Patents by Inventor Nobuhiko Karafuji

Nobuhiko Karafuji 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).

  • Printing machine
    Patent number: D460981
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: July 30, 2002
    Assignees: Ryobi Ltd., Presstek, Inc.
    Inventors: Yuichirou Tachibana, Nobuhiko Karafuji, Hideo Aoyama
  • Portable electric hammer drill
    Patent number: D341533
    Type: Grant
    Filed: April 2, 1992
    Date of Patent: November 23, 1993
    Assignee: Ryobi Ltd.
    Inventors: Nobuhiko Karafuji, Masakazu Sakamoto
  • Offset printing machine
    Patent number: D353833
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: December 27, 1994
    Assignee: Ryobi, Ltd.
    Inventors: Nobuhiko Karafuji, Hideo Aoyama
  • Offset printing machine
    Patent number: D357499
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: April 18, 1995
    Assignee: Ryobi, Ltd.
    Inventors: Nobuhiko Karafuji, Hideo Aoyama
  • Offset printing machine
    Patent number: D357934
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: May 2, 1995
    Assignee: Ryobi Ltd.
    Inventors: Nobuhiko Karafuji, Hideo Aoyama
  • Drilling machine
    Patent number: D359056
    Type: Grant
    Filed: June 2, 1994
    Date of Patent: June 6, 1995
    Assignee: Ryobi, Ltd.
    Inventors: Nobuhiko Karafuji, Katsutoshi Kouchiyama, Shinji Iwamoto
  • Printing machine
    Patent number: D363735
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: October 31, 1995
    Assignee: Ryobi, Ltd.
    Inventors: Nobuhiko Karafuji, Takahiko Shinmoto
  • Offset printing machine
    Patent number: D373790
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: September 17, 1996
    Assignee: Ryobi Limited
    Inventors: Nobuhiko Karafuji, Toshiyuki Miyake
  • Offset printing machine
    Patent number: D378831
    Type: Grant
    Filed: September 1, 1995
    Date of Patent: April 15, 1997
    Assignee: Ryobi Limited
    Inventors: Nobuhiko Karafuji, Katsushi Hirokawa
  • Offset printing machine
    Patent number: D405108
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: February 2, 1999
    Assignee: Ryobi Ltd.
    Inventors: Nobuhiko Karafuji, Takashi Iwamoto, Mikio Yamaoka
  • Printing machine
    Patent number: D412525
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: August 3, 1999
    Assignee: Ryobi Ltd.
    Inventors: Yuichiro Tachibana, Nobuhiko Karafuji, Katsushi Hirokawa, Sigeo Fujiwara
  • Printing machine
    Patent number: D416283
    Type: Grant
    Filed: August 10, 1998
    Date of Patent: November 9, 1999
    Assignee: Ryobi, Ltd.
    Inventors: Makoto Yamashita, Nobuhiko Karafuji, Takashi Iwamoto
  • Hole puncher for printing plate
    Patent number: D420019
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: February 1, 2000
    Assignee: Ryobi Ltd.
    Inventors: Yuichiro Tachibana, Nobuhiko Karafuji, Hideki Dohmoto