Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Hamm — 5 Patents

ATAccsys Technology: 2 patents #2 of 8Top 25%
DCDaiichi Pharmaceutical Co.: 2 patents #103 of 399Top 30%
Hitachi: 1 patents #17,777 of 28,497Top 65%
Pleasanton, CA: #1,046 of 3,062 inventorsTop 35%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Robert Hamm has been granted 5 US patents while listed as an inventor at Accsys Technology. The first was granted in 1987 and the most recent in July 2008. Robert Hamm ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Robert Hamm in Pleasanton, CA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7394081 Radioisotope production apparatus and radiopharmaceutical production apparatus Takashi Okazaki, Kazuki Tsuchida, Hirofumi Seki 2008-07-01 $263,000
6420416 Method of treating epilepsy S. Michelle Deford, Tadashi Shiotani 2002-07-16
6348489 Method of treating traumatic brain injury and other neuronal disorders S. Michelle Deford, Tadashi Shiotani 2002-02-19
5382914 Proton-beam therapy linac Kenneth R. Crandall, James M. Potter 1995-01-17
4712042 Variable frequency RFQ linear accelerator 1987-12-08