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. 06, 2005
Filed:
May. 28, 2003
Kazuo Hasegawa, Nishin, JP;
Tadashi Ichikawa, Nagoya, JP;
Hiroyuki Matsubara, Seto, JP;
Mitsutoshi Maeda, Aichi-gun, JP;
Hiroshi Ito, Kasugai, JP;
Kazuo Hasegawa, Nishin, JP;
Tadashi Ichikawa, Nagoya, JP;
Hiroyuki Matsubara, Seto, JP;
Mitsutoshi Maeda, Aichi-gun, JP;
Hiroshi Ito, Kasugai, JP;
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi-gun, JP;
Abstract
Each of guided beam incident portions of an optical waveguide device includes a straight incidence area where laser beams enter, a curved area which curves the laser beams entering from the straight incidence area in a predetermined direction, and a widening tapered area which makes the laser beams that have passed through the curved area parallel or substantially parallel to a propagation direction of the laser beams by decreasing propagation angles of the laser beams.