Assignee
CHENG YU-CHIH
TW·14 granted patents·3 pending applications·236 citations·filing 2003–2014
Top patents by PatentIndex Score
17 records- 0195USD552663SEyeglassesCHENG YU CHIH·Filed 2005·Granted Oct 9, 2007·73 cites·1 claims
- 0294USD550758SEyeglassesCHENG YU-CHIH·Filed 2007·Granted Sep 11, 2007·64 cites·1 claims
- 0381US8081160B2Separable and shape-changeable mouseCHENG YU-CHIH·Filed 2007·Granted Dec 20, 2011·12 cites·4 claims
- 0480US8164017B2Key structure and keyboard having such key structureCHENG YU-CHIH·Filed 2009·Granted Apr 24, 2012·9 cites·9 claims
- 0579USD633553SEyeglassesCHENG YU-CHIH·Filed 2010·Granted Mar 1, 2011·24 cites·1 claims
- 0673USD547788SEyegearCHENG YU-CHIH·Filed 2006·Granted Jul 31, 2007·19 cites·1 claims
- 0772US8080755B2Key structure and keyboard having such key structureCHENG YU-CHIH·Filed 2009·Granted Dec 20, 2011·6 cites·7 claims
- 0872US7458680B1EyeglassesCHENG YU-CHIH·Filed 2008·Granted Dec 2, 2008·9 cites·6 claims
- 0966US7192135B1Eyeglasses assemblyCHENG YU-CHIH·Filed 2005·Granted Mar 20, 2007·6 cites·6 claims
- 1058USD572293SEyeglassesCHENG YU-CHIH·Filed 2008·Granted Jul 1, 2008·10 cites·1 claims
- 1153US2014115524A1Universal x, y-axis positioning input methodCHENG YU-CHIH·Filed 2014·Application pending·0 cites
- 1251US7671842B2Dual mode input deviceCHENG YU-CHIH·Filed 2006·Granted Mar 2, 2010·0 cites·28 claims
- 1350US7167160B2Dual mode input deviceCHENG YU-CHIH·Filed 2003·Granted Jan 23, 2007·1 cites·23 claims
- 1448US2006176284A1Universal x,y-axis positioning input methodCHENG YU-CHIH·Filed 2005·Application pending·0 cites
- 1545US7546233B2Succession Chinese character input methodCHENG YU-CHIH·Filed 2005·Granted Jun 9, 2009·0 cites·4 claims
- 1644US2005217300A1Computer cooling systemCHENG YU-CHIH·Filed 2005·Application pending·0 cites
- 1739USD552664SEyeglassesCHENG YU CHIH·Filed 2006·Granted Oct 9, 2007·3 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when CHENG YU-CHIH files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →