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:
Jul. 07, 1998
Filed:
Jun. 13, 1996
Applicant:
Inventors:
Toshitaka Kunisawa, Kitakanbara-gun, JP;
Osamu Shinji, Kitakanbara-gun, JP;
Kouzo Yasuda, Kashima-gun, JP;
Toshiyuki Yoshikawa, Tokyo, JP;
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430-5 ; 430-6 ;
Abstract
The present invention includes the steps of forming a stamper with a fine and delicate relief pattern formed thereon by forming a photo resist layer on a flat substrate, exposing the photo resist, developing the exposed photo resist, metallizing and electroforming the surface of the photo resist, and of injection molding the light-transmitting plate using said stamper.
Kunisawa, Toshitaka. (1998). Method of manufacturing light-transmitting plates (U.S. Patent No. 5776636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5776636
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile