Inventor · disambiguated record
Katsuhiko Tsunehara
Also filed as: TSUNEHARA KATSUHIKO
38 granted patents·8 pending applications·753 citations·filing 1997–2020
98Inventor score
Files withHITACHI LTD32TSUNEHARA KATSUHIKO3HITACHI COMM TECH LTD2YAMAMOTO TOMONORI2FUJISHIMA KENZABURO1
Top patents by PatentIndex Score
46 records- 0195US6484034B1Radio handset and position location systemHITACHI LTD·Filed 2001·Granted Nov 19, 2002·106 cites·12 claims
- 0293US6483816B2CDMA communication system and its transmission power control methodHITACHI LTD·Filed 2001·Granted Nov 19, 2002·61 cites·6 claims
- 0391US6459402B1Method for measuring distance and position using spectrum signal, and an equipment using the methodHITACHI LTD·Filed 2000·Granted Oct 1, 2002·66 cites·21 claims
- 0490US6900753B2Method for measuring distance and position using spread spectrum signal, and an equipment using the methodHITACHI LTD·Filed 2003·Granted May 31, 2005·57 cites·17 claims
- 0590US6694142B1Wireless terminal positioning method and apparatusHITACHI LTD·Filed 2000·Granted Feb 17, 2004·70 cites·2 claims
- 0688US6307844B1CDMA communication system and its transmission power control methodHITACHI LTD·Filed 1997·Granted Oct 23, 2001·90 cites·25 claims
- 0787US7346330B2Software-defined radio apparatusHITACHI LTD·Filed 2005·Granted Mar 18, 2008·15 cites·16 claims
- 0884US6928292B2Mobile handset with position calculation functionHITACHI LTD·Filed 2002·Granted Aug 9, 2005·57 cites·2 claims
- 0981US8891390B2Wireless base station for controlling antenna transmission powerKANZAKI HAJIME·Filed 2011·Granted Nov 18, 2014·7 cites·7 claims
- 1081US7167712B2Method, system, and apparatus for detecting a position of a terminal in a networkHITACHI LTD·Filed 2003·Granted Jan 23, 2007·39 cites·22 claims
- 1177US7403580B2Software defined radio systemHITACHI LTD·Filed 2005·Granted Jul 22, 2008·8 cites·21 claims
- 1274US8111683B2Base station and mobile station for OFDMA cellular systemYAMAMOTO TOMONORI·Filed 2009·Granted Feb 7, 2012·5 cites·16 claims
- 1373US6990351B2Equipment for the calculation of mobile handset positionHITACHI LTD·Filed 2002·Granted Jan 24, 2006·31 cites·10 claims
- 1471US6657579B2Method for measuring distance and position using spread spectrum signal, and an equipment using the methodHITACHI LTD·Filed 2002·Granted Dec 2, 2003·17 cites·5 claims
- 1567US7609197B2Method for measuring distance and position using spread spectrum signal, and an equipment using the methodHITACHI LTD·Filed 2005·Granted Oct 27, 2009·4 cites·16 claims
- 1666US7353032B2Method, system, and apparatus for detecting a position of a terminal in a networkHITACHI LTD·Filed 2006·Granted Apr 1, 2008·5 cites·7 claims
- 1764US7236879B2Method for calculating the position of a mobile terminal, positioning system, and position calculation apparatusHITACHI LTD·Filed 2004·Granted Jun 26, 2007·18 cites·17 claims
- 1864US7016653B2Radio terminalHITACHI LTD·Filed 2002·Granted Mar 21, 2006·9 cites·24 claims
- 1963US7116992B1Mobile station using positional informationHITACHI LTD·Filed 2000·Granted Oct 3, 2006·24 cites·13 claims
- 2063US6640107B1Wireless location handset apparatusHITACHI LTD·Filed 2000·Granted Oct 28, 2003·8 cites·5 claims
- 2161US8315153B2Wireless communications equipments with function of detecting random access signal, wireless communications systems with function of detecting random access signal and method of random access signal detectionJIA YUNJIAN·Filed 2009·Granted Nov 20, 2012·2 cites·10 claims
- 2260US7756489B2Software defined radio and library configuration thereforHITACHI LTD·Filed 2006·Granted Jul 13, 2010·2 cites·6 claims
