Inventor · disambiguated record
Yoshihiko Akaiwa
Also filed as: AKAIWA YOSHIHIKO
19 granted patents·1 pending application·981 citations·filing 1975–2008
96Inventor score
Top patents by PatentIndex Score
20 records- 0198US5097484ADiversity transmission and reception method and equipmentSUMITOMO ELECTRIC INDUSTRIES·Filed 1989·Granted Mar 17, 1992·269 cites·7 claims
- 0291US7098734B2Distortion-compensated amplifier using predistortion techniqueHITACHI INT ELECTRIC INC·Filed 2004·Granted Aug 29, 2006·53 cites·20 claims
- 0391US4355401ARadio transmitter/receiver for digital and analog communications systemNIPPON ELECTRIC CO·Filed 1980·Granted Oct 19, 1982·141 cites·5 claims
- 0489US4817116ADigital radio communication system utilizing quadrature modulated carrier wavesNEC CORP·Filed 1985·Granted Mar 28, 1989·109 cites·4 claims
- 0587US7944295B2PredistorterHITACHI INT ELECTRIC INC·Filed 2008·Granted May 17, 2011·17 cites·3 claims
- 0686US5710995AAdaptive antenna receiverFORD MOTOR CO·Filed 1997·Granted Jan 20, 1998·102 cites·11 claims
- 0784US8175551B2Distortion compensation device for use in high-frequency power amplifierAKAIWA YOSHIHIKO·Filed 2006·Granted May 8, 2012·19 cites·8 claims
- 0878US4776039AReceiver for mobile communication systemsNEC CORP·Filed 1986·Granted Oct 4, 1988·36 cites·1 claims
- 0977US6859099B2Nonlinear distortion compensation power amplifierJAPAN SCIENCE & TECH CORP·Filed 2001·Granted Feb 22, 2005·22 cites·15 claims
- 1069US4661970ACordless telephone systemNEC CORP·Filed 1986·Granted Apr 28, 1987·29 cites·3 claims
- 1168US4882766ATerminal station of a radio communication network capable of effectively using radio channels assigned to the networkNEC CORP·Filed 1987·Granted Nov 21, 1989·26 cites·7 claims
- 1266US4752742AFrequency demodulator for recovering digital signalsNEC CORP·Filed 1987·Granted Jun 21, 1988·31 cites·4 claims
- 1365US4747101AMethod of determining optimal transmission channel in multi-station communications systemNEC CORP·Filed 1986·Granted May 24, 1988·71 cites·6 claims
- 1453US7529316B2TransmitterHITACHI INT ELECTRIC INC·Filed 2004·Granted May 5, 2009·2 cites·9 claims
- 1551US4652699AVoice scrambler using frequency-inversion and band-splitting techniqueNEC CORP·Filed 1985·Granted Mar 24, 1987·12 cites·1 claims
- 1649US4050038AEdge-guided mode non-reciprocal circuit element for microwave energyNIPPON ELECTRIC CO·Filed 1975·Granted Sep 20, 1977·9 cites·11 claims
- 1747US4651107ADemodulator for digital FM signalsNEC CORP·Filed 1984·Granted Mar 17, 1987·11 cites·10 claims
- 1842US2009296638A1Wireless Communication Apparatus, Wireless Communication Method and Wireless Communication ProgramKYOCERA CORP·Filed 2006·Application pending·0 cites
- 1940US5109529AMethod of assigning frequency channel in mobile communications systemNEC CORP·Filed 1988·Granted Apr 28, 1992·21 cites·6 claims
- 2030US5181182AMulti-level band-restricted waveform generatorKOKUSAI ELECTRIC CO LTD·Filed 1991·Granted Jan 19, 1993·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →