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:
Feb. 15, 2005
Filed:
Mar. 18, 2003
Masaki Furumai, Osaka, JP;
Shuzo Suzuki, Yokohama, JP;
Hitoshi Terauchi, Osaka, JP;
Manabu Yoshimura, Yokohama, JP;
Kazuhito Saito, Yokohama, JP;
Manabu Shiozaki, Yokohama, JP;
Kazunori Yoshida, Osaka, JP;
Masaki Furumai, Osaka, JP;
Shuzo Suzuki, Yokohama, JP;
Hitoshi Terauchi, Osaka, JP;
Manabu Yoshimura, Yokohama, JP;
Kazuhito Saito, Yokohama, JP;
Manabu Shiozaki, Yokohama, JP;
Kazunori Yoshida, Osaka, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
The ferrule partcomprises ferrule, first and second optical fibersand, and optical filter. Ferrulehas first and second end surfaceand, ferrule insertion hole, and groove. Ferrule insertion holeextends along a first axis, and accommodates first and second optical fibersand. Grooveextends along a second axis crossing the first axis, and extends so as to extend across ferrule. Grooveis provided along a plane defined by the second axis and a third axis perpendicular to the first and second axes. Optical filtercan reflect a part of light incident on one surfaceof the pair of surfaces of optical filter, and can transmit a part of the light incident on other surface