Inventors: Kuniaki Nagahara, Toshio Watanabe, Masaharu Maesaka
  • Power supply apparatus
    Patent number: D429214
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: August 8, 2000
    Assignee: Cosel Co., Ltd.
    Inventors: Kuniaki Nagahara, Toshio Watanabe, Masaharu Maesaka