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. 15, 2008
Filed:
Apr. 01, 2005
Applicants:
Hitoshi Takeda, Shizuoka, JP;
Masaru Sasaki, Shizuoka, JP;
Masayasu Ito, Shizuoka, JP;
Inventors:
Assignee:
Koito Manufacturing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A vehicular head lamp includes a first light source module having a plurality of semiconductor light emitting elements and a second light source module connected in series to the first light source module, having semiconductor light emitting elements the number of which is smaller than that of the first light source module and generating the light of brightness higher than that of the first light source module when an electric current substantially equal to that of the first light source module is supplied.