Patents by Inventor Hirofumi Takemasa

Hirofumi Takemasa 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: 5373142
    Abstract: A control control system for a heating apparatus such as a microwave oven. Manipulation, that is, selection of one of various menus and start of the operation thereof substantially completed by manipulating only one manipulating knob without using keys which are widely distributed on a manipulation panel, consequently, it is possible to simplify selection of a menu.
    Type: Grant
    Filed: May 28, 1993
    Date of Patent: December 13, 1994
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kohshou Ohshima, Masanori Harima, Tomoyuki Kawase, Tomokazu Itoh, Nobuo Sekino, Hirofumi Takemasa, Kiyoaki Konno, Kensuke Mizuma
  • Patent number: D350346
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: September 6, 1994
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hirofumi Takemasa, Eiichiro Naito, Hiroyuki Maeno, Tadakazu Narikawa, Junichi Yamada
  • Patent number: D354485
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: January 17, 1995
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyuki Maeno, Mitsuru Takami, Hirofumi Takemasa, Eiichiro Naito