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:
Dec. 25, 2018
Filed:
Nov. 13, 2014
Koito Manufacturing Co., Ltd., Tokyo, JP;
Akinori Matsumoto, Shizuoka, JP;
Tatsuhiko Yamamichi, Shizuoka, JP;
Kenji Yoshida, Shizuoka, JP;
Masashi Katayama, Shizuoka, JP;
Takahito Osawa, Shizuoka, JP;
Mamoru Kosuge, Shizuoka, JP;
KOITO MANUFACTURING CO., LTD., Minato-ku, Tokyo, JP;
Abstract
A projection lens formed of a light-transmitting resin including an incidence part on which light is incident, an emission part, a peripheral edge portion, and a thick part. Light is incident on the incidence part. The emission part emits the light incident from the incidence part. The peripheral edge portion is provided at a boundary between the incidence part and the emission part. The thick part is provided at a part of the peripheral edge portion, made thicker in an optical axis direction than other parts of the peripheral edge portion and having a gate mark formed at least on a part of an outer peripheral surface of the thick part.