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Brian S. Kawasaki
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Carleton Place, CA
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last 30 patents
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Patent Grant
Optical fiber coupler with tunable coupling ratio and method of making
Patent number
4,763,977
Issue date
Aug 16, 1988
Canadian Patents and Development Limited-Societe
Brian S. Kawasaki
G02 - OPTICS
Information
Patent Grant
Modal-insensitive biconical taper couplers
Patent number
4,586,784
Issue date
May 6, 1986
Canadian Patents & Dev. Limited
Yves Tremblay
G02 - OPTICS
Information
Patent Grant
Optical fiber reflective filter
Patent number
4,474,427
Issue date
Oct 2, 1984
Canadian Patents and Development Limited
Kenneth O. Hill
G02 - OPTICS
Information
Patent Grant
Passive fiber optic data bus configurations
Patent number
4,457,581
Issue date
Jul 3, 1984
Her Majesty the Queen in right of Canada, as represented by the Minister of N...
Derwyn C. Johnson
G02 - OPTICS
Information
Patent Grant
Broadband high speed optoelectronic semiconductor switch
Patent number
4,369,371
Issue date
Jan 18, 1983
Canadian Patents & Dev. Limited
Elmer H. Hara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low-loss star couplers for optical fiber systems
Patent number
4,330,170
Issue date
May 18, 1982
Canadian Patents and Development Limited
Derwyn C. Johnson
G02 - OPTICS
Information
Patent Grant
Low loss access coupler for multimode optical fiber distribution sy...
Patent number
4,291,940
Issue date
Sep 29, 1981
Canadian Patents & Development Ltd.
Brian S. Kawasaki
G02 - OPTICS
Information
Patent Grant
CW Brillouin ring laser
Patent number
4,107,628
Issue date
Aug 15, 1978
Canadian Patents and Development Limited
Kenneth O. Hill
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical couplers for fiber optic communication links
Patent number
4,021,099
Issue date
May 3, 1977
Canadian Patents and Development Limited
Brian S. Kawasaki
G02 - OPTICS