Inventor

François Gonthier

Inventor

Montreal, CA

Overview

31→

Patents

1990–2021

Patent span

Physics

Primary field (CPC G)

Patents· 31 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus74%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light14%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

H04BTransmission2%

H04LTransmission of digital information, e.g. telegraphic communication2%

PatentTitleYear

11,036,007Fiber cleaver2021 8,891,920'Method and device for optically coupling optical fibres'2014 RE044262'Optical coupler comprising multimode fibers and method of making the same'2013 8,346,038'Method and device for optically coupling optical fibres'2013 8,085,464'Multi-clad optical fibre amplifier with optimized pumping'2011 7,933,479'Multimode fiber outer cladding coupler for multi-clad fibers'2011 7,539,377'Method and device for optically coupling optical fibres'2009 7,480,423'All-fiber phase controlled delay interferometer and method of making the same'2009 7,206,465'All-fiber linear design depolarizer for all-states of polarization'2007 7,046,875'Optical coupler comprising multimode fibers and method of making the same'2006 6,912,346'Optical filter device for temperature dependence control'2005 6,850,654'Passive thermal compensation of all-fiber Mach-Zehnder interferometer'2005 6,847,744'All-fiber linear design depolarizer'2005 6,836,599'All-fiber Mach-Zehnder interferometer and method of making the same'2004 6,832,030'Non-sinusoidal optical fiber filters and method of making the same'2004 6,763,685'Fabrication of multiplexing and demultiplexing single-mode fiber optic couplers'2004 6,760,495'All-fiber depolarizer'2004 6,718,095'Optical filters and method of making the same'2004 6,658,182'Temperature stabilization of tapered fiber optic components'2003 6,643,433'Polarization-combining fused-fiber optical coupler and method of producing the same'2003 6,496,643'Internal termination for optical fibers'2002 6,466,717'Optical fiber filters and method of making the same'2002 5,883,992'Method for making optical waveguide couplers with low wavelength sensitivity and couplers thereby produced'1999 5,818,987'Filter obtained by writing a Bragg grating into an optical fiber'1998 5,818,584'Multiport optical waveguide interferometer having a flat wavelength response'1998 5,796,885'3.times.3 waveguide coupler for bidirectional dual wavelength transmission and signal sampling and method for making the same'1998 5,710,848'Optimized non-linear effect tapered optical fiber and method of making same'1998 5,694,512'Compact tunable wavelength independent all-fiber optical attenuator and method of making same'1997 5,479,546'Optimized non-linear effect tapered optical fiber interferometer/switch device'1995 5,119,453'Wavelength-flattened 2x2 splitter for single-mode optical waveguides and method of making same'1992 4,946,250'Compact wavelength filter integrated to a single-mode optical fiber'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2021Based in Outremont, CA· patent location history

1995–2011Based in Montreal, CA· patent location history

1997–1999Patents assigned to FRAMATOME CONNECTORS CANADA IN (3)· patent assignee history

1998–2014Based in Quebec, CA· patent location history

2002–2007Patents assigned to ITF OPTICAL TECHNOLOGIES INC (14)· patent assignee history

2002–2005Patents assigned to ITF TECHNOLOGIES OPTIQUES INC (6)· patent assignee history

2002–2009Based in Mont-Royal, CA· patent location history

2009–2014Patents assigned to GONTHIER FRANCOIS (5)· patent assignee history

2009–2013Patents assigned to ITF LAB INC (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ITF OPTICAL TECHNOLOGIES INC	14	2002–2007
ITF TECHNOLOGIES OPTIQUES INC	6	2002–2005
GONTHIER FRANCOISself	5	2009–2014
FRAMATOME CONNECTORS CANADA IN	3	1997–1999
ITF LAB INC	3	2009–2013

Locations

Location	Patents	Span
Montreal, CA	14	1995–2011
Mont-Royal, CA	8	2002–2009
Quebec, CA	6	1998–2014
Outremont, CA	3	1990–2021