Inventor · disambiguated record
Yohtaro Umeda
Also filed as: UMEDA YOHTARO
3 granted patents·1 pending application·25 citations·filing 2003–2007
64Inventor score
Top patents by PatentIndex Score
4 records- 0180US7868701B2Transimpedance amplifierNIPPON TELEPHONE AND TELEGRAPH CORP·Filed 2005·Granted Jan 11, 2011·21 cites·18 claims
- 0246US7187227B2Driver circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2003·Granted Mar 6, 2007·4 cites·7 claims
- 0340US7511539B2Driver circuitNIPPON TELEGRAPH & TELEPHONE·Filed 2007·Granted Mar 31, 2009·0 cites·3 claims
- 0440US2008226298A1Optical Transmission SystemNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yohtaro Umeda 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 →