Inventor · disambiguated record
Yasuyuki Oishi
Also filed as: OISHI YASUYUKI
69 granted patents·7 pending applications·2,316 citations·filing 1983–2014
99Inventor score
Top patents by PatentIndex Score
76 records- 0197US7248221B2Radio tag antenna structure for an optical recording medium and a case for an optical recording medium with a radio tag antennaFUJITSU LTD·Filed 2004·Granted Jul 24, 2007·170 cites·18 claims
- 0297US6836517B2Distortion compensating apparatusFUJITSU LTD·Filed 2000·Granted Dec 28, 2004·111 cites·22 claims
- 0394US6567478B2Radio apparatus having distortion compensating functionFUJITSU LTD·Filed 2001·Granted May 20, 2003·74 cites·21 claims
- 0494US6028894ASIR or SNR measurement apparatusFUJITSU LTD·Filed 1997·Granted Feb 22, 2000·175 cites·4 claims
- 0594US5870668AAmplifier having distortion compensation and base station for radio communication using the sameFUJITSU LTD·Filed 1996·Granted Feb 9, 1999·111 cites·43 claims
- 0693US6552609B2Signal distortion compensating apparatus and methodFUJITSU LTD·Filed 2001·Granted Apr 22, 2003·64 cites·21 claims
- 0792US7663436B2Power amplifier with distortion compensation circuitFUJITSU LTD·Filed 2007·Granted Feb 16, 2010·25 cites·6 claims
- 0892US7551687B2Distortion compensating apparatusFUJITSU LTD·Filed 2005·Granted Jun 23, 2009·21 cites·9 claims
- 0992US6826169B1Code multiplexing transmitting apparatusFUJITSU LTD·Filed 2000·Granted Nov 30, 2004·51 cites·24 claims
- 1091US4861746ACatalyst for hydrotreating heavy hydrocarbon oils and a method of preparing the catalystNIPPON OIL CO LTD·Filed 1988·Granted Aug 29, 1989·61 cites·5 claims
- 1190US7012969B2Distortion compensating apparatusFUJITSU LTD·Filed 2000·Granted Mar 14, 2006·44 cites·21 claims
- 1289US6097714ACode multiplexing transmitting apparatusFUJITSU LTD·Filed 1997·Granted Aug 1, 2000·93 cites·14 claims
- 1388US6907085B2Activation method of communications apparatus with a non-linear distortion compensation deviceFUJITSU LTD·Filed 2001·Granted Jun 14, 2005·36 cites·15 claims
- 1488US4870659AFSK demodulation circuitFUJITSU LTD·Filed 1988·Granted Sep 26, 1989·112 cites·18 claims
- 1587US6757525B1Distortion compensating apparatusFUJITSU LTD·Filed 2002·Granted Jun 29, 2004·44 cites·14 claims
- 1687US5272723AWaveform equalizer using a neural networkFUJITSU LTD·Filed 1991·Granted Dec 21, 1993·72 cites·50 claims
- 1785US7020447B2Method and apparatus for compensating for distortion in radio apparatusFUJITSU LTD·Filed 2001·Granted Mar 28, 2006·35 cites·5 claims
- 1885US6980604B2Transmission device and transmission methodFUJITSU LTD·Filed 2001·Granted Dec 27, 2005·47 cites·26 claims
- 1985US6717464B2Distortion compensating apparatusFUJITSU LTD·Filed 2002·Granted Apr 6, 2004·33 cites·26 claims
- 2085US6041034ASpread spectrum communication systemFUJITSU LTD·Filed 1997·Granted Mar 21, 2000·69 cites·19 claims
- 2184US7379759B2MIMO wireless communication system and wireless communication apparatusesFUJITSU LTD·Filed 2006·Granted May 27, 2008·10 cites·15 claims
- 2284US6577273B2Radio transceiver and method of controlling direction of radio-wave emissionFUJITSU LTD·Filed 2000·Granted Jun 10, 2003·18 cites·13 claims
- 2382US6864745B2Distortion compensation deviceFUJITSU LTD·Filed 2003·Granted Mar 8, 2005·33 cites·17 claims
- 2481US6657493B2Distortion compensation apparatus and distortion compensation methodFUJITSU LTD·Filed 2002·Granted Dec 2, 2003·27 cites·16 claims
- 2580US6009090ACode multiplexing wireless apparatusFUJITSU LTD·Filed 1997·Granted Dec 28, 1999·67 cites·9 claims
