Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John E. Spencer — 24 Patents

TITexas Instruments: 7 patents #2,112 of 12,488Top 20%
Eastman Kodak: 5 patents #2,059 of 8,114Top 30%
PHPhotodigm: 4 patents #4 of 21Top 20%
DCDental Components: 2 patents #8 of 15Top 55%
VLVaccine Technology Limited: 2 patents #5 of 26Top 20%
UCUniversity Of Cincinnati: 1 patents #288 of 791Top 40%
GE: 1 patents #19,940 of 36,430Top 55%
South Euclid, OH: #4 of 185 inventorsTop 3%
Ohio: #2,530 of 73,341 inventorsTop 4%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
John E. Spencer has been granted 24 US patents while listed as an inventor at Texas Instruments. The first was granted in 1982 and the most recent in March 2022. John E. Spencer ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list John E. Spencer in South Euclid, OH, US.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11280884 LIDAR instrument and method for operating a LIDAR instrument 2022-03-22
8995481 Light generating system and method Martin Achtenhagen 2015-03-31
8696136 Rear projection display using laser excited photoluminescence Martin Achtenhagen, Preston P. Young 2014-04-15
8693513 Light generating system and method Martin Achtenhagen 2014-04-08
D618790 Portion of a dental syringe Timothy Daniel Bukoski, Glenn Klecker, Jason Spencer 2010-06-29
D606651 Handle portion of a dental syringe Timothy Daniel Bukoski, Glenn Klecker, Jason Spencer 2009-12-22
6163006 Permanent magnet ECR plasma source with magnetic field optimization Frank C. Doughty 2000-12-19
5869802 Plasma producing structure Robert Westmoreland, Thomas D. Mantei 1999-02-09
5560563 Light shield for closing the film slot of a film cartridge Wilbert F. Janson, Jr., Douglas H. Pearson 1996-10-01 $7,828,000
5194885 Methods of, apparatus for, and a camera capable of automatically selecting an optimal angle for bounce illumination 1993-03-16 $4,375,000
4891087 Isolation substrate ring for plasma reactor Cecil J. Davis, Thomas D. Bonifield, Rhett B. Jucha, William J. Stiltz, Randall E. Johnson +2 more 1990-01-02 $2,365,000
4821058 Camera with flash responsive focus system John H. Minnick, Peter S. Tisack 1989-04-11 $3,482,000
4776923 Plasma product treatment apparatus and methods and gas transport systems for use therein Scott S. Miller, Woodie J. Sutton, Andrew M. Hoff 1988-10-11 $111,000
4723943 Sheathed syringe 1988-02-09
4676620 Demetering cam for a disk camera Douglas H. Pearson 1987-06-30 $13,766,000
4673456 Microwave apparatus for generating plasma afterglows Richard A. Borel, Kenneth E. Linxwiler, Andrew M. Hoff 1987-06-16 $288,000
4659413 Automated single slice cassette load lock plasma reactor Cecil J. Davis, Randall E. Johnson, Rhett B. Jucha, Frederick W. Brown, Stanford P. Kohan 1987-04-21 $2,640,000
4657617 Anodized aluminum substrate for plasma etch reactor Randall E. Johnson 1987-04-14 $1,895,000
4657618 Powered load lock electrode/substrate assembly including robot arm, optimized for plasma process uniformity and rate Randall E. Johnson, Dan Hockersmith, Randall C. Hildenbrand, John I. Jones, William S. Jaspersen 1987-04-14 $1,895,000
4657620 Automated single slice powered load lock plasma reactor Cecil J. Davis, Dan Hockersmith, Randall C. Hildenbrand, Frederick W. Brown, Stanford P. Kohan 1987-04-14 $1,895,000
4654106 Automated plasma reactor Cecil J. Davis, Randall E. Johnson 1987-03-31 $2,401,000
4623417 Magnetron plasma reactor Duane E. Carter, Dave Autery 1986-11-18 $2,573,000
4492443 Camera mechanism Reginald S. Greene, Terrence L. Fisher 1985-01-08 $14,648,000
4360756 Metal halide lamp containing ThI.sub.4 with added elemental cadmium or zinc Ashok K. Bhattacharya 1982-11-23 $2,865,000