Patents by Inventor Shinobu Kamiyama

Shinobu Kamiyama 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 purification of rare gas
    Patent number: 5294422
    Abstract: Highly purified rare gas (helium, neon, argon, krypton, xenon, etc.) is obtained by removing impurities contained therein, such as nitrogen, hydrocarbon, carbon monoxide, carbon dioxide, oxygen, hydrogen and water, at relatively low temperatures by the use of a getter. This getter is a two-component alloy of zirconium and vanadium, or a multi-component alloy containing, as well as zirconium and vanadium, at least one of chromium, nickel and cobalt.
    Type: Grant
    Filed: October 5, 1992
    Date of Patent: March 15, 1994
    Assignee: Japan Pionics Co., Ltd.
    Inventors: Koichi Kitahara, Kenji Ohtsuka, Noboru Takemasa, Shinobu Kamiyama
  • Process for purification of rare gas
    Patent number: 5194233
    Abstract: Highly purified rare gas (helium, neon, argon, krypton, xenon, etc.) is obtained by removing impurities contained therein, such as nitrogen, hydrocarbon, carbon monoxide, carbon dioxide, oxygen, hydrogen and water, at relatively low temperatures by the use of a getter. This getter is a two-component alloy of zirconium and vanadium, or a multi-component alloy containing, as well as zirconium and vanadium, at least one of chromium, nickel and cobalt.
    Type: Grant
    Filed: September 3, 1991
    Date of Patent: March 16, 1993
    Assignee: Japan Pionics Co., Ltd.
    Inventors: Koichi Kitahara, Kenji Ohtsuka, Noboru Takemasa, Shinobu Kamiyama