Patents by Inventor Yuuji Yamagishi

Yuuji Yamagishi 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).

  • Blade block of a hair cutter
    Patent number: 6490798
    Abstract: A blade block of a hair cutter including a fixed blade, a movable blade reciprocating with respect to the fixed blade, and a blade base to which the fixed blade and the movable blade are attached. The fixed blade and the movable blade are assembled with a reciprocating guide unit into a blade unit. The reciprocating guide unit guides the movable blade to reciprocate with respect to the fixed blade. The blade block include an insertion opening. A mounting unit is provided to mount the blade unit to the blade base by inserting the blade unit into the insertion opening so that a cutting edge is exposed to the outside of the blade block.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: December 10, 2002
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Kazuhiro Morisugi, Yuuji Yamagishi
  • Blade block of a hair cutter
    Publication number: 20010009068
    Abstract: A blade block of a hair cutter including a fixed blade, a movable blade reciprocating with respect to the fixed blade, and a blade base to which the fixed blade and the movable blade are attached. The fixed blade and the movable blade are assembled with a reciprocating guide unit into a blade unit. The reciprocating guide unit guides the movable blade to reciprocate with respect to the fixed blade. The blade block include an insertion opening. A mounting unit is provided to mount the blade unit to the blade base by inserting the blade unit into the insertion opening so that a cutting edge is exposed to the outside of the blade block.
    Type: Application
    Filed: January 25, 2001
    Publication date: July 26, 2001
    Applicant: MATSUSHITA ELECTRIC WORKS, Ltd.
    Inventors: Kazuhiro Morisugi, Yuuji Yamagishi