Assignee
CHANG CHIA-CHUN
TW·6 granted patents·1 pending application·50 citations·filing 2009–2012
Top patents by PatentIndex Score
7 records- 0191US8807525B2Quick-release couplingCHANG CHIA-CHUN·Filed 2012·Granted Aug 19, 2014·14 cites·4 claims
- 0291US8599501B2Lens moduleCHANG CHIA-CHUN·Filed 2012·Granted Dec 3, 2013·16 cites·8 claims
- 0390US8253839B2Lens assembly and camera module having sameCHANG CHIA-CHUN·Filed 2010·Granted Aug 28, 2012·12 cites·16 claims
- 0477US8467008B2Clamping device, backlight module, and display apparatusCHANG CHIA-CHUN·Filed 2009·Granted Jun 18, 2013·8 cites·24 claims
- 0556US8120695B2Camera module having a lens barrel holder including a protrusion inserted in a recess in a sidewall of the lens barrel and providing good coaxialityCHANG CHIA-CHUN·Filed 2009·Granted Feb 21, 2012·0 cites·10 claims
- 0651US9248479B2Cleaning device for cleaning optical lenses in trayCHANG CHIA-CHUN·Filed 2012·Granted Feb 2, 2016·0 cites·9 claims
- 0745US2013291976A1Quick-release couplingCHANG CHIA-CHUN·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when CHANG CHIA-CHUN 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 →