Inventor · disambiguated record
Isao Akitake
Also filed as: AKITAKE ISAO
5 granted patents·87 citations·filing 1977–1995
80Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0180US5554960ABranching filter, branching filter module and radio commnication apparatusHITACHI LTD·Filed 1995·Granted Sep 10, 1996·63 cites·23 claims
- 0249US4349696AAM Stereophonic demodulator circuit for amplitude/angle modulation systemHITACHI LTD·Filed 1980·Granted Sep 14, 1982·10 cites·6 claims
- 0346US4122394APhase-shifting multiplication type FM signal demodulation circuitHITACHI LTD·Filed 1977·Granted Oct 24, 1978·7 cites·17 claims
- 0441US4146842ANoise muting circuit in fm receiverHITACHI LTD·Filed 1977·Granted Mar 27, 1979·4 cites·9 claims
- 0538US4139825AAudio frequency amplifierHITACHI LTD·Filed 1978·Granted Feb 13, 1979·3 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →