Patents by Inventor Tsutomi Ikeda

Tsutomi Ikeda 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: 5418771
    Abstract: An information processing apparatus includes first, second and third upper electrodes provided on a first substrate, and first, second and third lower electrodes provided on a second substrate opposed to the first, second and third upper electrodes, respectively. Also provided are first, second and third detectors for detecting a first capacitance between the first upper and lower electrodes, a second capacitance between the second upper and lower electrodes and a third capacitance between the third upper and lower electrodes.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: May 23, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuji Kasanuki, Katsunori Hatanaka, Toshihiko Miyazaki, Kunihiro Sakai, Haruki Kawada, Tsutomi Ikeda, Ryo Kuroda, Takehiko Kawasaki, Akihiko Yamano, Masahiro Tagawa