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. 10, 2010
Filed:
Sep. 21, 2006
Applicant:
Keiji Fuse, Osaka, JP;
Inventor:
Keiji Fuse, Osaka, JP;
Assignees:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Sumitomo Electric Hardmetal Corp., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/00 (2006.01); G02B 5/18 (2006.01); G02B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a laser optical device including a beam shaping optical systemfor shaping a laser beaminto a predetermined cross-sectional intensity distribution and converging the light and an image formation optical systemfor forming an image of a shaped beamshaped and converged through the beam shaping optical system, the image formation optical systemis made up of an objective lens systemhaving a negative focal length placed ahead of a focal planeof the beam shaping optical systemand an imaging lens systemplaced behind the objective lens system