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:
Jul. 16, 2002
Filed:
Apr. 23, 1999
Junji Taira, Tokyo, JP;
Masahiro Nakajima, Tokyo, JP;
Kouji Minami, Tokyo, JP;
Hiroyuki Tokita, Tokyo, JP;
Tatsuo Koshigoe, Tokyo, JP;
Nobuo Suzuki, late of Tokyo, JP;
Seiko Instruments Inc., , JP;
Abstract
A ferrule for use in an optical connector enabling effective suppression of the increase in the insertion loss resulting from repeated attachments/detachments of the optical connector. In the ferrule for use in the optical connector, a plurality of grooves are formed in a fitting surface A of a ferrule main body located between the ferrule main body and a connection sleeve SL. And, a ferrule for use in an optical connector, a plurality of concentric annular grooves are formed in a connection end surface of the ferrule main body having a connection end A of the optical fiber exposed thereon.