Inventor
John E. Spencer
Inventor
Plano, TX, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Jprimary
H01JElectric discharge tubes or discharge lamps32%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them15%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light6%
H04NPictorial communication, e.g. television6%
LOC246%
A61MDevices for introducing media into, or onto, the body3%
B23KSoldering or unsoldering3%
C23CCoating metallic material3%
PatentTitleYear
8,995,481'Light generating system and method'20158,696,136'Rear projection display using laser excited photoluminescence'20148,693,513'Light generating system and method'2014D0618790'Portion of a dental syringe'2010D0606651'Handle portion of a dental syringe'20096,163,006'Permanent magnet ECR plasma source with magnetic field optimization'20005,869,802'Plasma producing structure'19995,560,563'Light shield for closing the film slot of a film cartridge'19965,194,885'Methods of, apparatus for, and a camera capable of automatically selecting an optimal angle for bounce illumination'19934,891,087'Isolation substrate ring for plasma reactor'19904,821,058'Camera with flash responsive focus system'19894,776,923'Plasma product treatment apparatus and methods and gas transport systems for use therein'19884,723,943'Sheathed syringe'19884,676,620'Demetering cam for a disk camera'19874,673,456'Microwave apparatus for generating plasma afterglows'19874,659,413'Automated single slice cassette load lock plasma reactor'19874,657,617'Anodized aluminum substrate for plasma etch reactor'19874,657,620'Automated single slice powered load lock plasma reactor'19874,657,618'Powered load lock electrode/substrate assembly including robot arm, optimized for plasma process uniformity and rate'19874,654,106'Automated plasma reactor'19874,623,417'Magnetron plasma reactor'19864,492,443'Camera mechanism'19854,360,756'Metal halide lamp containing ThI.sub.4 with added elemental cadmium or zinc'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Based in South Euclid, OH, US· patent location history
1985–1996Patents assigned to EASTMAN KODAK CO (5)· patent assignee history
1985–1996Based in Geneseo, NY, US· patent location history
1986–1990Patents assigned to TEXAS INSTRUMENTS INC (7)· patent assignee history
1986–2015Based in Plano, TX, US· patent location history
1987–1988Patents assigned to MACHINE TECHNOLOGY INC (2)· patent assignee history
1988Based in Great Falls, MT, US· patent location history
2009–2010Patents assigned to DENTAL COMPONENTS LLC (2)· patent assignee history
2009–2010Based in Palm Desert, CA, US· patent location history
2014–2015Patents assigned to PHOTODIGM INC (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEXAS INSTRUMENTS INC | 7 | 1986–1990 |
| EASTMAN KODAK CO | 5 | 1985–1996 |
| PHOTODIGM INC | 3 | 2014–2015 |
| DENTAL COMPONENTS LLC | 2 | 2009–2010 |
| MACHINE TECHNOLOGY INC | 2 | 1987–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Plano, Texas, US | 14 | 1986–2015 |
| Geneseo, New York, US | 5 | 1985–1996 |
| Palm Desert, California, US | 2 | 2009–2010 |
| Great Falls, MT, US | 1 | 1988 |
| South Euclid, OH, US | 1 | 1982 |