Inventor · disambiguated record
Hiroji Akahori
Also filed as: AKAHORI HIROJI
62 granted patents·11 pending applications·116 citations·filing 2000–2024
98Inventor score
Files withLAPIS SEMICONDUCTOR CO LTD25OKI SEMICONDUCTOR CO LTD21OKI ELECTRIC IND CO LTD16AKAHORI HIROJI6LAPIS TECH CO LTD2
Top patents by PatentIndex Score
73 records- 0193US7362695B2OFDM transmission systemOKI ELECTRIC IND CO LTD·Filed 2005·Granted Apr 22, 2008·26 cites·5 claims
- 0282US2024297445A1Semiconductor device, communication system, and method of manufacturing semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2024·Application pending·0 cites
- 0381US7856066B2OFDM receiver and doppler frequency estimating circuitOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Dec 21, 2010·8 cites·8 claims
- 0478US12015204B2Semiconductor device, communication system, and method of manufacturing semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2022·Granted Jun 18, 2024·0 cites·2 claims
- 0577US8041322B2RF receiver deviceOKI SEMICONDUCTOR CO LTD·Filed 2009·Granted Oct 18, 2011·6 cites·7 claims
- 0677US7482958B2OFDM receiverOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Jan 27, 2009·10 cites·1 claims
- 0775US8005157B2Correlation calculation unit and correlation calculation apparatusOKI SEMICONDUCTOR CO LTD·Filed 2008·Granted Aug 23, 2011·6 cites·11 claims
- 0872US11093030B2Operation determination device and operation determination methodLAPIS SEMICONDUCTOR CO LTD·Filed 2019·Granted Aug 17, 2021·2 cites·17 claims
- 0972US7860187B2FSK signal modulator for producing a binary FSK signalOKI SEMICONDUCTOR CO LTD·Filed 2006·Granted Dec 28, 2010·4 cites·6 claims
- 1071US11381005B2Semiconductor device, communication system, and method of manufacturing semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2020·Granted Jul 5, 2022·0 cites·1 claims
- 1169US7983360B2OFDM receiver and doppler frequency estimating circuitOKI SEMICONDUCTOR CO LTD·Filed 2010·Granted Jul 19, 2011·2 cites·6 claims
- 1269US7715500B2FSK signal detector for detecting FSK signal through digital processingOKI SEMICONDUCTOR CO LTD·Filed 2006·Granted May 11, 2010·4 cites·9 claims
- 1368US8345799B2Channel estimating method and channel estimatorOKI SEMICONDUCTOR CO LTD·Filed 2009·Granted Jan 1, 2013·3 cites·13 claims
- 1468US7221215B2Demodulator for demodulating pulse position modulated signalOKI ELECTRIC IND CO LTD·Filed 2005·Granted May 22, 2007·3 cites·6 claims
- 1567US7864664B2Delay profile generatorOKI SEMICONDUCTOR CO LTD·Filed 2008·Granted Jan 4, 2011·3 cites·10 claims
- 1663US9584142B2Fractional N frequency synthesizer and setting method thereofICOM INC·Filed 2015·Granted Feb 28, 2017·2 cites·4 claims
- 1763US7738614B2Decision timing synchronous circuit and receiver circuitOKI SEMICONDUCTOR CO LTD·Filed 2006·Granted Jun 15, 2010·2 cites·13 claims
- 1861US6972632B2Apparatus for controlling the frequency of received signals to a predetermined frequencyOKI ELECTRIC IND CO LTD·Filed 2003·Granted Dec 6, 2005·6 cites·9 claims
- 1961US2023168637A1Electronic control apparatusLAPIS TECH CO LTD·Filed 2022·Application pending·0 cites
- 2060US10374469B2Wireless power receiver, wireless power supply system, and wireless power reception methodLAPIS SEMICONDUCTOR CO LTD·Filed 2017·Granted Aug 6, 2019·1 cites·6 claims
- 2160US7583741B2Likelihood corrector and likelihood correction methodOKI SEMICONDUCTOR CO LTD·Filed 2006·Granted Sep 1, 2009·1 cites·16 claims
- 2259US9172575B2Correlator and demodulation device including correlatorAKAHORI HIROJI·Filed 2011·Granted Oct 27, 2015·1 cites·9 claims
- 2358US11745651B2Sound output device, communication controller, and sound generator that provides approaching notification sound while reducing MCU loadLAPIS SEMICONDUCTOR CO LTD·Filed 2020·Granted Sep 5, 2023·0 cites·7 claims
- 2458US11675652B2Semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2021·Granted Jun 13, 2023·0 cites·19 claims
- 2558US11437853B2Power transmission apparatus and power transmission systemLAPIS SEMICONDUCTOR CO LTD·Filed 2019·Granted Sep 6, 2022·0 cites·3 claims
