Inventor · disambiguated record
Er-Ta Ma
Also filed as: MA ER-TA
1 granted patent·3 pending applications·0 citations·filing 2003–2005
1Inventor score
Top patents by PatentIndex Score
4 records- 0122US2006069781A1Global internet voice communication system methodHOU ERH-JEN·Filed 2004·Application pending·0 cites
- 0222US2006164391A1Joystick structure for a computer USB keyboard and mouseMA ER-TA·Filed 2005·Application pending·0 cites
- 0321US2004202188A1IP voice packet network voice systemCAMANGI CORP·Filed 2003·Application pending·0 cites
- 0417US7466693B2Global internet voice communication systemHOU ERH-JEN·Filed 2005·Granted Dec 16, 2008·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Er-Ta Ma 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 →