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:
Sep. 25, 2012
Filed:
Aug. 10, 2010
Applicants:
Michihiko Suzuki, Shizuoka, JP;
Akinori Yamamoto, Shizuoka, JP;
Kenichi Matsunaga, Shizuoka, JP;
Inventors:
Assignee:
Koito Manufacturing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60Q 3/00 (2006.01); B60Q 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lamp design surface member is provided. The lamp design surface member includes a design surface having a decorative surface. Concave-convex portions and planar portions are formed together on the decorative surface. The concave-convex portions have a peak cross-sectional height Rt of 1 μm or more and the planar portions have a peak cross-sectional height Rt smaller than 1 μm. The planar portions are formed so that an area ratio of the planar portions to the decorative surface is in a range of 30% to 80%.