Patents by Inventor Wataru Iwahashi

Wataru Iwahashi 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).

  • Video tape recorder
    Patent number: D268027
    Type: Grant
    Filed: December 23, 1980
    Date of Patent: February 22, 1983
    Assignee: Sharp Corporation
    Inventors: Hiroshi Takashima, Seiji Usami, Wataru Iwahashi, Hiroshi Ohi
  • Refrigerator
    Patent number: D541828
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: May 1, 2007
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiroshi Nishibori, Toru Makidera, Tomoki Taira, Koji Nishida, Minoru Fujino, Wataru Iwahashi
  • Microwave oven
    Patent number: D281138
    Type: Grant
    Filed: November 15, 1983
    Date of Patent: October 29, 1985
    Assignee: Sharp Corporation
    Inventors: Hiroshi Fujii, Hiroshi Moritani, Wataru Iwahashi, Masakazu Sugiyama
  • Microwave oven
    Patent number: D281139
    Type: Grant
    Filed: November 29, 1983
    Date of Patent: October 29, 1985
    Assignee: Sharp Corporation
    Inventors: Hiroshi Fujii, Hiroshi Moritani, Masakazu Sugiyama, Wataru Iwahashi
  • Electro-magnetic induction heater
    Patent number: D285523
    Type: Grant
    Filed: February 23, 1983
    Date of Patent: September 9, 1986
    Assignee: Sharp Corporation
    Inventors: Isao Ayukawa, Hiroshi Fujii, Masakazu Sugiyama, Wataru Iwahashi
  • Microwave oven
    Patent number: D299107
    Type: Grant
    Filed: December 5, 1985
    Date of Patent: December 27, 1988
    Assignee: Sharp Corporation
    Inventor: Wataru Iwahashi
  • Microwave oven
    Patent number: D300108
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: March 7, 1989
    Assignee: Sharp Corporation
    Inventor: Wataru Iwahashi
  • Microwave oven
    Patent number: D303907
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: October 10, 1989
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Wataru Iwahashi
  • Microwave oven
    Patent number: D305600
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: January 23, 1990
    Assignee: Sharp Corporation
    Inventor: Wataru Iwahashi
  • Microwave oven
    Patent number: D305856
    Type: Grant
    Filed: December 9, 1987
    Date of Patent: February 6, 1990
    Assignee: Sharp Corporation
    Inventor: Wataru Iwahashi