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. 28, 2007
Filed:
Nov. 01, 2004
Hiroyuki Ishida, Shizuoka, JP;
Masashi Tatsukawa, Shizuoka, JP;
Kiyoshi Sazuka, Shizuoka, JP;
Koito Manufacturing Co., Ltd., Tokyo, JP;
Abstract
Whereas a light source bulb is used as a light source of a basic lamp piece unit which needs a large amount of irradiating light, with regard to an additional lamp piece unit lighted on and off repeatedly in accordance with a situation of running a vehicle, a semiconductor light emitting element having a fast response speed in being lighted on and off and excellent in durability against repeatedly lighting on and off the semiconductor light emitting elementas a light source thereof. Thereby, light can be irradiated in correspondence with the situation of running the vehicle and life of the light source can sufficiently been ensured. Further, the additional lamp piece unit is made to be able to be compactly constituted to promote a degree of freedom of arranging the additional lamp piece unit.