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. 27, 1994
Filed:
Jun. 28, 1993
Applicant:
Inventors:
Tsuruo Hatori, Sagamihara, JP;
Akira Satoh, Tokyo, JP;
Shigeharu Suzuki, Tokyo, JP;
Yoshinobu Akimoto, Tokyo, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385128 ; 385117 ; 385127 ; 385141 ; 385142 ; 385143 ;
Abstract
An optical fiber includes an optical fiber element having a core layer and a cladding layer formed on the core layer, and a coating layer having a refractive index lower than at least the refractive index of the cladding layer, or a coating layer including at least one of a predetermined saturated higher fatty acid and alkylpolysiloxane.