Inventor · disambiguated record
Toshihito Ichikawa
Also filed as: ICHIKAWA TOSHIHITO
13 granted patents·1 pending application·315 citations·filing 1981–2001
93Inventor score
Top patents by PatentIndex Score
14 records- 0187US4776040ASuperheterodyne receiverPIONEER ELECTRONIC CORP·Filed 1987·Granted Oct 4, 1988·52 cites·4 claims
- 0283US5220687ARadio receiver having switch for switching between a wide filter and a narrow filterPIONEER ELECTRONIC CORP·Filed 1991·Granted Jun 15, 1993·85 cites·10 claims
- 0368US5390342AReceiver using selective diversity receiving systemPIONEER ELECTRONIC CORP·Filed 1991·Granted Feb 14, 1995·43 cites·8 claims
- 0466US5731741AReceiver frequency synthesizer-tuner providing high speed tuningPIONEER ELECTRONIC CORP·Filed 1996·Granted Mar 24, 1998·29 cites·6 claims
- 0559US5745845AReceiver with automatic receiving-station switching functionPIONEER ELECTRONIC CORP·Filed 1995·Granted Apr 28, 1998·40 cites·6 claims
- 0651US4368355AAM Stereophonic signal receiver with electric field strength detectionPIONEER ELECTRONIC CORP·Filed 1981·Granted Jan 11, 1983·10 cites·7 claims
- 0748US5201062ANoise reducing circuitPIONEER ELECTRONIC CORP·Filed 1991·Granted Apr 6, 1993·17 cites·2 claims
- 0847US6006078AReceiver with improved lock-up time and high tuning stabilityPIONEER ELECTRONIC CORP·Filed 1996·Granted Dec 21, 1999·14 cites·2 claims
- 0945US5263184ANoise reducing circuit for a receiver using a fuzzy controllerPIONEER ELECTRONIC CORP·Filed 1990·Granted Nov 16, 1993·10 cites·8 claims
- 1041US4691356AAM/FM synchronizing circuitPIONEER ELECTRONIC CORP·Filed 1986·Granted Sep 1, 1987·5 cites·5 claims
- 1137US2002057750A1OFDM receiverPIONEER CORP·Filed 2001·Application pending·0 cites
- 1235US4648114AAM stereo demodulatorPIONEER ELECTRONIC CORP·Filed 1985·Granted Mar 3, 1987·4 cites·6 claims
- 1332US4759079ARandom noise detecting system and methodPIONEER ELECTRONIC CORP·Filed 1984·Granted Jul 19, 1988·3 cites·6 claims
- 1432US4633497ASeparation control circuitPIONEER ELECTRONIC CORP·Filed 1985·Granted Dec 30, 1986·3 cites·5 claims
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