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. 16, 1994
Filed:
Apr. 16, 1993
Applicant:
Inventors:
Hirohisa Sano, Kokubunji, JP;
Hiroaki Inoue, Saitama, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385-2 ; 385131 ; 359245 ; 359278 ;
Abstract
An optical modulator includes two cladding layers of different conductive types, a light absorption layer formed between the cladding layers for propagating incident light and for absorbing the light in response to a voltage applied between the cladding layers, and an optical waveguide layer formed between the cladding layers and optically connected to the light absorption layer, for propagating the light.
Sano, Hirohisa. (1994). Optical modulator and optical communication system utilizing the same (U.S. Patent No. 5339370). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5339370
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile