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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Steven Espinal — 7 Patents

ALAlza: 6 patents #105 of 419Top 30%
Sunnyvale, CA: #3,819 of 14,302 inventorsTop 30%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Steven Espinal has been granted 7 US patents while listed as an inventor at Alza. The first was granted in 1997 and the most recent in September 2010. Steven Espinal ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Steven Espinal in Sunnyvale, CA, US.

Patents per Year

Patents granted per year, 1997 to 2010Bar chart with a peak of 2 patents in 1997.peak 21997: 2 patents19971998: 1 patents19982001: 1 patents20012003: 1 patents20032006: 1 patents20062010: 1 patents2010

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7803401 Dosage form comprising liquid formulation Liang Dong, Patrick S. L. Wong 2010-09-28
7147867 Dosage form comprising liquid formulation Liang Dong, Patrick S. L. Wong 2006-12-12
6551613 Dosage form comprising therapeutic formulation Liang Dong, Patrick S. L. Wong, Vincent J. Ferrari 2003-04-22
6174547 Dosage form comprising liquid formulation Liang Dong, Patrick S. L. Wong 2001-01-16 $37,122,000
5770227 Progesterone replacement therapy Liang Dong, Patrick S. L. Wong 1998-06-23 $26,885,000
5633011 Progesterone replacement therapy Liang Dong, Patrick S. L. Wong 1997-05-27 $12,680,000
5620705 Progestin tablet Liang Dong, Patrick S. L. Wong 1997-04-15 $4,172,000