Inventor

Michel A. Duguay

Inventor

Ste-Foy, CA

Overview

13→

Patents

1976–2010

Patent span

Physics

Primary field (CPC G)

Patents· 13 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus43%

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 therein10%

F24CDomestic stoves or ranges5%

G06FElectric digital data processing5%

G06KGraphical data reading5%

G06VImage or video recognition or understanding5%

G11CStatic stores5%

H04QSelecting5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

PatentTitleYear

7,800,024'Lithic wireless warming table and portable heaters'2010 6,999,662'Segmented waveguide array grating filters'2006 6,993,224'Segmented waveguide array gratings (SWAG)-based archival optical memory'2006 6,201,914'Tapered waveguide for optical dispersion compensation'2001 5,692,076'Antiresonant waveguide apparatus for periodically selecting a series of at least one optical wavelength from an incoming light signal'1997 5,671,304'Two-dimensional optoelectronic tune-switch'1997 4,989,933'Guided light diffuser'1991 4,763,019'Apparatus comprising harmonic generation means'1988 4,715,672'Optical waveguide utilizing an antiresonant layered structure'1987 4,395,769'Tunable semiconductor laser'1983 4,378,599'Semiconductor laser having broadband laser gain'1983 3,991,318'Optical detection systems utilizing organ arrays of optical fibers'1976 3,958,229'Optical memory systems utilizing organ arrays of optical fibers'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to BELL TELEPHONE LABOR INC (4)· patent assignee history

1976Based in Summit, NJ, US· patent location history

1983–1988Based in Fair Haven, NJ, US· patent location history

1987–1988Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (2)· patent assignee history

1991–2010Patents assigned to DUGUAY MICHEL A (2)· patent assignee history

1991Based in Quebec, CA· patent location history

1997–2006Patents assigned to UNIV LAVAL (5)· patent assignee history

1997–2006Based in Ste-Foy, CA· patent location history

1997–2010Based in Sainte-Foy, CA· patent location history

2010Patents assigned to FAUCHER PHILIPPE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
UNIV LAVAL	5	1997–2006
BELL TELEPHONE LABOR INC	4	1976–1983
AMERICAN TELEPHONE & TELEGRAPH	2	1987–1988
DUGUAY MICHEL Aself	2	1991–2010
FAUCHER PHILIPPE	1	2010

Locations

Location	Patents	Span
Ste-Foy, CA	4	1997–2006
Fair Haven, New Jersey, US	4	1983–1988
Sainte-Foy, CA	2	1997–2010
Summit, New Jersey, US	2	1976
Quebec, CA	1	1991