Inventor · disambiguated record
Kazuhisa Obuchi
Also filed as: OBUCHI KAZUHISA
159 granted patents·26 pending applications·922 citations·filing 1996–2016
99Inventor score
Top patents by PatentIndex Score
185 records- 0194US8601336B2Transmission controlling method, sender apparatus and receiver apparatus for wireless communication systemFUJITSU LTD·Filed 2013·Granted Dec 3, 2013·11 cites·4 claims
- 0292US8483184B2Handover control apparatus, mobile station, base station, handover control server, and handover control methodYOKOYAMA HITOSHI·Filed 2010·Granted Jul 9, 2013·16 cites·15 claims
- 0390US7653026B2Wireless communication system, wireless base station, and mobile stationFUJITSU LTD·Filed 2005·Granted Jan 26, 2010·20 cites·11 claims
- 0489US7428693B2Error-detecting encoding and decoding apparatus and dividing apparatusFUJITSU LTD·Filed 2004·Granted Sep 23, 2008·63 cites·12 claims
- 0589US7272396B2Wireless base station and mobile stationFUJITSU LTD·Filed 2005·Granted Sep 18, 2007·17 cites·13 claims
- 0688US8270525B2Digital radio communications method using multi-level modulation scheme and transmitter and receiverNAKAGAWA TAKAO·Filed 2008·Granted Sep 18, 2012·18 cites·13 claims
- 0786US8891485B2Mobile station and a base stationOHTA YOSHIAKI·Filed 2012·Granted Nov 18, 2014·4 cites·4 claims
- 0886US8060022B2Communication method in mobile communication system, and mobile station and base station in the same systemTAJIMA YOSHIHARU·Filed 2010·Granted Nov 15, 2011·6 cites·5 claims
- 0986US7512860B2Communication system and receiving methodFUJITSU LTD·Filed 2004·Granted Mar 31, 2009·45 cites·19 claims
- 1086US7500166B2Data receiving apparatus and hybrid-ARQ communication systemFUJITSU LTD·Filed 2005·Granted Mar 3, 2009·14 cites·17 claims
- 1185US9407350B2Radio communication system, base station, relay station, and radio communication methodFUJITSU LTD·Filed 2016·Granted Aug 2, 2016·3 cites·2 claims
- 1285US8295866B2Mobile user terminal, mobile communication system, base station, and communication methodOBUCHI KAZUHISA·Filed 2011·Granted Oct 23, 2012·4 cites·2 claims
- 1385US7965791B2Transmitting apparatus with bit arrangement methodFUJITSU LTD·Filed 2010·Granted Jun 21, 2011·6 cites·10 claims
- 1485US6574766B2Turbo decoding apparatus and interleave-deinterleave apparatusFUJITSU LTD·Filed 2001·Granted Jun 3, 2003·38 cites·6 claims
- 1583US9088392B2Mobile user terminal, mobile communication system, base station, and communication methodFUJITSU LTD·Filed 2012·Granted Jul 21, 2015·3 cites·6 claims
- 1683US8406796B2Mobile user terminal, mobile communication system, base station, and communication methodOBUCHI KAZUHISA·Filed 2012·Granted Mar 26, 2013·3 cites·4 claims
- 1782US8181099B2Transmission deviceMIYAZAKI SHUNJI·Filed 2008·Granted May 15, 2012·10 cites·14 claims
- 1882US7974649B2Mobile user terminal, mobile communication system, base station, and communication methodFUJITSU LTD·Filed 2010·Granted Jul 5, 2011·3 cites·12 claims
- 1982US7912487B2Mobile communication system, base station, terminal device, and transmission control methodFUJITSU LTD·Filed 2007·Granted Mar 22, 2011·10 cites·12 claims
- 2081US8064937B2Mobile user terminal, mobile communication system, base station, and communication methodOBUCHI KAZUHISA·Filed 2007·Granted Nov 22, 2011·5 cites·27 claims
- 2181US7096402B2Turbo decoderFUJITSU LTD·Filed 2001·Granted Aug 22, 2006·32 cites·11 claims
- 2280US9326287B2Radio communication system, base station, relay station, and radio communication methodFUJITSU LTD·Filed 2015·Granted Apr 26, 2016·2 cites·2 claims
- 2380US8768392B2Timing adjustment method, user equipment, base station, and mobile communication systemOHTA YOSHIAKI·Filed 2011·Granted Jul 1, 2014·3 cites·6 claims
- 2480US8233453B2Method for dropping packet data, radio communication device, and mobile communication systemOHTA YOSHIAKI·Filed 2008·Granted Jul 31, 2012·5 cites·8 claims
- 2580US7936735B2Radio communication apparatus and transmission methodFUJITSU LTD·Filed 2008·Granted May 3, 2011·9 cites·8 claims
- 2679US8086256B2Communication method in mobile communication system, and mobile station and base station in the same systemTAJIMA YOSHIHARU·Filed 2009·Granted Dec 27, 2011·5 cites·3 claims
- 2779US7860186B2Transmitting apparatus with bit arrangement methodFUJITSU LTD·Filed 2004·Granted Dec 28, 2010·18 cites·14 claims
- 2879US6711149B1Handover method in CDMA mobile communication base station and mobile stationFUJITSU LTD·Filed 1999·Granted Mar 23, 2004·76 cites·25 claims
- 2979US6615386B2Error correcting apparatusFUJITSU LTD·Filed 2001·Granted Sep 2, 2003·26 cites·8 claims
- 3078US6526539B1Turbo decoderFUJITSU LTD·Filed 2000·Granted Feb 25, 2003·24 cites·54 claims
- 3178US5937005AError rate measurement apparatus for a mobile radio communications systemFUJITSU LTD·Filed 1996·Granted Aug 10, 1999·56 cites·21 claims
- 3277US9037177B2Timing adjustment method in a mobile communication system that performs an adjustment of uplink transmission timing by random access between a user equipment and a base stationFUJITSU LTD·Filed 2013·Granted May 19, 2015·2 cites·4 claims
- 3377US8902838B2Method for random access in wireless communication system, wireless communication system, wireless terminal, and base station unitOHTA YOSHIAKI·Filed 2012·Granted Dec 2, 2014·2 cites·7 claims
- 3477US8832514B2Transmission controlling method, sender apparatus and receiver apparatus for wireless communication systemOHTA YOSHIAKI·Filed 2012·Granted Sep 9, 2014·2 cites·3 claims
- 3577US8738980B2Transmission controlling method, sender apparatus and receiver apparatus for wireless communication systemOHTA YOSHIAKI·Filed 2012·Granted May 27, 2014·2 cites·3 claims
- 3677US8290497B2Mobile station apparatus and cell selecting methodTAJIMA YOSHIHARU·Filed 2009·Granted Oct 16, 2012·6 cites·6 claims
- 3776US9565597B2Radio communication method, relay station and mobile stationFUJITSU LTD·Filed 2013·Granted Feb 7, 2017·3 cites·7 claims
- 3876US9198086B2Radio communication method, relay station, mobile station, and mobile communication systemFUJITSU LTD·Filed 2013·Granted Nov 24, 2015·3 cites·9 claims
- 3976US8787956B2Timing adjustment method, user equipment, base station, and mobile communication systemOHTA YOSHIAKI·Filed 2010·Granted Jul 22, 2014·2 cites·7 claims
- 4076US8488714B2Hierarchical modulating method and transmitter performing hierarchical modulationWU JIANMING·Filed 2009·Granted Jul 16, 2013·6 cites·8 claims
- 4176US7082317B2Communication apparatus and outer-loop power control methodFUJITSU LTD·Filed 2004·Granted Jul 25, 2006·19 cites·13 claims
- 4275US9113466B2Radio communication system, base station, relay station, and radio communication methodFUJITSU LTD·Filed 2013·Granted Aug 18, 2015·2 cites·13 claims
- 4375US6335923B2Mobile communication terminal and transmission power control method thereforFUJITSU LTD·Filed 1997·Granted Jan 1, 2002·82 cites·18 claims
- 4474US6714582B2Code division multiple access communication system and code division multiple access transmitting apparatusFUJITSU LTD·Filed 2002·Granted Mar 30, 2004·14 cites·26 claims
- 4573US8780792B2Wireless base station and mobile stationOBUCHI KAZUHISA·Filed 2005·Granted Jul 15, 2014·5 cites·14 claims
- 4673US8453028B2Radio base station for performing radio communication with mobile stationYANO TETSUYA·Filed 2010·Granted May 28, 2013·2 cites·12 claims
- 4773US8239718B2Wireless communication apparatus, transmitting method and receiving methodOBUCHI KAZUHISA·Filed 2008·Granted Aug 7, 2012·5 cites·15 claims
- 4873US8000348B2Radio receiving apparatusFUJITSU LTD·Filed 2007·Granted Aug 16, 2011·3 cites·7 claims
- 4972US8885618B2Wireless communications system, base station, and mobile stationYANO TETSUYA·Filed 2010·Granted Nov 11, 2014·2 cites·12 claims
- 5072US8700979B2Error correcting code decoding device, decoding method, and mobile station apparatusARAI HIROAKI·Filed 2012·Granted Apr 15, 2014·5 cites·12 claims
Showing the top 50 of 185 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →