Inventor · disambiguated record
Hidehiko Norimatsu
Also filed as: NORIMATSU HIDEHIKO
25 granted patents·558 citations·filing 1990–2002
97Inventor score
Top patents by PatentIndex Score
25 records- 0194US5554892ASignal processing circuit for switch capable of reducing insertion lossNEC CORPROATION·Filed 1994·Granted Sep 10, 1996·87 cites·17 claims
- 0291US5656972AMethod and device for controlling output power of a power amplifierNEC CORP·Filed 1995·Granted Aug 12, 1997·82 cites·11 claims
- 0377US5640686ARadio communication device capable of communication in a plurality of communication systemsNEC CORP·Filed 1995·Granted Jun 17, 1997·58 cites·4 claims
- 0474US6344821B2Mobile communication system and inter-bases station synchronzing methodNEC CORP·Filed 2000·Granted Feb 5, 2002·15 cites·11 claims
- 0573US5276408APLL frequency synthesizer capable of changing an output frequency at a high speedNEC CORP·Filed 1992·Granted Jan 4, 1994·33 cites·3 claims
- 0668US5329577ATelephone having touch sensor for responding to a callNEC CORP·Filed 1992·Granted Jul 12, 1994·44 cites·28 claims
- 0768US5113152APll frequency synthesizer with circuit for changing loop filter time constantNEC CORP·Filed 1991·Granted May 12, 1992·30 cites·6 claims
- 0867US5701603ARadio apparatus having a plurality of antennasNEC CORP·Filed 1995·Granted Dec 23, 1997·35 cites·6 claims
- 0963US6577850B2Booster for amplifying the transmission output of a handy phoneNEC CORP·Filed 2001·Granted Jun 10, 2003·6 cites·6 claims
- 1058US5148349AElectronic part mountable on the surface of a printed circuit board and method of mounting the sameNEC CORP·Filed 1991·Granted Sep 15, 1992·20 cites·7 claims
- 1157US5465400APower supply control device for controlling the turning on and off of power supplyNEC CORP·Filed 1992·Granted Nov 7, 1995·19 cites·9 claims
- 1256US5173665APll frequency synthesizer capable of changing an output frequency at a high speedNEC CORP·Filed 1991·Granted Dec 22, 1992·16 cites·3 claims
- 1355US7047034B2Portable telephone terminal and method of customizing the sameNEC CORP·Filed 2002·Granted May 16, 2006·3 cites·6 claims
- 1454US5101176ABurst control circuit for use in tdma communications systemNEC CORP·Filed 1991·Granted Mar 31, 1992·13 cites·20 claims
- 1552US5247265APLL frequency synthesizer capable of changing an output frequency at a high speedNEC CORP·Filed 1992·Granted Sep 21, 1993·16 cites·2 claims
- 1651US5089794AVibration absorbing case for an oscillatorNEC CORP·Filed 1990·Granted Feb 18, 1992·14 cites·8 claims
- 1749US5790061AAdaptive A/D converting device for adaptively converting and input analog signal into an output digital signal having a constant quantizing errorNEC CORP·Filed 1996·Granted Aug 4, 1998·14 cites·24 claims
- 1849US5307378ADigital radio communication apparatusNEC CORP·Filed 1992·Granted Apr 26, 1994·17 cites·4 claims
- 1945US6081701AGain controllerNEC CORP·Filed 1998·Granted Jun 27, 2000·13 cites·10 claims
- 2041US6775250B1Method of updating reference value in high speed closed loop based on likelihoodNEC CORP·Filed 2000·Granted Aug 10, 2004·2 cites·3 claims
- 2139US5101177AVoltage controlled oscillator mounted on laminated printed circuit boardNEC CORP·Filed 1990·Granted Mar 31, 1992·7 cites·11 claims
- 2237US6389303B1Booster for amplifying the transmission output of a handy phoneNEC CORP·Filed 1999·Granted May 14, 2002·6 cites·4 claims
- 2335US5483682AApparatus for controlling an efficiency control signal to be supplied to a power amplification circuit in a time division multiple access modeNEC CORP·Filed 1993·Granted Jan 9, 1996·4 cites·9 claims
- 2433US6556848B2Power amplifierNEC CORP·Filed 2001·Granted Apr 29, 2003·0 cites·3 claims
- 2533US6321099B1Portable radio unit and antenna gain switching method thereofNEC CORP·Filed 1997·Granted Nov 20, 2001·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →