Koichi Abe

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Ottawa, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and circuit for demultiplexing an optical signal
- Patent number 6,040,932
- Issue date Mar 21, 2000
- Gary S. Duck
- G02 - OPTICS
Information Patent Grant
Method and optical system for passing light between an optical fibe...
- Patent number 5,757,993
- Issue date May 26, 1998
- JDS Fitel Inc.
- Koichi Abe
- G02 - OPTICS
Information Patent Grant
Variable-attenuation tunable optical router
- Patent number 5,706,375
- Issue date Jan 6, 1998
- JDS Fitel Inc.
- Stephen J. Mihailov
- G02 - OPTICS
Information Patent Grant
Method and system for aligning of optical elements
- Patent number 5,701,375
- Issue date Dec 23, 1997
- JDS Fitel Inc.
- Gary S. Duck
- G02 - OPTICS
Information Patent Grant
Bragg grating variable optical attenuator
- Patent number 5,699,468
- Issue date Dec 16, 1997
- JDS Fitel Inc.
- Mark Farries
- G02 - OPTICS
Information Patent Grant
Optical cable with improved strength
- Patent number 4,784,461
- Issue date Nov 15, 1988
- Northern Telecom Limited
- Koichi Abe
- G02 - OPTICS
Information Patent Grant
Precise positioning of optical fibers
- Patent number 4,474,469
- Issue date Oct 2, 1984
- Northern Telecom Limited
- Koichi Abe
- G02 - OPTICS