- 2360US6950661B2Location detection method, location detection apparatus and location detection programHITACHI LTD·Filed 2002·Granted Sep 27, 2005·16 cites·16 claims
- 2459US8447311B2Radio communications systemFUJISHIMA KENZABURO·Filed 2010·Granted May 21, 2013·1 cites·19 claims
- 2558US7072673B2Radio handset and position location systemHITACHI LTD·Filed 2002·Granted Jul 4, 2006·4 cites·15 claims
- 2655US8165620B2Radio communication apparatus with a bus dedicated to data transmissionTSUNEHARA KATSUHIKO·Filed 2005·Granted Apr 24, 2012·1 cites·13 claims
- 2755US7272418B2Base station and wireless communication systemHITACHI LTD·Filed 2004·Granted Sep 18, 2007·3 cites·12 claims
- 2854US7663532B2Method for measuring distance and position using spread spectrum signal, and an equipment using the methodHITACHI LTD·Filed 2007·Granted Feb 16, 2010·1 cites·11 claims
- 2954US2008045261A1CDMA communication system and its transmission power control methodHITACHI COMM TECH LTD·Filed 2007·Application pending·0 cites
- 3054US2008170555A1Wireless communication system and its transmission power control methodHITACHI COMM TECH LTD·Filed 2008·Application pending·0 cites
- 3153US7266098B2Wireless position measurement method and wireless position measurement systemHITACHI LTD·Filed 2004·Granted Sep 4, 2007·3 cites·12 claims
- 3253US7006463B2CDMA communication system and its transmission power control methodHITACHI LTD·Filed 2002·Granted Feb 28, 2006·1 cites·18 claims
- 3351US2006092886A1CDMA communication system and its transmission power control methodHITACHI LTD·Filed 2005·Application pending·0 cites
- 3450US11823111B2Work instruction system and work instruction methodHITACHI LTD·Filed 2020·Granted Nov 21, 2023·0 cites·8 claims
- 3548US7969347B2Method for measuring distance and position using spread spectrum signal, and an equipment using the methodHITACHI LTD·Filed 2010·Granted Jun 28, 2011·0 cites·8 claims
- 3648US2004266473A1Method for controlling transmit power in a communication systemFiled 2004·Application pending·0 cites
- 3747US8451774B2Communication system and gateway apparatusTSUNEHARA KATSUHIKO·Filed 2009·Granted May 28, 2013·0 cites·14 claims
- 3847US2012120876A1Base station and mobile station for ofdma cellular systemYAMAMOTO TOMONORI·Filed 2012·Application pending·0 cites
- 3945US2007275725A1Handover method and mobile terminal for wireless communication serviceHITACHI LTD·Filed 2007·Application pending·0 cites
- 4044US8787146B2Timing adjustment method, receiving station, and transmitting station in wireless communication system, and wireless communication systemTAMAKI SATOSHI·Filed 2009·Granted Jul 22, 2014·0 cites·8 claims
- 4142US7006475B1Mobile communication method using CDMA multiplexing technique and mobile communication systemKDDI CORP·Filed 1999·Granted Feb 28, 2006·11 cites·9 claims
- 4242US2016057674A1Wireless communication system, wireless communication method, and wireless base stationHITACHI LTD·Filed 2013·Application pending·0 cites
- 4340US6907260B1Method for controlling transmit power for communication systemHITACHI LTD·Filed 1999·Granted Jun 14, 2005·11 cites·13 claims
- 4439US2005272464A1Wireless communication device having wireless module compatible with wireless communication systemISHIKAWA TAKASHI·Filed 2005·Application pending·0 cites
- 4537US7280521B2Access point apparatus for a system for determining the location of a terminal and a terminal location determining methodHITACHI LTD·Filed 2004·Granted Oct 9, 2007·0 cites·16 claims
- 4634US8413030B2Wireless communication system, receiver and signal processing method for received signalTSUNEHARA KATSUHIKO·Filed 2009·Granted Apr 2, 2013·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →