Inventor · disambiguated record
Ying-Yi Chang
Also filed as: CHANG YING-YI
2 granted patents·3 pending applications·1 citations·filing 2005–2008
30Inventor score
Top patents by PatentIndex Score
5 records- 0156US7726953B2Pump ringUNITED MICROELECTRONICS CORP·Filed 2005·Granted Jun 1, 2010·1 cites·6 claims
- 0241US8105648B2Method for operating a chemical deposition chamberLAI CHIEN-HSIN·Filed 2008·Granted Jan 31, 2012·0 cites·13 claims
- 0333US2007131888A1Throttle valve and piston ring thereofLAI CHIEN-HSING·Filed 2007·Application pending·0 cites
- 0430US2006145115A1Throttle valve and piston ring thereofLAI CHIEN-HSING·Filed 2005·Application pending·0 cites
- 0527US2006156987A1Lift pin mechanism and substrate carrying device of a process chamberLAI CHIEN-HSING·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →