Inventor
Jerzy A. Dobrowolski
Inventor
Ottawa, CA
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus28%
G06KGraphical data reading11%
G07FCoin-freed or like apparatus8%
C23CCoating metallic material6%
H04NPictorial communication, e.g. television6%
H10KOrganic electric solid-state devices6%
Y10TTechnical subjects covered by former us classification6%
B42DBooks3%
F21SNon-portable lighting devices3%
F21VFunctional features or details of lighting devices or systems thereof3%
PatentTitleYear
8,817,371'Polarizing beam splitters'20147,863,632'High performance light-emitting devices'20116,271,968'Cut-off filters'20016,217,720'Multi-layer reactive sputtering method with reduced stabilization time'20015,982,541'High efficiency projection displays having thin film polarizing beam-splitters'19995,912,762'Thin film polarizing device'19995,619,059'Color deformable mirror device having optical thin film interference color coatings'19975,568,251'Authenticating system'19965,521,759'Optical filters for suppressing unwanted reflections'19965,510,163'Optical storage media having visible logos'19965,049,780'Optical interference, electroluminescent device having low reflectance'19915,009,486'Form depicting, optical interference authenticating device'19914,707,064'Optical mixing/demixing device'19874,649,462'Viewing angle color sensitive lighting accessory'19874,626,445'Method of manufacturing an optical interference authenticating device'19864,543,910'Vapor deposition regulating apparatus'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985–1991Patents assigned to CANADIAN PATENTS DEV (5)· patent assignee history
1985–2014Based in Ottawa, CA· patent location history
1991–2011Patents assigned to CA NAT RESEARCH COUNCIL (8)· patent assignee history
1996Based in Ottowa, CA· patent location history
1999Patents assigned to NATIONSL RESEARCH COUNCIL OF C (1)· patent assignee history
2014Patents assigned to BOOTHROYD SIMON ANDREW (1)· patent assignee history
2014Patents assigned to DOBROWOLSKI JERZY ADAM (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CA NAT RESEARCH COUNCIL | 8 | 1991–2011 |
| CANADIAN PATENTS DEV | 5 | 1985–1991 |
| BOOTHROYD SIMON ANDREW | 1 | 2014 |
| DOBROWOLSKI JERZY ADAMself | 1 | 2014 |
| NATIONSL RESEARCH COUNCIL OF C | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ottawa, CA | 15 | 1985–2014 |
| Ottowa, CA | 1 | 1996 |