Inventor · disambiguated record
Koichi Ishihara
Also filed as: ISHIHARA KOICHI
79 granted patents·9 pending applications·355 citations·filing 1991–2023
98Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE69ISHIHARA KOICHI5NAKAGAWA TADAO3KUDO RIICHI2SANYO MACHINE WORKS2
Top patents by PatentIndex Score
88 records- 0198US6528176B1Structure of hemmed together metal plate materialsSANYO MACHINE WORKS·Filed 1999·Granted Mar 4, 2003·87 cites·10 claims
- 0296US11509362B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2021·Granted Nov 22, 2022·3 cites·4 claims
- 0396US8929750B2Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization systemISHIHARA KOICHI·Filed 2010·Granted Jan 6, 2015·53 cites·7 claims
- 0495US11804997B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2022·Granted Oct 31, 2023·2 cites·3 claims
- 0595US10158402B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2017·Granted Dec 18, 2018·9 cites·6 claims
- 0694US9882614B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Jan 30, 2018·12 cites·17 claims
- 0794US9621299B2Coherent communication system, communication method, and transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Apr 11, 2017·15 cites·22 claims
- 0891US10778296B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Sep 15, 2020·4 cites·2 claims
- 0991US10491274B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2018·Granted Nov 26, 2019·5 cites·5 claims
- 1091US8355637B2Optical OFDM receiver, optical transmission system, subcarrier separation circuit, and subcarrier separation methodNIPPON TELEGRAPH & TELEPHONE·Filed 2009·Granted Jan 15, 2013·23 cites·22 claims
- 1186US12250104B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2023·Granted Mar 11, 2025·0 cites·2 claims
- 1286US10674483B2Wireless communication system, wireless communication method, wireless LAN access point, and wireless LAN stationNIPPON TELEGRAPH & TELEPHONE·Filed 2016·Granted Jun 2, 2020·5 cites·13 claims
- 1383US5536916AMethod for performing automatic alignment-adjustment of laser robot and the deviceSANYO MACHINE WORKS·Filed 1994·Granted Jul 16, 1996·61 cites·7 claims
- 1481US9614621B2Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization systemNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Apr 4, 2017·4 cites·5 claims
- 1578US9520947B2Signal generating circuit, optical signal transmitting apparatus, signal receiving circuit, method for establishing optical signal synchronization, and optical signal synchronization systemNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Dec 13, 2016·3 cites·7 claims
- 1677US8787769B2Chromatic dispersion value calculating apparatus, optical signal receiving apparatus, optical signal transmitting apparatus, and chromatic dispersion value calculation methodISHIHARA KOICHI·Filed 2010·Granted Jul 22, 2014·5 cites·22 claims
- 1776US12185221B2Wireless communication system, base station control device, communication control method, and communication control programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Dec 31, 2024·1 cites·6 claims
- 1873US10038507B2Optical transmission system, phase compensation method, and optical reception apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Jul 31, 2018·3 cites·16 claims
- 1971US11025313B2Wireless signal transmitting method and wireless apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jun 1, 2021·0 cites·2 claims
- 2071US10171173B2Optical signal transmission apparatus and optical signal transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2015·Granted Jan 1, 2019·2 cites·18 claims
- 2171US8179995B2Reception device, transmission device, radio transmission/reception system, and radio reception methodISHIHARA KOICHI·Filed 2008·Granted May 15, 2012·5 cites·18 claims
- 2269US9363003B2Transmitter and wireless communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Jun 7, 2016·2 cites·11 claims
- 2368US10602367B2Wireless communication apparatus, wireless communication system, and wireless communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Mar 24, 2020·2 cites·50 claims
- 2466US11804881B2Radio base station and reception method at radio base stationNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Oct 31, 2023·1 cites·3 claims
- 2565US8855485B2Frequency offset estimating method and frequency offset estimating apparatusNAKAGAWA TADAO·Filed 2011·Granted Oct 7, 2014·2 cites·10 claims
- 2662US8934782B2Transmission method, reception method, transmitter apparatus, and receiver deviceNAKAGAWA TADAO·Filed 2011·Granted Jan 13, 2015·2 cites·22 claims
- 2762US5444886AApparatus for cleaning a pipingFUJI OIL CO LTD·Filed 1993·Granted Aug 29, 1995·30 cites·7 claims
- 2861US9698932B2Optical transmission/reception system, transmitter, receiver, and optical transmission/reception methodNIPPON TELEGRAPH & TELEPHONE·Filed 2014·Granted Jul 4, 2017·1 cites·10 claims
- 2961US9313007B2Wireless apparatus and training signal transmission methodNIPPON TELEGRAPH & TELEPHONE·Filed 2013·Granted Apr 12, 2016·1 cites·9 claims
- 3061US9160600B2Method for receiving frequency domain multiplexed signal and device for receiving frequency domain multiplexed signalKUDO RIICHI·Filed 2010·Granted Oct 13, 2015·2 cites·16 claims
- 3158US9276652B2Wireless communication system and wireless communication methodKUDO RIICHI·Filed 2011·Granted Mar 1, 2016·1 cites·16 claims
- 3257US10283158B2Disc archive apparatusSONY CORP·Filed 2016·Granted May 7, 2019·1 cites·13 claims
- 3356US8488696B2Receiver device, communication system and receiving methodISHIHARA KOICHI·Filed 2009·Granted Jul 16, 2013·1 cites·24 claims
- 3455US11917455B2Transmission parameter control method, control station and radio base stationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Feb 27, 2024·0 cites·8 claims
- 3554US11765674B2Wireless communication method and base stationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 19, 2023·0 cites·6 claims
- 3653US11917454B2Wireless communication method and base stationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Feb 27, 2024·0 cites·4 claims
- 3752US11903025B2Wireless communication method and base stationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Feb 13, 2024·0 cites·2 claims
- 3852US11825312B2Wireless base station installation position calculation method and installation position calculation deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 21, 2023·0 cites·7 claims
- 3952US11817982B2Wireless connection units selection for terminal stationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 14, 2023·0 cites·6 claims
- 4052US11818670B2Wireless communication system, wireless communication method, and wireless station deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Nov 14, 2023·0 cites·12 claims
- 4152US11528628B2Radio base station using distributed antenna and scheduling methodNIPPON TELEGRAPH & TELEPHONE·Filed 2019·Granted Dec 13, 2022·0 cites·4 claims
- 4251US12082120B2Communication control method, control station, and communication control programNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Sep 3, 2024·0 cites·5 claims
- 4351US12074655B2Wireless communication characteristic evaluation method and wireless communication characteristic evaluation deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Aug 27, 2024·0 cites·10 claims
- 4451US11824596B2Base station operation test method, wireless communication system, and base stationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Nov 21, 2023·0 cites·8 claims
- 4550US12309832B2Wireless communication device and wireless communication control methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted May 20, 2025·0 cites·8 claims
- 4650US12047796B2Wireless communication performance measurement method for wireless communication system, wireless communication performance measurement system and wireless base stationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 23, 2024·0 cites·15 claims
- 4749US12074654B2Base station operation test method, wireless communication system, and base stationNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Aug 27, 2024·0 cites·8 claims
- 4849US12035336B2Wireless communication system, and wireless communication methodNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Jul 9, 2024·0 cites·3 claims
- 4949US11991546B2Wireless communication system, control station device and wireless base station deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted May 21, 2024·0 cites·8 claims
- 5049US11950115B2Wireless communication performance measurement method and wireless communication performance measurement systemNIPPON TELEGRAPH & TELEPHONE·Filed 2020·Granted Apr 2, 2024·0 cites·6 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →