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:
Feb. 03, 1987
Filed:
Jan. 16, 1984
Yukuo Nishimura, Sagamihara, JP;
Toshiaki Asano, Yokohama, JP;
Nobutoshi Mizusawa, Yokohama, JP;
Eigo Kawakami, Kawasaki, JP;
Masahiro Haruta, Funabashi, JP;
Takashi Noma, Tokyo, JP;
Hiroshi Takagi, Yokohama, JP;
Mitsunobu Nakazawa, Tokyo, JP;
Kunitaka Ozawa, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An optical device comprises an optical waveguide having, as a basic unit, a core layer of a liquid having a relatively high refractive index and a clad layer having a relatively low refractive index and covering said core layer, and a heat-generating means for heating a part of said core layer to form a vapor bubble in said liquid of said core layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile