Patents by Inventor Toshiaki Tsuruha

Toshiaki Tsuruha 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).

  • Combined dish washing machine and drying machine
    Patent number: D502788
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: March 8, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiaki Tsuruha, Masaru Kobayashi
  • Combined dish washing machine and drying machine
    Patent number: D507384
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: July 12, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiaki Tsuruha, Masaru Kobayashi
  • Combined stapler and pencil sharpener
    Patent number: D512461
    Type: Grant
    Filed: November 15, 2004
    Date of Patent: December 6, 2005
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Toshiaki Tsuruha
  • Pencil sharpener
    Patent number: D543244
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: May 22, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Toshiaki Tsuruha
  • Fluorescent lamp
    Patent number: D544108
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: June 5, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Toshiaki Tsuruha
  • Fluorescent lamp
    Patent number: D544109
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: June 5, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiaki Tsuruha, Shiro Iida
  • Fluorescent lamp
    Patent number: D558904
    Type: Grant
    Filed: September 1, 2006
    Date of Patent: January 1, 2008
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiaki Tsuruha, Shiro Iida
  • Rice cooker
    Patent number: D300598
    Type: Grant
    Filed: March 4, 1986
    Date of Patent: April 11, 1989
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yoshiaki Ueda, Hiroshi Toyoda, Kazunori Mano, Toshiaki Tsuruha, Akinobu Kanza
  • Electric vacuum cleaner
    Patent number: D343931
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: February 1, 1994
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiaki Tsuruha, Takashi Shoji
  • Electric vacuum cleaner
    Patent number: D347500
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: May 31, 1994
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toru Abe, Takashi Shoji, Toshiaki Tsuruha
  • Electric vacuum cleaner
    Patent number: D417046
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: November 23, 1999
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiaki Tsuruha, Takashi Sato
  • Electric vacuum cleaner
    Patent number: D417323
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: November 30, 1999
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kazuhiro Fujita, Toshiaki Tsuruha
  • Electric vacuum cleaner
    Patent number: D426356
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: June 6, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Toshiaki Tsuruha
  • Electric vacuum cleaner
    Patent number: D426357
    Type: Grant
    Filed: August 23, 1999
    Date of Patent: June 6, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiaki Tsuruha, Yukihiro Tsuda
  • Coffee maker
    Patent number: D717091
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: November 11, 2014
    Assignee: Panasonic Corporation
    Inventors: Tomohisa Suzuki, Toshiaki Tsuruha