Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
DC

David Chapman — 18 Patents

VTVlsi Technology: 3 patents #168 of 594Top 30%
MIT: 2 patents #2,550 of 9,367Top 30%
APArris Pharmaceutical: 2 patents #4 of 32Top 15%
Apple: 1 patents #12,397 of 18,612Top 70%
PAPhilips Electronics North America: 1 patents #328 of 725Top 50%
APAxys Pharmaceuticals: 1 patents #51 of 111Top 50%
PSPenn State: 1 patents #667 of 1,788Top 40%
Albuquerque, NM: #166 of 4,547 inventorsTop 4%
New Mexico: #304 of 9,035 inventorsTop 4%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
David Chapman has been granted 18 US patents while listed as an inventor at Vlsi Technology. The first was granted in 1989 and the most recent in April 2020. David Chapman ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list David Chapman in Albuquerque, NM, US.

Patents per Year

Patents granted per year, 1989 to 2020Bar chart with a peak of 2 patents in 1996.peak 21989: 1 patents19891992: 1 patents1996: 2 patents19961997: 1 patents1998: 1 patents19982000: 2 patents2001: 1 patents20012006: 2 patents2009: 1 patents20092010: 1 patents2012: 1 patents20122013: 2 patents2019: 1 patents20192020: 1 patents2020

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10636929 Cross-talk suppression in Geiger-mode avalanche photodiodes K. Alexander McIntosh, Joseph P. Donnelly, Douglas C. Oakley, Antonio Napoleone, Erik K. Duerr +2 more 2020-04-28
10361334 Cross-talk suppression in Geiger-mode avalanche photodiodes K. Alexander McIntosh, Joseph P. Donnelly, Douglas C. Oakley, Antonio Napoleone, Erik K. Duerr +2 more 2019-07-23
8555219 Identifying hierarchical chip design intellectual property through digests 2013-10-08
8352890 Method for reading polygon data into an integrated circuit router 2013-01-08
8266571 Methods and devices for independent evaluation of cell integrity, changes and origin in chip design for production workflow Thomas J. Grebinski 2012-09-11
7685545 Methods and devices for independent evaluation of cell integrity, changes and origin in chip design for production workflow Thomas J. Grebinski 2010-03-23
7506289 Approach for routing an integrated circuit 2009-03-17
7155207 System and method of analyzing communications between a calling party and a called party Ben Levitan 2006-12-26
7065729 Approach for routing an integrated circuit 2006-06-20
6275971 Methods and apparatus for design rule checking Harold J. Levy, Subhas Bothra 2001-08-14
6128767 Polygon representation in an integrated circuit layout 2000-10-03
6081766 Machine-learning approach to modeling biological activity for molecular design and to modeling other characteristics Roger Critchlow, Thomas G. Dietterich, Ajay Jain, Richard H. Lathrop, Tomas Lozano-Perez 2000-06-27 $6,440,000
5815416 Method of measuring energy consumption in a circuit simulator Peter Liebmann, Michael N. Misheloff 1998-09-29 $1,078,000
5703792 Three dimensional measurement of molecular diversity 1997-12-30 $7,662,000
5569581 Alteration and prediction of male fertility using seminal plasma and its components Gary Killian, Aida Cancel, Margaret A. Henault 1996-10-29
5526281 Machine-learning approach to modeling biological activity for molecular design and to modeling other characteristics Roger Critchlow, Ajay Jain, Rick Lathrop, Tomas L. Perez, Tom Dietterich 1996-06-11 $2,435,000
5113451 Method for labelling polygons Herve G. Duprez 1992-05-12 $3,045,000
4849313 Method for making a reticle mask Wesley R. Erck 1989-07-18 $1,880,000