Patents by Inventor Yasuo Nagamatsu

Yasuo Nagamatsu 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).

  • Typewriter
    Patent number: D278247
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: April 2, 1985
    Assignee: Kyushu Matsushita Electric Co., Ltd.
    Inventors: Ishin Miyamoto, Yasuo Nagamatsu, Toshiya Moriyama, Masaharu Sakamoto
  • Typewriter
    Patent number: D278444
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: April 16, 1985
    Assignee: Kyushu Matsushita Electric Co., Ltd.
    Inventors: Ishin Miyamoto, Yasuo Nagamatsu, Toshiya Moriyama, Masaharu Sakamoto
  • Vacuum cleaner
    Patent number: D280033
    Type: Grant
    Filed: September 9, 1983
    Date of Patent: August 6, 1985
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isshin Miyamoto, Yasuo Nagamatsu, Toshiya Moriyama, Masaharu Sakamoto
  • Printer
    Patent number: D289764
    Type: Grant
    Filed: July 3, 1984
    Date of Patent: May 12, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshiya Moriyama, Masaharu Sakamoto, Yasuo Nagamatsu, Isshin Miyamoto
  • Printer
    Patent number: D290361
    Type: Grant
    Filed: July 3, 1984
    Date of Patent: June 16, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yasuo Nagamatsu, Masaharu Sakamoto, Toshiya Moriyama, Isshin Miyamoto
  • Typewriter
    Patent number: D290713
    Type: Grant
    Filed: January 29, 1985
    Date of Patent: July 7, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isshin Miyamoto, Yasuo Nagamatsu, Toshiya Miroyama, Masaharu Sakamoto
  • Combined typewriter and graphmaker
    Patent number: D290714
    Type: Grant
    Filed: January 25, 1985
    Date of Patent: July 7, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isshin Miyamoto, Yasuo Nagamatsu, Toshiya Moriyama, Masaharu Sakamoto
  • Vacuum cleaner
    Patent number: D290894
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: July 14, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isshin Miyamoto, Yasuo Nagamatsu, Toshiya Moriyama, Masaharu Sakamoto
  • Typewriter
    Patent number: D291324
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: August 11, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isshin Miyamoto, Yasuo Nagamatsu, Yasuhiko Tanaka, Masaharu Sakamoto, Masataka Hidaka, Hideaki Sakamoto
  • Typewriter
    Patent number: D291449
    Type: Grant
    Filed: September 12, 1985
    Date of Patent: August 18, 1987
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isshin Miyamoto, Yasuo Nagamatsu, Yasuhiko Tanaka, Masataka Hidaka, Masaharu Sakamoto, Hideaki Sakamoto
  • Vacuum cleaner
    Patent number: D303173
    Type: Grant
    Filed: May 19, 1986
    Date of Patent: August 29, 1989
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Isshin Miyamoto, Yasuo Nagamatsu, Yasuhiko Tanaka, Masaharu Sakamoto, Masataka Hidaka, Hideaki Sakamoto, Kazuo Ishida