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:
May. 26, 2009
Filed:
Apr. 11, 2007
Takahiko Matsuba, Sano, JP;
Yoshiji Kawamura, Sano, JP;
Homin Ryu, Sano, JP;
Hajime Kurahashi, Sano, JP;
Takahiko Matsuba, Sano, JP;
Yoshiji Kawamura, Sano, JP;
Homin Ryu, Sano, JP;
Hajime Kurahashi, Sano, JP;
Fujinon Corporation, Saitama-shi, JP;
Abstract
A polarizing filter with a gapless polarization separating filter layer formed between a plane of incidence and a plate of transmission of the filter, the polarization separating filter layer being formed by connecting first filter layer sections alternately and crosswise with second inclined filter layer sections in an approximately zigzag shape. The filter is free of the problem of light leakage and can perform the functions of a polarizing filter satisfactorily.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile