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

Dennis D. Harper — 4 Patents

AGAtari Games: 4 patents #5 of 35Top 15%
Campbell, CA: #899 of 2,187 inventorsTop 45%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Dennis D. Harper has been granted 4 US patents while listed as an inventor at Atari Games. The first was granted in 1994 and the most recent in April 1997. Dennis D. Harper ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Dennis D. Harper in Campbell, CA, US.

Patents per Year

Patents granted per year, 1994 to 1997Bar chart with a peak of 2 patents in 1994.peak 21994: 2 patents19941996: 1 patents19961997: 1 patents1997

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5621431 Animation system having variable video display rate Frank Kuan 1997-04-15
5519826 Stop motion animation system J. Cameron Petty, Stephen Riesenberger 1996-05-21
5364271 Bicycle and motorcycle riding simulation system Jack Aknin, Wade O. Winblad 1994-11-15 $6,437,000
5299810 Vehicle simulator including cross-network feedback Mark S. Pierce, Milton H. Loper, III, David S. Akers, Samuel Lee 1994-04-05 $10,578,000