Patents by Inventor Takenori Matsunaga

Takenori Matsunaga 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: 6796708
    Abstract: A wrist mountable electronic apparatus has a strap member having a pair of strap portions. Each of the strap portions has an end disposed in spaced-apart relation to the other so that inner peripheral surfaces of the ends of the strap portions form a hole having a first open end and a second open end opposite the first open end. Each of the inner peripheral surfaces of the strap portions has a stepped portion. A portable electronic apparatus is disposed in the hole of the strap member. A glass member is supported on the stepped portion of each of the strap portions for closing the first open end of the hole. A connecting structure free of adhesive connects the glass member to each of the strap portions. A waterproof member is disposed directly between only the glass member and the strap member for providing a watertight seal therebetween. A rear cover covers the second open end of the hole.
    Type: Grant
    Filed: March 4, 2003
    Date of Patent: September 28, 2004
    Assignee: Seiko Instruments Inc.
    Inventors: Hiroshi Kawamata, Takenori Matsunaga, Hiroshi Igarashi
  • Publication number: 20030174589
    Abstract: To provide a glass member fixing structure preventing detachment of a glass member caused by stress concentration by opening and closing a strap and guaranteeing a waterproof property of a case in a wrist mounting type portable apparatus having a case integrated type bangle type strap. A glass member is fitted to an upper side opening after containing a portable apparatus to a predetermined location of a case hole and containing a rubber packing to a packing groove. Then, a lower face of the glass member is seated on a stepped portion of the case hole, fitting projections at a peripheral edge thereof are fitted to respectively bite fitting grooves of the case hole and thereby, the glass member is fixed to a case integrated type bangle type strap. Further, waterproof property of the upper side opening of the case hole is guaranteed by the rubber packing.
    Type: Application
    Filed: March 4, 2003
    Publication date: September 18, 2003
    Inventors: Hiroshi Kawamata, Takenori Matsunaga, Hiroshi Igarashi