- 2658US11035811B2Object determination device, program, object determination method, and semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2019·Granted Jun 15, 2021·0 cites·8 claims
- 2758US10784587B2Semiconductor device, communication system, and method of manufacturing semiconductor deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2017·Granted Sep 22, 2020·0 cites·4 claims
- 2858US7711010B2Phase-locked loop for maintaining system synchronization through packet dropoutOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted May 4, 2010·1 cites·1 claims
- 2958US7414463B2Demodulator for demodulating pulse position modulated signalOKI ELECTRIC IND CO LTD·Filed 2007·Granted Aug 19, 2008·1 cites·4 claims
- 3057US6243429B1Data demodulator for correcting bit errorsOKI ELECTRIC IND CO LTD·Filed 2000·Granted Jun 5, 2001·4 cites·6 claims
- 3156US10224756B2Power transmission apparatus and power transmission systemLAPIS SEMICONDUCTOR CO LTD·Filed 2016·Granted Mar 5, 2019·0 cites·5 claims
- 3256US7099639B2Automatic frequency control apparatus for determining loop gain constant based on absolute phase errorOKI ELECTRIC IND CO LTD·Filed 2003·Granted Aug 29, 2006·8 cites·11 claims
- 3355US11289744B2Battery unit, battery monitoring system, and battery replacement methodLAPIS SEMICONDUCTOR CO LTD·Filed 2018·Granted Mar 29, 2022·0 cites·10 claims
- 3455US11134238B2Goggle type display device, eye gaze detection method, and eye gaze detection systemLAPIS SEMICONDUCTOR CO LTD·Filed 2018·Granted Sep 28, 2021·0 cites·22 claims
- 3555US7046743B2Demodulator for demodulating digital modulated signalsOKI ELECTRIC IND CO LTD·Filed 2001·Granted May 16, 2006·3 cites·16 claims
- 3654US8804882B2Receiving apparatus, and computer readable memory medium that stores a programNAGAI HIROMUNE·Filed 2011·Granted Aug 12, 2014·2 cites·10 claims
- 3754US7224755B2Method and apparatus for generating a frequency control signalOKI ELECTRIC IND CO LTD·Filed 2003·Granted May 29, 2007·2 cites·20 claims
- 3853US10812920B2Failure determination device and sound output deviceLAPIS SEMICONDUCTOR CO LTD·Filed 2019·Granted Oct 20, 2020·0 cites·10 claims
- 3953US6959051B2Clock regenerator for use in demodulating digital modulated signalsOKI ELECTRIC IND CO LTD·Filed 2001·Granted Oct 25, 2005·2 cites·14 claims
- 4053US2023222071A1Control device and electronic control deviceLAPIS TECH CO LTD·Filed 2023·Application pending·0 cites
- 4152US10981501B2Sound output device and sound output systemLAPIS SEMICONDUCTOR CO LTD·Filed 2019·Granted Apr 20, 2021·0 cites·6 claims
- 4252US7486935B2Method and system for controlling transmission powerOKI SEMICONDUCTOR CO LTD·Filed 2004·Granted Feb 3, 2009·2 cites·1 claims
- 4350US7978775B2Frequency offset detectorOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Jul 12, 2011·0 cites·24 claims
- 4450US7436916B2Pulse modulator and PPM demodulation determining circuit employed in ultra wideband wireless communicationsOKI ELECTRIC IND CO LTD·Filed 2004·Granted Oct 14, 2008·1 cites·2 claims
- 4550US2021270636A1Semiconductor device and measurement processing systemLAPIS SEMICONDUCTOR CO LTD·Filed 2021·Application pending·0 cites
- 4649US9313071B2OFDM modulation signal demodulator, receiving apparatus, and receiving and displaying apparatusLAPIS SEMICONDUCTOR CO LTD·Filed 2013·Granted Apr 12, 2016·0 cites·19 claims
- 4749US8391348B2Apparatus and method for detecting interference waveAKAHORI HIROJI·Filed 2009·Granted Mar 5, 2013·0 cites·14 claims
- 4849US8055232B2Radio frequency receiving apparatus, radio frequency receiving method, LSI for radio frequency signal and LSI for base band signalOKI SEMICONDUCTOR CO LTD·Filed 2008·Granted Nov 8, 2011·0 cites·7 claims
- 4949US8045630B2Scattered pilot location detectorOKI SEMICONDUCTOR CO LTD·Filed 2007·Granted Oct 25, 2011·0 cites·9 claims
- 5049US8019009B2Equalizer circuitOKI SEMICONDUCTOR CO LTD·Filed 2008·Granted Sep 13, 2011·0 cites·12 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →