Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Hashimoto0
Sadaaki Minamimoto0
Mikio Kyomasu0
Yasushi Sato0
Toshihiro Takimoto0
Akira Kashiwazaki0
Hideto Sonoda0
Date of Patent
December 19, 2006
0Patent Application Number
110204970
Date Filed
December 21, 2004
0Patent Primary Examiner
Patent abstract
An optical device having: an optical fiber body; a ferrule which surrounds the above described optical fiber body and to which a recess that crosses a coreless fiber within the above described optical fiber has been provided; and an optical element which is provided within the recess in said ferrule, is provided with a protective member for protecting the above described recess, and the protective member has a restriction means for physically restricting the rotation of the optical device around the optical axis.
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