Patents by Inventor Tokuzo Yamamoto

Tokuzo Yamamoto 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).

  • Konjak food gelled by vegetable juice
    Patent number: 5073395
    Abstract: An aqueous konjak gel comprising about 3 to 5% by weight of a dry refined konjak flour, a juice obtained from calcium-containing vegetable leaves and calcium hydroxide as a calcium supplementing additive in which a total content of calcium derived from the juice and calcium hydroxide is not less than 0.14% by weight based on water contained in the gel.The konjak food can be obtained stably and easily and it has no peculiar lime odor.
    Type: Grant
    Filed: March 15, 1991
    Date of Patent: December 17, 1991
    Inventor: Tokuzo Yamamoto
  • Coagulant for soybean milk and soybean food using such coagulant
    Patent number: 4992291
    Abstract: A soybeam milk coagulant containing water-soluble calcium from juices of vegetables of high calcium content provides soybean curd having improved flavor, taste, and enriched nutritives.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: February 12, 1991
    Inventor: Tokuzo Yamamoto
  • Cassette player
    Patent number: D288438
    Type: Grant
    Filed: April 18, 1984
    Date of Patent: February 24, 1987
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Jun Ishii, Tokuzo Yamamoto
  • Cassette player
    Patent number: D288439
    Type: Grant
    Filed: April 18, 1984
    Date of Patent: February 24, 1987
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Jun Ishii, Tokuzo Yamamoto
  • Optical disk cartridge
    Patent number: D371548
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: July 9, 1996
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tokuzo Yamamoto, Nobuhiro Yamane
  • Optical disk cartridge
    Patent number: D374436
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: October 8, 1996
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tokuzo Yamamoto, Nobuhiro Yamane
  • Optical disk cartridge
    Patent number: D377344
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: January 14, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tokuzo Yamamoto, Nobuhiro Yamane