Patents by Inventor Ooki Tomobe

Ooki Tomobe 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).

  • Patent number: 6103452
    Abstract: Disclosed are a photosensitive composition which is developable with an aqueous alkaline solution and such calcined patterns as a conductor pattern, a vitreous dielectric pattern, and a fluorescent pattern which are obtained by the use of the photosensitive composition. The photosensitive composition comprises (A) a carboxyl group-containing photosensitive polymer obtained by the reaction of a copolymer of (a) an unsaturated double bond-containing acid anhydride and (b) an unsaturated double bond-containing compound with (c) a compound containing a hydroxyl group and an unsaturated double bond, (B) a diluent, (C) a photopolymerization initiator, (D) an inorganic powder, and (E) a stabilizer. The composition may be in the form of paste or in the form of a dry film. When the photosensitive composition is in the form of paste, the paste is applied to a substrate and then dried to form a film. When the photosensitive composition is in the form of a dry film, the film is laminated on the substrate.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: August 15, 2000
    Assignee: Taiyo Ink Manufacturing Co., Ltd.
    Inventors: Masahisa Kakinuma, Ooki Tomobe, Kouichi Takagi