Patents by Inventor Naosuke Ochiai

Naosuke Ochiai 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).

  • Noble metal-containing overglaze color composition for ceramics
    Patent number: 5273947
    Abstract: There is disclosed a noble metal-containing overglaze colour composition in a liquid or paste form for application to ceramics. The composition comprises (1) a solution or paste of a resinate of a noble metal, (2) an amount sufficient to serve as a sintering inhibitor and alkali resistance improving agent of a solution or paste of a thorium resinate, (3) an adhesive, in particular bismuth, (4) an appropriate amount of a rosin and (5) an appropriate amount of a solvent and, further, wherein required, (6) chromium and (7) a small amount of rhodium. Preferably, the noble metal is gold, platinum or palladium.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: December 28, 1993
    Assignee: Nippon Kin-Eki Co., Ltd.
    Inventor: Naosuke Ochiai