Patents by Inventor Shizuharu Watanbe

Shizuharu Watanbe 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).

  • Photosensitive conductive paste
    Patent number: 6315927
    Abstract: There is disclosed a photosensitive conductive paste comprising a water- or alkali-soluble acidic-functional-group-containing organic binder, a photosensitive organic component, an organic solvent, a conductive powder such as iron or copper, and a mono-ol compound having a boiling point of about 178° C. or higher such as dipropylene glycol monoethyl ether and/or a diol compound such as pentamethylene glycol. The photosensitive conductive paste has excellent storage stability and can be developed consistently.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: November 13, 2001
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masahiro Kubota, Michiaki Iha, Shizuharu Watanbe, Satoshi Miyayama, Toshikazu Oda