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

Peter Chang — 5 Patents

USUnited Semiconductor: 1 patents #27 of 92Top 30%
Saskatoon, CA: #158 of 909 inventorsTop 20%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Peter Chang has been granted 5 US patents while listed as an inventor at United Semiconductor. The first was granted in 1999 and the most recent in August 2006. Peter Chang ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Peter Chang in Saskatoon, SK, CA.

Patents per Year

Patents granted per year, 1999 to 2006Bar chart with a peak of 1 patents in 1999.peak 11999: 1 patents19992001: 1 patents20012003: 1 patents20032004: 1 patents20042006: 1 patents2006

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7097072 Continuous-flow fluid dispenser Ah Beng Tan 2006-08-29
6793102 Continuous-flow drinking-fluid dispenser Ah Beng Tan 2004-09-21
6588630 Continuous-flow drinking fluid dispenser An Beng Tan 2003-07-08
6180471 Method of fabricating high voltage semiconductor device Gary Hong, Joe Ko 2001-01-30
5997877 Method of extraction of commercially valuable fractions of fenugreek 1999-12-07