Inventor · disambiguated record
Toshihiro Hayata
Also filed as: HAYATA TOSHIHIRO
11 granted patents·2 pending applications·186 citations·filing 1993–2003
91Inventor score
Top patents by PatentIndex Score
13 records- 0180US6356542B1Reception path search method and searcher circuit of CDMA reception deviceNEC CORP·Filed 2000·Granted Mar 12, 2002·24 cites·11 claims
- 0275US6658076B1Receiver and method for receiving spread spectrum signal by estimating transmitted symbol rateNEC CORP·Filed 2000·Granted Dec 2, 2003·18 cites·19 claims
- 0374US7079569B1Search method in CDMA mobile communication receiving system and receiving deviceNEC CORP·Filed 2000·Granted Jul 18, 2006·16 cites·8 claims
- 0453US5819218AVoice encoder with a function of updating a background noiseNIPPON ELECTRIC CO·Filed 1997·Granted Oct 6, 1998·32 cites·16 claims
- 0547US5809460ASpeech decoder having an interpolation circuit for updating background noiseNEC CORP·Filed 1994·Granted Sep 15, 1998·22 cites·7 claims
- 0646US5553192AApparatus for noise removal during the silence periods in the discontinuous transmission of speech signals to a mobile unitNEC CORP·Filed 1993·Granted Sep 3, 1996·21 cites·3 claims
- 0744US5787388AFrame-count-dependent smoothing filter for reducing abrupt decoder background noise variation during speech pauses in VOXNEC CORP·Filed 1996·Granted Jul 28, 1998·22 cites·8 claims
- 0843US5953698ASpeech signal transmission with enhanced background noise sound qualityNEC CORP·Filed 1997·Granted Sep 14, 1999·20 cites·6 claims
- 0943US2005260991A1Mobile communication system, inter-frequency ho method, mobile station, base station, base station control device, and programHAYATA TOSHIHIRO·Filed 2003·Application pending·0 cites
- 1042US2004258020A1Inter-frequency hho method in a mobile communication systemFiled 2002·Application pending·0 cites
- 1140US7248619B2Rake receiver and receiving methodNEC CORP·Filed 2001·Granted Jul 24, 2007·0 cites·8 claims
- 1239US7054347B2Communication apparatusNEC CORP·Filed 2001·Granted May 30, 2006·0 cites·14 claims
- 1336US6006176ASpeech coding apparatusNEC CORP·Filed 1998·Granted Dec 21, 1999·11 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →