Patents by Inventor Takayasu Nagao

Takayasu Nagao 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: D509197
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: September 6, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tatsuyoshi Asawa, Takashi Inoue, Takayasu Nagao
  • Patent number: D513414
    Type: Grant
    Filed: April 28, 2004
    Date of Patent: January 3, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takayasu Nagao, Mitsuru Takami
  • Patent number: D483020
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: December 2, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takayasu Nagao, Tatsuyoshi Asawa, Seigo Takahashi
  • Patent number: D488819
    Type: Grant
    Filed: May 27, 2003
    Date of Patent: April 20, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Takayasu Nagao, Seigo Takahashi
  • Patent number: D491151
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: June 8, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Takayasu Nagao
  • Patent number: D492291
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: June 29, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Seigo Takahashi, Tatsuyoshi Asawa, Takayasu Nagao
  • Patent number: D492673
    Type: Grant
    Filed: November 27, 2002
    Date of Patent: July 6, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Tatsuyoshi Asawa, Takayasu Nagao, Takashi Inoue
  • Patent number: D407097
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: March 23, 1999
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kiyoshi Suzuki, Takayasu Nagao