Inventor · disambiguated record
Sadao Takenaka
Also filed as: TAKENAKA SADAO
8 granted patents·231 citations·filing 1979–1988
89Inventor score
Technology areasH04L
Top patents by PatentIndex Score
8 records- 0181US4912726ADecision timing control circuitFUJITSU LTD·Filed 1988·Granted Mar 27, 1990·66 cites·19 claims
- 0276US4809298ARadio data transmission systemFUJITSU LTD·Filed 1986·Granted Feb 28, 1989·59 cites·7 claims
- 0369US4394626APhase synchronizing circuitFUJITSU LTD·Filed 1980·Granted Jul 19, 1983·28 cites·14 claims
- 0458US5005186ADigital demodulator apparatusFUJITSU LTD·Filed 1988·Granted Apr 2, 1991·22 cites·18 claims
- 0557US4310803ABandpass filter circuitKURIHARA HIROSHI·Filed 1979·Granted Jan 12, 1982·14 cites·12 claims
- 0653US4860316AMultilevel amplitude modulation and demodulation communication systemFUJITSU LTD·Filed 1988·Granted Aug 22, 1989·18 cites·22 claims
- 0751US4247938AMethod for generating a pseudo-signal in an error rate supervisory unit and circuit for carrying out the sameFUJITSU LTD·Filed 1979·Granted Jan 27, 1981·10 cites·19 claims
- 0847US4665532ARadio communication systemFUJITSU LTD·Filed 1985·Granted May 12, 1987·14 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Sadao Takenaka 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 →