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

Patrick Cheng — 3 Patents

UMUnited Microelectronics: 3 patents #1,523 of 4,560Top 35%
Kaohsiung, TW: #895 of 2,441 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Patrick Cheng has been granted 3 US patents while listed as an inventor at United Microelectronics. The first was granted in 2000 and the most recent in January 2001. Patrick Cheng ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Patrick Cheng in Kaohsiung, TW.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6176770 Grindstone having a vacuum system in a pin chuck stepper Chung-Hsien Kao, Li-Chung Lee, Mei-Ling Chen 2001-01-23 $1,642,000
6125644 Container of coolant Shih-Hsun Chiu, Li-Chung Lee, Wei-Sheng Chia 2000-10-03
6021669 Container of coolant Shih-Hsun Chiu, Li-Chung Lee, Wei-Sheng Chia 2000-02-08