Inventor · disambiguated record
Masaaki Shida
Also filed as: SHIDA MASAAKI
27 granted patents·5 pending applications·576 citations·filing 1980–2011
97Inventor score
Top patents by PatentIndex Score
32 records- 0188US7493092B2Wireless transceiver having plural transmission methodsHITACHI LTD·Filed 2005·Granted Feb 17, 2009·15 cites·10 claims
- 0287US6031863AWireless LAN systemHITACHI LTD·Filed 1996·Granted Feb 29, 2000·143 cites·26 claims
- 0386US6014406AFrequency-hopped wireless communication system and mobile wireless terminalHITACHI LTD·Filed 1996·Granted Jan 11, 2000·97 cites·27 claims
- 0483US6508400B1Automatic identification equipment and IC cardsHITACHI LTD·Filed 2000·Granted Jan 21, 2003·61 cites·3 claims
- 0582US7817741B2MIMO wireless data communication system, MIMO wireless data communication method and MIMO wireless data communication apparatusHITACHI LTD·Filed 2007·Granted Oct 19, 2010·8 cites·20 claims
- 0681US7167712B2Method, system, and apparatus for detecting a position of a terminal in a networkHITACHI LTD·Filed 2003·Granted Jan 23, 2007·39 cites·22 claims
- 0781US6570490B1Contactless IC cardHITACHI LTD·Filed 1998·Granted May 27, 2003·61 cites·3 claims
- 0880US8310995B2Systems and methods for wireless communication using SDMAMURAI SHINJI·Filed 2007·Granted Nov 13, 2012·9 cites·16 claims
- 0978US7139583B2Positioning system and method based on time difference of arrivalHITACHI LTD·Filed 2004·Granted Nov 21, 2006·24 cites·6 claims
- 1077US7773686B2MIMO wireless data transmission systemHITACHI LTD·Filed 2007·Granted Aug 10, 2010·5 cites·15 claims
- 1176US7386067B2Frequency offset cancellation circuit for data determination in wireless communicationsRENESAS TECH CORP·Filed 2006·Granted Jun 10, 2008·6 cites·6 claims
- 1274US6963269B2Contactless IC cardHITACHI LTD·Filed 2003·Granted Nov 8, 2005·17 cites·20 claims
- 1372US8111667B2Wireless transceiverSHIDA MASAAKI·Filed 2009·Granted Feb 7, 2012·4 cites·15 claims
- 1471US6675007B2Charging method and terminal equipment in the information and communication network systemHITACHI LTD·Filed 2002·Granted Jan 6, 2004·14 cites·4 claims
- 1570US8923908B2Distributed antenna systemSHIDA MASAAKI·Filed 2011·Granted Dec 30, 2014·3 cites·6 claims
- 1668US7016665B2Charging method and terminal equipment in the information and communication network systemHITACHI LTD·Filed 2002·Granted Mar 21, 2006·11 cites·4 claims
- 1767US8494076B2MIMO wireless data communication system, MIMO wireless data communication method and MIMO wireless data communication apparatusHAYASE SHIGENORI·Filed 2010·Granted Jul 23, 2013·2 cites·12 claims
- 1867US8363634B2Wireless communication method, wireless communication apparatus and access point apparatusHITACHI LTD·Filed 2007·Granted Jan 29, 2013·3 cites·18 claims
- 1967US8184724B2Wireless communication system and wireless communication methodYAMAMOTO KEISUKE·Filed 2008·Granted May 22, 2012·3 cites·14 claims
- 2066US7353032B2Method, system, and apparatus for detecting a position of a terminal in a networkHITACHI LTD·Filed 2006·Granted Apr 1, 2008·5 cites·7 claims
- 2165US9100082B2Radio communication system and a repeaterSHIDA MASAAKI·Filed 2011·Granted Aug 4, 2015·2 cites·7 claims
- 2264US6527177B1Automatic identification equipment and IC cardsHITACHI LTD·Filed 2000·Granted Mar 4, 2003·9 cites·2 claims
- 2361US6010075AMoving object identification method and apparatusHITACHI LTD·Filed 1997·Granted Jan 4, 2000·25 cites·10 claims
- 2453US7136433B2Frequency offset cancellation circuit for data determination in FM wireless communicationsHITACHI ENG CO LTD·Filed 2002·Granted Nov 14, 2006·2 cites·13 claims
- 2548US7660288B2Radio communication deviceHITACHI LTD·Filed 2006·Granted Feb 9, 2010·0 cites·6 claims
- 2646US2010278279A1Mimo wireless data transmission systemHITACHI LTD·Filed 2010·Application pending·0 cites
- 2745US8155219B2Apparatus and method for peak suppression in wireless communication systemsHAYASE SHIGENORI·Filed 2008·Granted Apr 10, 2012·0 cites·18 claims
- 2845US2008267133A1Mimo wireless communication system, mimo wireless communication apparatuses, and wireless communication methodSHIDA MASAAKI·Filed 2008·Application pending·0 cites
- 2944US4294657AApparatus for making fiberboardFUJI MFG CO LTD·Filed 1980·Granted Oct 13, 1981·8 cites·2 claims
- 3042US2006128414A1Wireless communication systemsHITACHI LTD·Filed 2005·Application pending·0 cites
- 3140US2006140253A1Ultra-wideband transmitter and transceiver using the sameRENESAS TECH CORP·Filed 2005·Application pending·0 cites
- 3235US2007286102A1Wireless Communication System Capable of Switching ProtocolSHIMOKAWA ISAO·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →