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:
May. 03, 2011
Filed:
Mar. 15, 2010
Applicants:
Masayoshi Suzuki, Shizuoka, JP;
Tadao Matsunaga, Shizuoka, JP;
Tomoki Furue, Shizuoka, JP;
Ken Sukegawa, Shizuoka, JP;
Inventors:
Masayoshi Suzuki, Shizuoka, JP;
Tadao Matsunaga, Shizuoka, JP;
Tomoki Furue, Shizuoka, JP;
Ken Sukegawa, Shizuoka, JP;
Assignee:
Tomoegawa Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical fiber coil and a production method therefor reduce the likelihood of optical transmission loss due to stress or temperature changes at low cost. Plural single optical fibers are arranged in parallel and are integrally covered with a covering portion so as to form an optical fiber ribbon, and the optical fiber ribbon is wound into a coiled state.