Patents by Inventor Hiromichi Izushima

Hiromichi Izushima 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).

  • Cap for writing instrument
    Patent number: D373383
    Type: Grant
    Filed: August 15, 1995
    Date of Patent: September 3, 1996
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D377664
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: January 28, 1997
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Cap for a writing instrument
    Patent number: D387803
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: December 16, 1997
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Composite writing instrument
    Patent number: D387804
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: December 16, 1997
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Cap for a writing instrument
    Patent number: D391294
    Type: Grant
    Filed: April 29, 1997
    Date of Patent: February 24, 1998
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D394455
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: May 19, 1998
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Cap for a writing instrument
    Patent number: D394457
    Type: Grant
    Filed: September 22, 1997
    Date of Patent: May 19, 1998
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D394875
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: June 2, 1998
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D395447
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: June 23, 1998
    Assignee: Kotobuki & Co., Inc.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D397150
    Type: Grant
    Filed: December 11, 1997
    Date of Patent: August 18, 1998
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D397723
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: September 1, 1998
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D398643
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: September 22, 1998
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D402695
    Type: Grant
    Filed: March 11, 1998
    Date of Patent: December 15, 1998
    Assignee: Kotobuki & Co., Ltd.
    Inventor: Hiromichi Izushima
  • Writing instrument
    Patent number: D403705
    Type: Grant
    Filed: January 16, 1998
    Date of Patent: January 5, 1999
    Assignees: Kotobuki & Co., Ltd., BIC Corporation
    Inventors: Hiromichi Izushima, Gary Prushansky