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:
Nov. 02, 2010
Filed:
Feb. 16, 2007
Applicants:
Ikuo Nakajima, Kanagawa, JP;
Etsuji Hayakawa, Kanagawa, JP;
Tetsuya Mizumoto, Tokyo, JP;
Inventors:
Assignee:
Mitsumi Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/295 (2006.01); G02B 6/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A waveguide type optical isolator comprises a substrate, a waveguiding layer provided with waveguides, a magnetic garnet, magnetic field applying means, and a package substrate, wherein a first magnet and a second magnet is provided as the magnetic field applying means, and the first magnet and the second magnet are housed and fixed within a magnet holder.