Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David D. Ngo — 8 Patents

AMAmoco: 5 patents #148 of 1,251Top 15%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
FLFijitsu Limited: 1 patents #2 of 65Top 4%
Naperville, IL: #490 of 3,051 inventorsTop 20%
Illinois: #11,515 of 84,256 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David D. Ngo has been granted 8 US patents while listed as an inventor at Amoco. The first was granted in 1995 and the most recent in May 2001. David D. Ngo ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David D. Ngo in Naperville, IL, US.

Patents per Year

Patents granted per year, 1995 to 2001Bar chart with a peak of 3 patents in 1996.peak 31995: 1 patents19951996: 3 patents19961997: 1 patents19972000: 1 patents20002001: 2 patents2001

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6226171 Power conducting substrates with high-yield integrated substrate capacitor Solomon I. Beilin, William T. Chou, Michael G. Lee, Michael G. Peters, James J. Roman +1 more 2001-05-01
6221567 Method of patterning polyamic acid layers Solomon I. Beilin, William T. Chou 2001-04-24
6159666 Environmentally friendly removal of photoresists used in wet etchable polyimide processes Som S. Swamy 2000-12-12
5599655 Photoimageable polyimide coating 1997-02-04 $31,917,000
5532110 Photoimageable polyimide coating 1996-07-02 $60,251,000
5504830 Photocurable polyimide coated glass fiber Paul J. Cahill, John J. Greczek 1996-04-02 $69,497,000
5501941 Photoimageable polyimide coating 1996-03-26 $26,930,000
5427862 Photocurable polyimide coated glass fiber Paul J. Cahill, John J. Greczek 1995-06-27 $109,728,000