Inventor · disambiguated record
Tsuguo Maru
Also filed as: MARU TSUGUO
31 granted patents·4 pending applications·556 citations·filing 1985–2020
97Inventor score
Top patents by PatentIndex Score
35 records- 0196US8140930B1Encoder and decoder by LDPC codingMARU TSUGUO·Filed 2006·Granted Mar 20, 2012·66 cites·21 claims
- 0295US9608705B2MIMO communication system for propagation environment including deterministic communication channel, and antennas for MIMO communication systemNEC CORP·Filed 2014·Granted Mar 28, 2017·23 cites·20 claims
- 0394US4977611APortable radio apparatus having battery saved channel scanning functionNEC CORP·Filed 1988·Granted Dec 11, 1990·132 cites·16 claims
- 0488US7734990B2Spatial-multiplexed signal detection method and spatial and temporal iterative decoder that uses this methodNEC CORP·Filed 2005·Granted Jun 8, 2010·13 cites·18 claims
- 0582US6516444B1Turbo-code decoderNEC CORP·Filed 2000·Granted Feb 4, 2003·29 cites·10 claims
- 0680US5568089AFully differential amplifier including common mode feedback circuitNEC CORP·Filed 1994·Granted Oct 22, 1996·32 cites·8 claims
- 0774US8571125B2MIMO communication system having deterministic channels and antenna arrangement method therforMARU TSUGUO·Filed 2008·Granted Oct 29, 2013·4 cites·5 claims
- 0873US6553084B1Digital automatic gain control linearizer and digital automatic gain control circuit using the sameNEC CORP·Filed 1999·Granted Apr 22, 2003·31 cites·33 claims
- 0972US9379796B2MIMO communication system having deterministic communication path and antenna arrangement method therforMARU TSUGUO·Filed 2013·Granted Jun 28, 2016·2 cites·15 claims
- 1068US7760690B2High-speed cell search system for CDMANEC CORP·Filed 2006·Granted Jul 20, 2010·2 cites·16 claims
- 1167US11115102B2Wireless signal transmitting antenna, wireless signal receiving antenna, wireless signal transmitting system, wireless signal transmitting method, and wireless signal receiving methodNEC CORP·Filed 2020·Granted Sep 7, 2021·0 cites·10 claims
- 1266US5355101AQuadrature modulator having circuit for correcting phase errorNEC CORP·Filed 1992·Granted Oct 11, 1994·30 cites·4 claims
- 1365US7210076B2Interleaving order generator, interleaver, turbo encoder, and turbo decoderNEC CORP·Filed 2002·Granted Apr 24, 2007·13 cites·37 claims
- 1464US6385180B1High-speed cell search system for CDMANEC CORP·Filed 1998·Granted May 7, 2002·23 cites·25 claims
- 1562US6405341B1Multi-dimensional pseudo noise generating circuit for soft-decision decodingNEC CORP·Filed 1999·Granted Jun 11, 2002·21 cites·9 claims
- 1661US7075970B2Method of decoding turbo-encoded data and receiver for decoding turbo-encoded dataNEC CORP·Filed 2001·Granted Jul 11, 2006·7 cites·32 claims
- 1761US5150412ASecurity module for radio telephoneNEC CORP·Filed 1991·Granted Sep 22, 1992·54 cites·12 claims
- 1860US10673511B2Wireless signal transmitting antenna, wireless signal receiving antenna, wireless signal transmitting system, wireless signal transmitting method, and wireless signal receiving methodNEC CORP·Filed 2018·Granted Jun 2, 2020·0 cites·8 claims
- 1957US7830988B2MIMO decoder and MIMO decoding methodNEC CORP·Filed 2006·Granted Nov 9, 2010·1 cites·22 claims
- 2056US10177829B2Wireless signal transmitting antenna, wireless signal receiving antenna, wireless signal transmitting system, wireless signal transmitting method, and wireless signal receiving methodNEC CORP·Filed 2014·Granted Jan 8, 2019·0 cites·6 claims
- 2155US4661965ATiming recovery circuit for manchester coded dataNEC CORP·Filed 1985·Granted Apr 28, 1987·19 cites·4 claims
- 2253US6337890B1Low-power-consumption Viterbi decoderNEC CORP·Filed 1998·Granted Jan 8, 2002·15 cites·10 claims
- 2352US7289475B2High-speed cell search system for CDMANEC CORP·Filed 2001·Granted Oct 30, 2007·1 cites·13 claims
- 2451US7724709B2High-speed cell search system for CDMANEC CORP·Filed 2006·Granted May 25, 2010·0 cites·14 claims
- 2551US6088382ACell search circuit for CDMANEC CORP·Filed 1997·Granted Jul 11, 2000·18 cites·5 claims
- 2649US2016277084A1Mimo communication system having deterministic communication path and antenna arrangement method therforMARU TSUGUO·Filed 2016·Application pending·0 cites
- 2745US2009296846A1Mimo communication system having deterministic channels and methodMARU TSUGUO·Filed 2007·Application pending·0 cites
- 2843US9071312B2Wireless communication apparatus and wireless communication methodMARU TSUGUO·Filed 2011·Granted Jun 30, 2015·0 cites·18 claims
- 2941US2019379566A1Base station, mobile station, method of controlling base station, and recording mediumNEC CORP·Filed 2018·Application pending·0 cites
- 3038US2012320858A1Base station and its adaptive modulation control methodMARU TSUGUO·Filed 2011·Application pending·0 cites
- 3135US7133472B2High-speed turbo decoderNEC CORP·Filed 2001·Granted Nov 7, 2006·0 cites·33 claims
- 3235US5349698ARadio communication system for a selected one of a plurality of terminal units of different kindsNEC CORP·Filed 1992·Granted Sep 20, 1994·11 cites·22 claims
- 3333US4908846AMobile telephone terminal having function to perform call clear processNEC CORP·Filed 1989·Granted Mar 13, 1990·3 cites·24 claims
- 3430US5430415AModulator capable of decreasing consumption of electric powerNEC CORP·Filed 1994·Granted Jul 4, 1995·2 cites·11 claims
- 3525US5432483ADigital quadrature modulator and method for testing the sameNEC CORP·Filed 1993·Granted Jul 11, 1995·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →