Patents by Inventor Yoshihiro Tsuzikawa

Yoshihiro Tsuzikawa 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).

  • Electrolytic cell
    Patent number: 5085752
    Abstract: An electrolytic cell for the production of a nitrogen trifluoride gas by a molten salt electrolysis comprises electrodes, partition plates, bottom surface, liquid surface of an elecrolytic bath and lids, at least some of these members being in a particular distance relationship.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: February 4, 1992
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Naruyuki Iwanaga, Tosiaki Yamaguti, Nobuhiko Fujieda, Yoshihiro Tsuzikawa
  • Electrolytic cell
    Patent number: 5084156
    Abstract: An electrolytic cell for the production of a nitrogen trifluoride gas by a molten salt electrolysis comprises electrodes, partition plates, bottom surface, liquid surface of an electrolytic bath and lids, at least some of these members being in a particular distance relationship.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: January 28, 1992
    Assignee: Mitsui Toatsu Chemicals, Inc.
    Inventors: Naruyuki Iwanaga, Tosiaki Yamaguti, Nobuhiko Fujieda, Yoshihiro Tsuzikawa, Isao Harada