Inventor · disambiguated record
Yu-Chang Cheng
Also filed as: CHENG YU-CHANG
2 granted patents·2 pending applications·20 citations·filing 2004–2020
58Inventor score
Files withCAL COMP ELECTRONICS & COMM CO1CHENG YU-CHANG1TSANN KUEN ZHANGZHOU ENTPR CO1UNIV NAT TAIWAN1
Top patents by PatentIndex Score
4 records- 0165US7577465B2Slidable bluetooth earphone structureCAL COMP ELECTRONICS & COMM CO·Filed 2007·Granted Aug 18, 2009·5 cites·9 claims
- 0264US7181295B2Method and apparatus for PID controller with adjustable deadtime compensationUNIV NAT TAIWAN·Filed 2004·Granted Feb 20, 2007·15 cites·12 claims
- 0348US2021315410A1Grinding device, coffee maker having the same and method for controlling grinding deviceTSANN KUEN ZHANGZHOU ENTPR CO·Filed 2020·Application pending·0 cites
- 0438US2008070524A1Slidable blue tooth earphone deviceCHENG YU-CHANG·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yu-Chang Cheng 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 →