Patents by Inventor Tadahisa Sawano

Tadahisa Sawano 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).

  • Electronic calculator
    Patent number: D507293
    Type: Grant
    Filed: April 26, 2004
    Date of Patent: July 12, 2005
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Makoto Matsuda, Tadahisa Sawano
  • Cash register
    Patent number: D454150
    Type: Grant
    Filed: August 1, 2001
    Date of Patent: March 5, 2002
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Atsushi Shigemura, Tadahisa Sawano
  • Electronic calculator
    Patent number: D488500
    Type: Grant
    Filed: March 11, 2003
    Date of Patent: April 13, 2004
    Assignee: Casio Computer Co., Ltd.
    Inventors: Makoto Matsuda, Kenji Takahata, Tadahisa Sawano
  • Projector
    Patent number: D498249
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: November 9, 2004
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Atsushi Shigemura, Yo Wada, Tadahisa Sawano, Shuji Shibuki
  • Projector
    Patent number: D499753
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: December 14, 2004
    Assignee: Casio Keisanki Kabushiki Kaisha
    Inventors: Atsushi Shigemura, Yo Wada, Tadahisa Sawano, Shuji Shibuki
  • Electronic calculator
    Patent number: D317935
    Type: Grant
    Filed: November 28, 1988
    Date of Patent: July 2, 1991
    Assignee: Casio Computer Co., Ltd.
    Inventor: Tadahisa Sawano
  • Electronic label printer
    Patent number: D356817
    Type: Grant
    Filed: July 8, 1993
    Date of Patent: March 28, 1995
    Assignee: Casio Computer Co., Ltd.
    Inventors: Yuichi Onumata, Tadahisa Sawano, Takashi Yatabe
  • Cartridge for a video game machine with seal printer
    Patent number: D375304
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: November 5, 1996
    Assignee: Casio Computer Co., Ltd.
    Inventors: Kenji Takahata, Tadahisa Sawano
  • Video game machine with seal printer
    Patent number: D375981
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: November 26, 1996
    Assignee: Casio Computer Co., Ltd.
    Inventors: Kenji Takahata, Tadahisa Sawano
  • Combined pager, telephone dialer and electronic calculator having the functions of telephone book, address book, calendar, schedule book and memo book
    Patent number: D379181
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: May 13, 1997
    Assignee: Casio Computer Co., Ltd.
    Inventors: Tadahisa Sawano, Haruki Ota