Patents by Inventor Sadao Sugimoto

Sadao Sugimoto 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).

  • Photoresist composition containing a pyrazole compound anti-halation agent
    Patent number: 4654292
    Abstract: A photoresist composition comprising a conjugated diene polymer or its cyclized product, a photocuring agent soluble in an organic solvent and a pyrazole compound having a skeleton represented by the following formula. ##STR1## Also provided is a method of forming a photoresist pattern using the aforesaid composition.
    Type: Grant
    Filed: September 17, 1985
    Date of Patent: March 31, 1987
    Assignees: Nippon Zeon Co., Ltd., Fujitsu Limited
    Inventors: Masayuki Oie, Satoshi Ogawa, Sadao Sugimoto, Masahiro Yamazaki, Katsuhiro Fujino