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:
Feb. 19, 2002
Filed:
Sep. 16, 1998
Applicant:
Inventors:
Michihiro Yamagata, Osaka, JP;
Kazutake Boku, Osaka, JP;
Yasuhiro Tanaka, Hyogo, JP;
Tomohiko Sasano, Osaka, JP;
Shusuke Ono, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/18 ;
U.S. Cl.
CPC ...
G02B 5/18 ;
Yamagata, Michihiro. (2002). Device for calculating diffraction efficiencies of a diffraction lens, lens with grating element, and optical system for reading (U.S. Patent No. 6349000). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6349000
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile