Patents by Inventor Yonosuke Iwai

Yonosuke Iwai 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).

  • Electric shaver
    Patent number: D268371
    Type: Grant
    Filed: December 24, 1980
    Date of Patent: March 22, 1983
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Yonosuke Iwai, Takeshi Takagi
  • Hair dryer
    Patent number: D289566
    Type: Grant
    Filed: March 4, 1985
    Date of Patent: April 28, 1987
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Kazuyoshi Yonezawa, Kuniharu Ichikawa, Yonosuke Iwai
  • Electric shaver casing
    Patent number: D295564
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: May 3, 1988
    Assignee: Matsushita Electric Works, Ltd.
    Inventor: Yonosuke Iwai
  • Hair clipper casing
    Patent number: D295682
    Type: Grant
    Filed: May 16, 1986
    Date of Patent: May 10, 1988
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Yonosuke Iwai, Kazuyoshi Yonesawa
  • Combined electric drill and screwdriver
    Patent number: D296655
    Type: Grant
    Filed: February 5, 1986
    Date of Patent: July 12, 1988
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Kazuyoshi Yonezawa, Yonosuke Iwai, Florian Seiffert
  • Motor-driven screw driver
    Patent number: D301496
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: June 6, 1989
    Assignee: Matsushita Electric Works
    Inventors: Kazuyoshi Yonesawa, Yonosuke Iwai
  • Electric shaver
    Patent number: D302740
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: August 8, 1989
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Yonosuke Iwai, Kazuyoshi Yonesawa
  • Electric shaver
    Patent number: D304774
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: November 21, 1989
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Kazuyoshi Yonesawa, Yonosuke Iwai, Florian Seiffert