- 2679US7512384B2Control unit and a control methodFUJITSU LTD·Filed 2005·Granted Mar 31, 2009·11 cites·16 claims
- 2779US7106133B2Distortion compensatorFUJITSU LTD·Filed 2004·Granted Sep 12, 2006·23 cites·16 claims
- 2879US6081698ARadio apparatus and offset compensating methodFUJITSU LTD·Filed 1998·Granted Jun 27, 2000·51 cites·34 claims
- 2977US8508426B2Variable directional antennaHONDA ATSUSHI·Filed 2010·Granted Aug 13, 2013·5 cites·8 claims
- 3077US8022878B2RFID tag and manufacturing method thereofFUJITSU LTD·Filed 2007·Granted Sep 20, 2011·6 cites·2 claims
- 3177US6853631B1Code-division multiplex communication transmitting apparatus and receiving apparatus and method thereofFUJITSU LTD·Filed 1999·Granted Feb 8, 2005·53 cites·8 claims
- 3276US8462052B2RFID tag and manufacturing method thereofYAMAGAJO TAKASHI·Filed 2011·Granted Jun 11, 2013·3 cites·1 claims
- 3376US7551905B2Distortion compensation apparatusFUJITSU LTD·Filed 2004·Granted Jun 23, 2009·21 cites·10 claims
- 3476US6864839B2Radio transceiver and method of controlling direction of radio-wave emissionFUJITSU LTD·Filed 2003·Granted Mar 8, 2005·23 cites·4 claims
- 3576US6058138ARadio reception system providing improved transmission qualityFUJITSU LTD·Filed 1997·Granted May 2, 2000·53 cites·10 claims
- 3675US6496474B1Spread encoding device and methodFUJITSU LTD·Filed 1998·Granted Dec 17, 2002·41 cites·14 claims
- 3773US7026991B2Radio transceiver and method of controlling direction of radio-wave emissionFUJITSU LTD·Filed 2004·Granted Apr 11, 2006·8 cites·2 claims
- 3871US4760045ACatalyst for hydrotreatment of heavy oils and method for its preparationNIPPON OIL CO LTD·Filed 1986·Granted Jul 26, 1988·28 cites·15 claims
- 3970US8588711B2Transmission apparatus and distortion compensation methodISHIKAWA HIROYOSHI·Filed 2011·Granted Nov 19, 2013·4 cites·12 claims
- 4069US7224720B2Correlator and delay lock loop circuitFUJITSU LTD·Filed 2003·Granted May 29, 2007·9 cites·3 claims
- 4169US7035672B2MIMO wireless communication system and wireless communication apparatusesFUJITSU LTD·Filed 2004·Granted Apr 25, 2006·9 cites·15 claims
- 4269US4482450AProcess for catalytic reaction of heavy oilsNIPPON OIL CO LTD·Filed 1983·Granted Nov 13, 1984·18 cites·4 claims
- 4368US7277677B2Control device for antenna matching circuitFUJITSU LTD·Filed 2004·Granted Oct 2, 2007·18 cites·20 claims
- 4466US6563859B1Receiver and receiving method in multi-carrier spread-spectrum communicationsFUJITSU LTD·Filed 1999·Granted May 13, 2003·55 cites·22 claims
- 4565US7030807B2Radar deviceFUJITSU LTD·Filed 2005·Granted Apr 18, 2006·6 cites·20 claims
- 4663US7254377B2Parallel operation system of transmission amplifierNTT DOCOMO INC·Filed 2001·Granted Aug 7, 2007·7 cites·11 claims
- 4763US6108548AMobile station and soft handoff methodFUJITSU LTD·Filed 1997·Granted Aug 22, 2000·47 cites·5 claims
- 4863US6018545ACommunications device employing spectrum spreading in transmitted bits along a time axisFUJITSU LTD·Filed 1997·Granted Jan 25, 2000·31 cites·16 claims
- 4963US4836914AMethod for removing iron content in petroleum series mineral oil therefromNIPPON OIL CO LTD·Filed 1988·Granted Jun 6, 1989·19 cites·12 claims
- 5062US7746957B2Distortion correction control apparatus and distortion correction control methodFUJITSU LTD·Filed 2009·Granted Jun 29, 2010·4 cites·10 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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