Patents by Inventor Toshikazu Yagi

Toshikazu Yagi 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).

  • Process for producing olefin oxides
    Patent number: 5525741
    Abstract: A process for producing an olefin oxide comprising oxidizing a corresponding lower olefin with molecular oxygen in the gas phase in the presence of a crystalline metallosilicate having supported thereon at least one salt selected from the group consisting of alkali metal salts of nitric acid, alkaline earth metal salts of nitric acid, silver salts of nitric acid and silver salts of nitrous acid. Said process can produce an olefin oxide at a high selectivity.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: June 11, 1996
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Keisuke Sugita, Toshikazu Yagi
  • Infant's drinking mug
    Patent number: D329355
    Type: Grant
    Filed: February 14, 1991
    Date of Patent: September 15, 1992
    Assignee: Jex Co., Ltd.
    Inventor: Toshikazu Yagi
  • Baby bottle
    Patent number: D341892
    Type: Grant
    Filed: February 14, 1991
    Date of Patent: November 30, 1993
    Assignee: Jex Co., Ltd.
    Inventor: Toshikazu Yagi