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:
Aug. 14, 2007
Filed:
Sep. 09, 2004
Applicants:
Michihiro Yamagata, Osaka, JP;
Motonobu Yoshikawa, Osaka, JP;
Yasuhiro Tanaka, Hyogo, JP;
Yoshiharu Yamamoto, Osaka, JP;
Daizaburo Matsuki, Osaka, JP;
Masaru Fujita, Osaka, JP;
Toshihiko Shibita, Osaka, JP;
Inventors:
Michihiro Yamagata, Osaka, JP;
Motonobu Yoshikawa, Osaka, JP;
Yasuhiro Tanaka, Hyogo, JP;
Yoshiharu Yamamoto, Osaka, JP;
Daizaburo Matsuki, Osaka, JP;
Masaru Fujita, Osaka, JP;
Toshihiko Shibita, Osaka, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01); G02B 27/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A single lens element used for converting a divergent pencil of rays, radiated from a light source, into a predetermined convergent state, wherein