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:
Jan. 20, 2004
Filed:
May. 28, 2002
Applicant:
Inventor:
Tasuku Hosonuma, Saitama, JP;
Assignee:
Fuji Photo Optical Co., Ltd., Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 2/608 ;
U.S. Cl.
CPC ...
G02B 2/608 ;
Abstract
An optical scanning device comprises a rotary polygonal mirror which performs deflection scanning of a light beam emitted from a light source; and an annular member which is disposed around the rotary polygonal mirror in proximity thereto and which has a width extending generally in a diameter of the rotary polygonal mirror.
Hosonuma, Tasuku. (2004). Optical scanning device (U.S. Patent No. 6680789). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6680789
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