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

Ping-Chen Chang — 3 Patents in 2018

UMUnited Microelectronics: 3 patents #110 of 636Top 20%
Pingtung City, TW: #2 of 16 inventorsTop 15%
Overall (2018): #61,079 of 503,207Top 15%
3 Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10008489 Electrostatic discharge protection semiconductor device Chung-Yu Huang, Kuan-Cheng Su, Tien-Hao Tang 2018-06-26 $240,000
10008492 Electrostatic discharge (ESD) protection device and method fabricating the ESD protection device Chung-Yu Huang, Hou-Jen Chiu 2018-06-26 $240,000
9899369 Layout structure for electrostatic discharge protection Pei-Shan Tseng, Yu-Cheng Liao, Tien-Hao Tang, Kuan-Cheng Su 2018-02-20 $154,000