The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 04, 2007
Filed:
May. 28, 2004
Applicants:
Hideki Ozawa, Chiba, JP;
Shigeru Yamamoto, Chiba, JP;
Michimasa Shimizu, Tokyo, JP;
Shuichi Hashiguchi, Tokyo, JP;
Hideharu Watakabe, Yamaguchi, JP;
Inventors:
Hideki Ozawa, Chiba, JP;
Shigeru Yamamoto, Chiba, JP;
Michimasa Shimizu, Tokyo, JP;
Shuichi Hashiguchi, Tokyo, JP;
Hideharu Watakabe, Yamaguchi, JP;
Assignee:
Ube Industries, Ltd., Yamaguchi, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 3/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
A flexible heating sheet is composed of two heat fusible aromatic polyimide films and an electric heating element having an electric source-connecting terminal at each end which intervenes between the heat fusible aromatic polyimide films, in which each heat fusible aromatic polyimide film is covered with a heat resistant aromatic polyimide film.