Inventor · disambiguated record
Kazuhiko Hikasa
Also filed as: HIKASA KAZUHIKO
19 granted patents·6 pending applications·489 citations·filing 1995–2009
96Inventor score
Top patents by PatentIndex Score
25 records- 0194US7116949B2Semiconductor integrated circuit device and wireless communication systemRENESAS TECH CORP·Filed 2003·Granted Oct 3, 2006·95 cites·13 claims
- 0289US7433653B2Transmitter and semiconductor integrated circuit for communicationRENESAS TECH CORP·Filed 2007·Granted Oct 7, 2008·16 cites·3 claims
- 0389US7324787B2Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication systemRENESAS TECH CORP·Filed 2004·Granted Jan 29, 2008·71 cites·5 claims
- 0488US7248842B2Wireless communication apparatus having a phase control loop shared by first and second modulation modes and an amplitude control loopTIPCOM LTD·Filed 2006·Granted Jul 24, 2007·23 cites·4 claims
- 0588US7085544B2Transmitter having a phase control loop whose frequency bandwidth is varied in accordance with modulation modesTTP COMMUNICATIONS LTD·Filed 2003·Granted Aug 1, 2006·36 cites·13 claims
- 0687US7366481B2Apparatus for radio telecommunication system and method of building up output powerRENESAS TECH CORP·Filed 2007·Granted Apr 29, 2008·15 cites·4 claims
- 0787US6930549B2Variable gain amplifier for use in communicationsRENESAS TECH CORP·Filed 2003·Granted Aug 16, 2005·29 cites·24 claims
- 0887US5859862AOptical recording/reproducing apparatus having laser diode driver capable of a linear operation responsive to an input signal representative of a laser beam power varying depending on a magneto-optical disk-laser beam spot relative speedHITACHI LTD·Filed 1995·Granted Jan 12, 1999·66 cites·7 claims
- 0985US6750719B2Communication semiconductor integrated circuit device and wireless communication systemRENESAS TECH CORP·Filed 2002·Granted Jun 15, 2004·28 cites·8 claims
- 1080US7209717B2Apparatus for radio telecommunication system and method of building up output powerRENESAS TECH CORP·Filed 2003·Granted Apr 24, 2007·28 cites·11 claims
- 1179US7132900B2High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication systemRENESAS TECH CORP·Filed 2004·Granted Nov 7, 2006·25 cites·11 claims
- 1275US7233206B2Semiconductor integrated circuit device and wireless communication systemRENESAS TECH CORP·Filed 2003·Granted Jun 19, 2007·16 cites·5 claims
- 1374US7194244B2Wireless communication receiverRENESAS TECH CORP·Filed 2002·Granted Mar 20, 2007·13 cites·12 claims
- 1474US7110730B2Apparatus for mobile communication system which performs signal transmission by amplitude modulation and phase modulationTTP COM LTD·Filed 2003·Granted Sep 19, 2006·18 cites·2 claims
- 1566US8160178B2TransmitterTOYOTA KENJI·Filed 2009·Granted Apr 17, 2012·5 cites·16 claims
- 1655US7463091B2Communication semiconductor integrated circuit device and wireless communication systemRENESAS TECH CORP·Filed 2007·Granted Dec 9, 2008·2 cites·16 claims
- 1750US7288986B2Communication semiconductor integrated circuit device and wireless communication systemRENESAS TECH CORP·Filed 2004·Granted Oct 30, 2007·2 cites·16 claims
- 1848US7336136B2High frequency semiconductor integrated circuit device, wireless electric unit and wireless communication systemRENESAS TECH CORP·Filed 2006·Granted Feb 26, 2008·0 cites·14 claims
- 1948US2007142012A1Wireless communication receiverAKAMINE YUKINORI·Filed 2007·Application pending·0 cites
- 2046US7356092B2Wireless communication system and communication semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2004·Granted Apr 8, 2008·1 cites·11 claims
- 2146US2007093225A1Semiconductor integrated circuit device and wireless communication systemRENESAS TECH CORP·Filed 2006·Application pending·0 cites
- 2246US2010056201A1Semiconductor integrated circuit and circuit operation methodRENESAS TECH CORP·Filed 2009·Application pending·0 cites
- 2346US2005233714A1Variable gain amplifier for use in communicationsRENESAS TECH CORP·Filed 2005·Application pending·0 cites
- 2444US2006293004A1Semiconductor integrated circuit device and wireless communication systemIRIE KIYOSHI·Filed 2006·Application pending·0 cites
- 2538US2006293001A1Apparatus for mobile communication systemOKADA KAZUHISA·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →