Patents by Inventor Kiyoshi Iwasawa

Kiyoshi Iwasawa 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).

  • Fluorescent lamp
    Patent number: D287285
    Type: Grant
    Filed: August 29, 1984
    Date of Patent: December 16, 1986
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mitsuyuki Futatsugi, Toshiharu Fujita, Kiyoshi Iwasawa
  • Fluorescent lamp
    Patent number: D287287
    Type: Grant
    Filed: July 18, 1984
    Date of Patent: December 16, 1986
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mitsuyuki Futatsugi, Toshiharu Fujita, Kiyoshi Iwasawa
  • Fluorescent lamp socket
    Patent number: D294019
    Type: Grant
    Filed: October 8, 1985
    Date of Patent: February 2, 1988
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mitsuyuki Futatsugi, Masakatsu Suzuki, Kiyoshi Iwasawa
  • Fluorescent lamp socket
    Patent number: D296207
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: June 14, 1988
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mitsuyuki Futatsugi, Fuminobu Takizawa, Kiyoshi Iwasawa
  • Fluorescent lamp
    Patent number: D304377
    Type: Grant
    Filed: September 19, 1986
    Date of Patent: October 31, 1989
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toshiharu Fujita, Hiroyoshi Yamazaki, Noriyuki Maeda, Kazutaka Shimizu, Norihiko Tanaka, Yoshihiro Domon, Kiyoshi Iwasawa, Mitsuyuki Futatsugi, Fuminobu Takizawa, Masakatsu Suzuki, Makoto Kosaka