Patents by Inventor Rika Tezuchi

Rika Tezuchi 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).

  • Projector
    Patent number: D500070
    Type: Grant
    Filed: November 25, 2003
    Date of Patent: December 21, 2004
    Assignee: NEC Viewtechnology, Ltd.
    Inventors: Toshiyuki Yamaguchi, Takayuki Okamoto, Naoto Fukasawa, Rika Tezuchi
  • Ballpoint pen
    Patent number: D593606
    Type: Grant
    Filed: January 10, 2008
    Date of Patent: June 2, 2009
    Assignee: Pentel Kabushiki Kausha
    Inventors: Shigeo Oka, Rika Tezuchi, Etsuyo Yamada
  • Steam iron
    Patent number: D360509
    Type: Grant
    Filed: May 5, 1994
    Date of Patent: July 18, 1995
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Masakatsu Maeda, Rika Tezuchi