Patents by Inventor Nobuhiro Umehara

Nobuhiro Umehara 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).

  • Compact fluorescent lamp
    Patent number: D271996
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: December 27, 1983
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Masumi Nanba, Yoshio Kojima, Nobuhiro Umehara
  • Compact fluorescent lamp
    Patent number: D271997
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: December 27, 1983
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Taketo Kamei, Kimio Osada, Masumi Nanba, Nobuhiro Umehara, Yoshio Kojima
  • Compact fluorescent lamp
    Patent number: D271998
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: December 27, 1983
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Masumi Nanba, Yoshio Kojima, Nobuhiro Umehara
  • Compact fluorescent lamp
    Patent number: D272000
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: December 27, 1983
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Masumi Nanba, Yoshio Kojima, Nobuhiro Umehara
  • Compact fluorescent lamp
    Patent number: D272002
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: December 27, 1983
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Nobuhiro Umehara, Yoshio Kojima, Masumi Nanba
  • Television receiver
    Patent number: D274906
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: July 31, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Masahiro Kawanabe, Yasuhiko Matsumoto, Nobuhiro Umehara
  • Electric iron
    Patent number: D290890
    Type: Grant
    Filed: October 30, 1985
    Date of Patent: July 14, 1987
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Heating Appliances Co., Ltd.
    Inventors: Koichi Ueno, Nobuhiro Umehara, Osamu Otaki
  • Alarm display processor
    Patent number: D294232
    Type: Grant
    Filed: January 4, 1985
    Date of Patent: February 16, 1988
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuhiro Umehara, Yukio Igarashi
  • Transmitter used for alarm display processor
    Patent number: D294830
    Type: Grant
    Filed: January 4, 1985
    Date of Patent: March 22, 1988
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuhiro Umehara, Yukio Igarashi
  • Electric vacuum cleaner
    Patent number: D297475
    Type: Grant
    Filed: October 16, 1985
    Date of Patent: August 30, 1988
    Assignees: Kabushiki Kaisha Toshiba A/T/A Toshiba Corporation, Tokyo Electric Co., Ltd.
    Inventors: Nobuhiro Umehara, Masato Umeda, Toshiaki Sato, Atsushi Shigemura
  • Electric vacuum cleaner
    Patent number: D297675
    Type: Grant
    Filed: October 16, 1985
    Date of Patent: September 13, 1988
    Assignees: Kabushiki Kaisha Toshiba, Tokyo Electric Co., Ltd.
    Inventors: Nobuhiro Umehara, Masato Umeda, Toshiaki Sato, Atsushi Shigemura
  • Washing machine
    Patent number: D300279
    Type: Grant
    Filed: September 10, 1986
    Date of Patent: March 14, 1989
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Nobuhiro Umehara, Yoshitoyo Nishite, Kazuhiko Nakao, Junichi Udagawa