Patents by Inventor Akira Fukusima

Akira Fukusima 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).

  • Optical apparatus
    Patent number: 5404190
    Abstract: In an optical apparatus having a group of contacts for electrical connection with another apparatus, a plurality of contacts for communication are disposed between a power-supply contact and a grounding contact; the power-supply and grounding contacts are spaced at a larger distance away from adjoining communication contacts than the spacing distance provided between communication contacts; the group of contacts are electrically connected by spring members to patterns formed on a contact substrate; and the width of patterns provided for the power-supply and grounding contacts is arranged to be wider than the width of patterns for the communication contacts.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: April 4, 1995
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takahiro Kohno, Hitoshi Narita, Akira Fukusima
  • Optical apparatus
    Patent number: 5177520
    Abstract: In an optical apparatus having a group of contacts for electrical connection with another apparatus, a plurality of contacts for communication are disposed between a power-supply contact and a grounding contact; the power-supply and grounding contacts are spaced at a larger distance away from adjoining communication contacts than the spacing distance provided between communication contacts; the group of contacts are electrically connected by spring members to patterns formed on a contact substrate; and the width of patterns provided for the power-supply and grounding contacts is arranged to be wider than the width of patterns for the communication contacts.
    Type: Grant
    Filed: May 22, 1992
    Date of Patent: January 5, 1993
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takahiro Kohno, Hitoshi Narita, Akira Fukusima