Patents by Inventor Sakae Shimizu

Sakae Shimizu 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).

  • Slow-volatilizing terpenoid composition
    Patent number: 5567416
    Abstract: A slow-volatilizing composition is composed of at least one terpenoid, an antioxidant, and an oil-absorbing polymeric network material on which the terpenoid and the antioxidant are absorbed. A non-combustible organic material may be optionally adsorbed on the oil-absorbing polymeric network material.
    Type: Grant
    Filed: November 29, 1993
    Date of Patent: October 22, 1996
    Assignee: Ricoh Company, Ltd.
    Inventors: Shoichi Sato, Toshi Tabuchi, Shigeo Urushida, Sakae Shimizu
  • Ozone decomposing material and ozone decomposing apparatus using the ozone decomposing material
    Patent number: 5256377
    Abstract: An ozone decomposing material comprises an ozone decomposing agent and a support material for supporting thereon the ozone decomposing agent by adsorption, and an ozone decomposing apparatus comprises the above ozone decomposing material and an ozone decomposing agent supply means for supplying the ozone decomposing agent to the support material, by which the ozone decomposing agent is adsorbed.
    Type: Grant
    Filed: August 11, 1992
    Date of Patent: October 26, 1993
    Assignees: Ricoh Company, Ltd., Japan Liquid Crystal Co., Ltd.
    Inventors: Susumu Nakamaru, Ichiro Shibanai, Yuji Noritake, Sakae Shimizu
  • Ozone decomposing agent
    Patent number: 4808396
    Abstract: An ozone decomposing agent comprises at least one terpenoide capable of decomposing ozone, a liquid alcohol for dissolving therein the terpenoide, dibenzylidenesorbitol or sodium bis (4-t-butylphenyl)phosphate, and a solvent for dissolving therein dibenzylidenesorbitol or sodium bis (4-t-butyl-phenyl)phosphate, or the ozone decomposing agent may comprise such terpenoide and a water-soluble gelation agent for holding the terpenoide.
    Type: Grant
    Filed: August 19, 1987
    Date of Patent: February 28, 1989
    Assignees: Ricoh Company, Ltd., Japan Liquid Crystal Co., Ltd.
    Inventors: Ichiroh Shibanai, Sakae Shimizu