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:
Dec. 31, 2002
Filed:
May. 06, 1999
Applicant:
Inventors:
Hiroshi Sugawa, Osaka, JP;
Kazuhiko Tahara, Osaka, JP;
Shuzo Fujiwara, Osaka, JP;
Nobuyoshi Yagi, Osaka, JP;
Yoshimasa Sakata, Osaka, JP;
Toshiyuki Umehara, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 2/738 ; B32B 3/300 ;
U.S. Cl.
CPC ...
B32B 2/738 ; B32B 3/300 ;
Abstract
An epoxy optical sheet having a thickness of 500 &mgr;m or less, a high thickness accuracy, a small retardation and an excellent heat resistance; and a process by which the optical sheet can be efficiently produced.
Sugawa, Hiroshi. (2002). Epoxy optical sheet and process for producing the same (U.S. Patent No. 6500518). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6500518
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile