Inventor · disambiguated record
Koji Matsuyama
Also filed as: MATSUYAMA KOJI
27 granted patents·2 pending applications·341 citations·filing 1993–2018
96Inventor score
Top patents by PatentIndex Score
29 records- 0191US6088583AAutomatic gain control circuitFUJITSU LTD·Filed 1998·Granted Jul 11, 2000·78 cites·6 claims
- 0288US9699703B2Radio communication apparatus, radio communication system and radio communication methodFUJITSU LTD·Filed 2013·Granted Jul 4, 2017·12 cites·30 claims
- 0388US6650692B2CDMA receiverFUJITSU LTD·Filed 2001·Granted Nov 18, 2003·42 cites·13 claims
- 0483US8941281B2Rotating electrical machine and stator thereofKABATA YASUO·Filed 2011·Granted Jan 27, 2015·8 cites·13 claims
- 0582US10259350B2Lock release mechanismNHK SPRING CO LTD·Filed 2017·Granted Apr 16, 2019·6 cites·7 claims
- 0678US7283510B2Wireless receiver estimating power of interferenceFUJITSU LTD·Filed 2002·Granted Oct 16, 2007·20 cites·8 claims
- 0773US7602089B2Rotary electric machineTOSHIBA KK·Filed 2007·Granted Oct 13, 2009·6 cites·11 claims
- 0871US8047078B2Flaw detection testing methodTOSHIBA KK·Filed 2009·Granted Nov 1, 2011·3 cites·7 claims
- 0970US7711664B2Predicting crack propagation in the shaft dovetail of a generator rotorTOSHIBA KK·Filed 2006·Granted May 4, 2010·2 cites·7 claims
- 1066US6754256B1Searcher for CDMA receiver apparatusFUJITSU LTD·Filed 1999·Granted Jun 22, 2004·36 cites·25 claims
- 1165US8413696B2Pneumatic tireDOAN VAN QUANG·Filed 2008·Granted Apr 9, 2013·5 cites·1 claims
- 1263US8076805B2Rotating electric machine with rotor cooling slotsKABATA YASUO·Filed 2008·Granted Dec 13, 2011·4 cites·9 claims
- 1362US8333006B2Method for removing a crack in an electromechanical rotorMATSUYAMA KOJI·Filed 2006·Granted Dec 18, 2012·4 cites·13 claims
- 1462US7793399B2Method for removing a crack in an electromechanical rotorTOSHIBA KK·Filed 2007·Granted Sep 14, 2010·3 cites·12 claims
- 1560US6359875B1CDMA receiving apparatusFUJITSU LTD·Filed 1998·Granted Mar 19, 2002·27 cites·5 claims
- 1659US7866020B2Method for repairing a crack in an electromechanical rotor, method for preventing crack growth in the same, electromechanical rotor and rotary electrical machineTOSHIBA KK·Filed 2006·Granted Jan 11, 2011·3 cites·4 claims
- 1759US7023904B2Synchronization tracking circuitFUJITSU LTD·Filed 2001·Granted Apr 4, 2006·6 cites·6 claims
- 1858US6487193B1Path searched device and CDMA receiver with the sameFUJITSU LTD·Filed 1999·Granted Nov 26, 2002·24 cites·20 claims
- 1957US7994979B2Antenna positioning method and antenna mounting device for communication device, and antenna deviceFUJITSU LTD·Filed 2009·Granted Aug 9, 2011·2 cites·12 claims
- 2056US10486561B2Lock release lever attachment structureNHK SPRING CO LTD·Filed 2018·Granted Nov 26, 2019·1 cites·6 claims
- 2154US6198763B1Transmitter and receiver for spread-spectrum communicationFUJITSU LTD·Filed 1996·Granted Mar 6, 2001·18 cites·21 claims
- 2253US10081911B2Method for manufacturing brass-plated steel wire and apparatus for drawing brass-plated steel wireMATSUYAMA KOJI·Filed 2009·Granted Sep 25, 2018·0 cites·3 claims
- 2353US5754606AClock signal regenerating circuitFUJITSU LTD·Filed 1995·Granted May 19, 1998·21 cites·7 claims
- 2449US8144753B2Detection device of a spreading code and a timing, and a method thereofMATSUYAMA KOJI·Filed 2009·Granted Mar 27, 2012·0 cites·1 claims
- 2546US2004170238A1Frequency synchronizing method and frequency synchronizing apparatusFiled 2004·Application pending·0 cites
- 2638US9159475B2High pressure bushing of rotating electrical machine and rotating electrical machineTOSHIBA KK·Filed 2013·Granted Oct 13, 2015·0 cites·16 claims
- 2738US5373247AAutomatic frequency control method and circuit for correcting an error between a received carrier frequency and a local frequencyFUJITSU LTD·Filed 1993·Granted Dec 13, 1994·10 cites·25 claims
- 2836US8027313B2Wireless communication device and method of restraining dispersion of propagation environment indexFUJITSU LTD·Filed 2008·Granted Sep 27, 2011·0 cites·6 claims
- 2933US2013279443A1Wireless communication apparatusFUJITSU LTD·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →