Inventor · disambiguated record
Ping Chang
Also filed as: CHANG PING · CHANG PING-LUNG
6 granted patents·1 pending application·34 citations·filing 1990–2010
78Inventor score
Files withBOC GROUP INC3CHANG PING1CHANG PING LUNG1FERROTEC USA CORP1TEMESCAL A UNIT OF THE BOC GRO1
Top patents by PatentIndex Score
7 records- 0159US8926755B2Lift-off deposition system featuring a density optimized HULA substrate holder in a conical deposition chamberCHANG PING·Filed 2010·Granted Jan 6, 2015·1 cites·18 claims
- 0252US7764008B2Electron beam gunFERROTEC USA CORP·Filed 2007·Granted Jul 27, 2010·0 cites·20 claims
- 0346US5326321AAdjusting device for adjusting the instantaneous relative angular difference between two rotating membersCHANG PING LUNG·Filed 1992·Granted Jul 5, 1994·15 cites·5 claims
- 0445US5012064AElectron beam evaporation sourceBOC GROUP INC·Filed 1990·Granted Apr 30, 1991·9 cites·5 claims
- 0535US5861599ARod-fed electron beam evaporation systemBOC GROUP INC·Filed 1997·Granted Jan 19, 1999·7 cites·6 claims
- 0633US2003180462A1Planetary lift-off vapor deposition systemTEMESCAL A UNIT OF THE BOC GRO·Filed 2002·Application pending·0 cites
- 0729US5905753AFree-standing rotational rod-fed sourceBOC GROUP INC·Filed 1997·Granted May 18, 1999·2 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Ping Chang files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →