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

Ruhe Shi — 3 Patents

Comcast: 2 patents #1,655 of 4,447Top 40%
TSTexas A&M University System: 1 patents #649 of 1,706Top 40%
College Station, TX: #318 of 1,144 inventorsTop 30%
Texas: #41,402 of 125,132 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ruhe Shi has been granted 3 US patents while listed as an inventor at Comcast. The first was granted in 2002 and the most recent in October 2008. Ruhe Shi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ruhe Shi in College Station, TX, US.

Patents per Year

Patents granted per year, 2002 to 2008Bar chart with a peak of 1 patents in 2002.peak 12002: 1 patents20022006: 1 patents20062008: 1 patents2008

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7432660 IC-based low cost reliable electronic ballast with multiple striking attempts and end of lamp life protection David Anthony Blair, Peter W. Shackle 2008-10-07 $319,000
7015652 Electronic ballast having end of lamp life, overheating, and shut down protections, and reignition and multiple striking capabilities 2006-03-21 $338,000
6426605 Multi-phase induction motor drive system and method Hamid A. Toliyat, Huangsheng Xu 2002-07-30