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.

Date of Patent:
Sep. 15, 2009

Filed:

Nov. 08, 2006
Applicants:

Toshiaki Takano, Osaka, JP;

Minoru Onoda, Osaka, JP;

Tomokazu Tokunaga, Hyogo, JP;

Inventors:

Toshiaki Takano, Osaka, JP;

Minoru Onoda, Osaka, JP;

Tomokazu Tokunaga, Hyogo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A prismincludes a prism bodyformed into a polygonal column. At least one ridgeof a plurality of ridgesof the prism bodyis formed into a flat face. A joint partbetween the flat faceand at least oneof the facesof the prism bodywhich are adjacent to each other with the ridgein the flat faceinterposed is formed into an R-plane.


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