Inventor · disambiguated record
Chih-Chen Yen
Also filed as: YEN CHIH-CHEN
2 granted patents·6 pending applications·4 citations·filing 2003–2008
45Inventor score
Top patents by PatentIndex Score
8 records- 0143US7082624B2Water-separating apparatus for toilet tankFLUSHTECH CORP·Filed 2004·Granted Aug 1, 2006·3 cites·11 claims
- 0241US7322615B1Adjustable plumbing fittingYEN CHIH-CHEN·Filed 2007·Granted Jan 29, 2008·1 cites·4 claims
- 0341US2009211009A1Hydraulic Actuator Valve Assembly And Toilet Tank Flush Device Having The SameYEN CHIH-CHEN·Filed 2008·Application pending·0 cites
- 0438US2006196555A1Control stopFLUSHTECH CORP·Filed 2005·Application pending·0 cites
- 0532US2006196542A1Vacuum breakerFLUSHTECH CORP·Filed 2005·Application pending·0 cites
- 0632US2006197342A1Connector for bridging a control stop and a flush valveFLUSHTECH CORP·Filed 2005·Application pending·0 cites
- 0730US2005278842A1Toilet tank automatic flush apparatusYEN CHIH-CHEN·Filed 2004·Application pending·0 cites
- 0822US2005056322A1Flow control apparatus for flush valves of toiletsFiled 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Chih-Chen Yen 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 →