Inventor · disambiguated record
Hiroyasu Ishikawa
Also filed as: ISHIKAWA HIROYASU
27 granted patents·6 pending applications·1,152 citations·filing 1981–2015
97Inventor score
Top patents by PatentIndex Score
33 records- 0195US4675999APortable power tool equipped with dust collectorHITACHI KOKI KK·Filed 1985·Granted Jun 30, 1987·86 cites·10 claims
- 0294US5613193ACompensation of frequency offsetKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Mar 18, 1997·153 cites·4 claims
- 0388US5640678AMacrocell-microcell communication system with minimal mobile channel hand-offKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted Jun 17, 1997·155 cites·4 claims
- 0487US5455844ASelection diversity system using decision feedback equalizer in digital mobile telecommunication systemsKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Oct 3, 1995·93 cites·2 claims
- 0586US5345245ADifferential data signal transmission techniqueKOKUSAI DENSHIN DENWA CO LTD·Filed 1993·Granted Sep 6, 1994·98 cites·3 claims
- 0685US10041554B2Pad assembly for disc brakeAKEBONO BRAKE IND·Filed 2015·Granted Aug 7, 2018·8 cites·5 claims
- 0784US9440626B2Drum brake type electric parking brake apparatusAKEBONO BRAKE IND·Filed 2012·Granted Sep 13, 2016·6 cites·4 claims
- 0883US5490284ASatellite/land mobile communication system integration schemeKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Feb 6, 1996·140 cites·2 claims
- 0981US9097300B2Drum brake type electric parking brake apparatusAKEBONO BRAKE IND·Filed 2013·Granted Aug 4, 2015·5 cites·3 claims
- 1079US6051289ALiquid crystalline polymer film, laminate sheet for optical element using same, and optical element using the laminateNIPPON PETROCHEMICALS CO LTD·Filed 1997·Granted Apr 18, 2000·52 cites·12 claims
- 1177US5969669AMethod for determining position of mobile earth station in satellite communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1995·Granted Oct 19, 1999·53 cites·3 claims
- 1276US4370579APower tool having a printed circuit boardHITACHI KOKI KK·Filed 1981·Granted Jan 25, 1983·36 cites·6 claims
- 1375US6785248B2Spread spectrum communication method and spread spectrum communication apparatusDDI CORP·Filed 2000·Granted Aug 31, 2004·18 cites·10 claims
- 1474US7391715B2Transmitter device and transmitting method using OFDM and MC-CDMAKDDI CORP·Filed 2003·Granted Jun 24, 2008·25 cites·2 claims
- 1572US5558476ADual-motor-driven drilling machine and method of controlling currents flowing in motorsHITACHI KOKI KK·Filed 1995·Granted Sep 24, 1996·48 cites·12 claims
- 1670US6026713APneumatically operated screw driverHITACHI KOKI KK·Filed 1998·Granted Feb 22, 2000·28 cites·11 claims
- 1765US7336742B2Frequency error correction device and OFDM receiver with the deviceKDDI CORP·Filed 2003·Granted Feb 26, 2008·12 cites·8 claims
- 1860US6166687AMethod for determining position of mobile earth station in satellite communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1999·Granted Dec 26, 2000·23 cites·4 claims
- 1960US5774462AUnique word recognition systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Jun 30, 1998·24 cites·7 claims
- 2058US5974082ASpread spectrum communications systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Oct 26, 1999·25 cites·14 claims
- 2151US7123941B2Radio LAN master station systemKDDI CORP·Filed 2002·Granted Oct 17, 2006·3 cites·3 claims
- 2249US7135347B2Method for manufacturing nitride film including high-resistivity GaN layer and epitaxial substrate manufactured by the methodNGK INSULATORS LTD·Filed 2004·Granted Nov 14, 2006·2 cites·12 claims
- 2345US6104746ASpread spectrum communication systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1997·Granted Aug 15, 2000·19 cites·5 claims
- 2445US2010265739A1Light-diffusing sheet and backlight device using sameFUNABASHI YOHEI·Filed 2009·Application pending·0 cites
- 2544US5751703AEnergy dispersal method for TDMA carrierKOKUSAI DENSHIN DENWA CO LTD·Filed 1996·Granted May 12, 1998·13 cites·1 claims
- 2641US2004116077A1Transmitter device and receiver device adopting space time transmit diversity multicarrier CDMA, and wireless communication system with the transmitter device and the receiver deviceKDDI CORP·Filed 2003·Application pending·0 cites
- 2739US6629121B1Surface acoustic wave-matched filter and differential detector for demodulating spread spectrum signalsFiled 1999·Granted Sep 30, 2003·7 cites·1 claims
- 2839US6154506ATiming recovery and tracking method and apparatus for data signalsKOKUSAI DENSHIN DENWA CO LTD·Filed 1998·Granted Nov 28, 2000·11 cites·8 claims
- 2939US2004219328A1Laminated soft magnetic member, soft magnetic sheet and production method for laminated soft magnetic memberFiled 2002·Application pending·0 cites
- 3038US2005000755A1Brake operating apparatusAKEBONO BRAKE IND·Filed 2004·Application pending·0 cites
- 3137US5588026AMethod of compensating phase shift keying frequency offsetKOKUSAI DENSHIN DENWA CO LTD·Filed 1994·Granted Dec 24, 1996·9 cites·4 claims
- 3237US2003211827A1Repeater for radio communication systemFiled 2003·Application pending·0 cites
- 3333US2012205209A1Drum brake type parking brake apparatusTSUZUKU HARUO·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →