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.

Date of Patent:
Jul. 18, 2006

Filed:

Jun. 30, 2003
Applicants:

Fumio Takahashi, Chiyoda-ku, JP;

Hideya Moridaira, Chiyoda-ku, JP;

Masahide Kuwabara, Chiyoda-ku, JP;

Yoshinori Ishida, Chiyoda-ku, JP;

Satoru Ise, Chiyoda-ku, JP;

Inventors:

Fumio Takahashi, Chiyoda-ku, JP;

Hideya Moridaira, Chiyoda-ku, JP;

Masahide Kuwabara, Chiyoda-ku, JP;

Yoshinori Ishida, Chiyoda-ku, JP;

Satoru Ise, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical fiber having a length of one kilometer or more with average transmission loss at a wavelength of 1383 nm being less than average transmission loss at a wavelength of 1310 nm, wherein a maximum value of a transmission loss at the wavelength of 1383 nm of any one kilometer section along the entire length of the optical fiber does not exceed the average transmission loss at the wavelength of 1383 nm along the entire length of the optical fiber by 0.03 dB/km or more.


Find Patent Forward Citations

Loading…