Inventor

Gary S. Duck

Inventor

Nepean, CA

Overview

30→

Patents

1979–2002

Patent span

Physics

Primary field (CPC G)

Patents· 30 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Bprimary

G02BOptical elements, systems or apparatus74%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein13%

H04BTransmission5%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%

H04JMultiplex communication3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

6,443,633'Optical device package'2002 6,438,291'Coupling of light into a monolithic waveguide device'2002 6,433,927'Low cost amplifier using bulk optics'2002 6,393,179'Optical coupling system'2002 6,175,673'Lensed sleeve'2001 6,044,187'Multi-port fiber optical device'2000 6,014,484'Method and device for optical coupling'2000 5,920,411'Optical multiplexing/demultiplexing device'1999 5,896,193'Apparatus for testing an optical component'1999 5,832,153'Method and system for reducing unwanted effects of back reflections between two lenses in an optical system'1998 5,808,763'Optical demultiplexor'1998 5,799,121'Multi-port optical device'1998 5,793,916'Hermetically sealed connection assembly for two or more optical fibers'1998 5,790,314'Grin lensed optical device'1998 5,768,005'Multi-stage optical isolator'1998 5,754,718'Hybrid optical filtering circuit'1998 5,745,626'Method for and encapsulation of an optical fiber'1998 5,706,375'Variable-attenuation tunable optical router'1998 5,701,375'Method and system for aligning of optical elements'1997 5,699,468'Bragg grating variable optical attenuator'1997 5,629,995'Wavelength filter arrangements for use in fiber optics'1997 5,615,289'Bandpass optical filter'1997 5,612,824'Narrow band filter and method of making same'1997 5,588,078'Non-reciprocal optical waveguide coupling device'1996 5,539,577'Means to lessen unwanted reflections in an optical device'1996 5,481,402'Tunable optical filter'1996 5,471,340'Reflective optical non-reciprocal devices'1995 4,702,549'Reciprocating variable optical attenuator filter'1987 4,378,144'Optical switch'1983 4,165,150'Low loss directional coupling for optical fibres'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1983Patents assigned to NORTHERN TELECOM LTD (2)· patent assignee history

1979Based in Ottawa, CA· patent location history

1983–2002Based in Nepean, CA· patent location history

1987Patents assigned to DUCK GARY S (1)· patent assignee history

1995–2002Patents assigned to JDS FITEL INC (21)· patent assignee history

2002Patents assigned to JDS UNIPHASE INC (2)· patent assignee history

2002Patents assigned to INTEGRIERTE OPTIK GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JDS FITEL INC	21	1995–2002
JDS UNIPHASE INC	2	2002
NORTHERN TELECOM LTD	2	1979–1983
DUCK GARY Sself	1	1987
INTEGRIERTE OPTIK GMBH	1	2002

Locations

Location	Patents	Span
Nepean, CA	29	1983–2002
Ottawa, CA	1	1979