Inventor

CHANG YING-YI

TW2 patents

⚠️ This page may combine multiple inventors who share the name “CHANG YING-YI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNITED MICROELECTRONICS CORP

1 patent

US7726953B2Jun 1, 2010

Pump ring

UNITED MICROELECTRONICS CORP1 citations35

LAI CHIEN-HSIN

1 patent

US8105648B2Jan 31, 2012

Method for operating a chemical deposition chamber

LAI CHIEN-HSIN0 citations34