Inventor · disambiguated record
Hiroyuki Igura
Also filed as: IGURA HIROYUKI
24 granted patents·3 pending applications·96 citations·filing 1995–2024
93Inventor score
Top patents by PatentIndex Score
27 records- 0180US10359503B2Position estimation apparatus, position estimation system, position estimation method and recording medium for position estimationNEC CORP·Filed 2016·Granted Jul 23, 2019·3 cites·9 claims
- 0275US8989242B2Encoding/decoding processor and wireless communication apparatusTAKEUCHI TOSHIKI·Filed 2012·Granted Mar 24, 2015·4 cites·9 claims
- 0372US7165133B2Multiprocessor system having shared buses, prioritized arbitration, and clock synchronization circuitryNEC CORP·Filed 2004·Granted Jan 16, 2007·20 cites·18 claims
- 0469US6066988APhase locked loop circuit with high stability having a reset signal generating circuitNEC CORP·Filed 1998·Granted May 23, 2000·31 cites·20 claims
- 0568US8583845B2Multi-processor system and controlling method thereofTAKEUCHI TOSHIKI·Filed 2009·Granted Nov 12, 2013·4 cites·13 claims
- 0667US9405549B2Deadlock avoidance method and deadlock avoidance mechanismIGURA HIROYUKI·Filed 2011·Granted Aug 2, 2016·2 cites·9 claims
- 0763US8775750B2Interleaver with parallel address queue arbitration dependent on which queues are emptyCHONG SHENG WEI·Filed 2009·Granted Jul 8, 2014·7 cites·19 claims
- 0863US8341394B2Data encryption/decryption method and data processing deviceTAKEUCHI TOSHIKI·Filed 2008·Granted Dec 25, 2012·2 cites·8 claims
- 0961US10693227B2Patch array antenna, directivity control method therefor and wireless device using patch array antennaNEC CORP·Filed 2016·Granted Jun 23, 2020·1 cites·10 claims
- 1058US2024333468A1Signal processing apparatus, signal processing method, and non-transitory storage medium storing signal processing programNEC CORP·Filed 2024·Application pending·0 cites
- 1149US6757813B1ProcessorNEC CORP·Filed 2000·Granted Jun 29, 2004·1 cites·6 claims
- 1248US11336387B2Wireless communication apparatus, data reception method, and programNEC CORP·Filed 2019·Granted May 17, 2022·0 cites·19 claims
- 1345US9692466B2Radio reception circuit, radio reception method, and radio reception programNEC CORP·Filed 2014·Granted Jun 27, 2017·0 cites·9 claims
- 1444US9383994B2Co-processor for complex arithmetic processing, and processor systemTAKEUCHI TOSHIKI·Filed 2011·Granted Jul 5, 2016·0 cites·10 claims
- 1544US6205192B1Clock input control circuitNEC CORP·Filed 1998·Granted Mar 20, 2001·10 cites·13 claims
- 1643US9164951B2Multiprocessor system, execution control method and execution control programTAKEUCHI TOSHIKI·Filed 2011·Granted Oct 20, 2015·0 cites·11 claims
- 1742US9703559B2Digital signal processor, program control method, and control programIGURA HIROYUKI·Filed 2012·Granted Jul 11, 2017·0 cites·6 claims
- 1842US8819096B2FFT computing apparatus and power computing methodIGURA HIROYUKI·Filed 2010·Granted Aug 26, 2014·0 cites·10 claims
- 1942US7051183B2Circuit for recording digital waveform data and method of doing the sameNEC CORP·Filed 2002·Granted May 23, 2006·3 cites·12 claims
- 2042US2003161278A1Symbol data converting circuitNEC CORP·Filed 2003·Application pending·0 cites
- 2139US9787297B2Signal generator, signal generation method, and numerically controlled oscillatorNEC CORP·Filed 2013·Granted Oct 10, 2017·0 cites·5 claims
- 2239US9673780B2Multi-stage filter processing device and methodNEC CORP·Filed 2012·Granted Jun 6, 2017·0 cites·6 claims
- 2339US9043806B2Information processing device and task switching methodIGURA HIROYUKI·Filed 2011·Granted May 26, 2015·0 cites·9 claims
- 2437US8553811B2Likelihood value calculation device, likelihood value calculation method, and radio systemIGURA HIROYUKI·Filed 2010·Granted Oct 8, 2013·0 cites·9 claims
- 2536US8817901B2Channel estimate interpolation circuit and methodIGURA HIROYUKI·Filed 2010·Granted Aug 26, 2014·0 cites·6 claims
- 2635US5687107AExclusive-OR gate, an inverted type selector, and addersNEC CORP·Filed 1995·Granted Nov 11, 1997·8 cites·4 claims
- 2735US2017115375A1Wireless device, distance estimation system, position estimation system, distance estimation method, position estimation method, distance-estimation-program recording medium, and position-estimation-program recording mediumNEC CORP·Filed 2015·Application pending·0 cites
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