Inventor · disambiguated record
Masahiro Umehira
Also filed as: UMEHIRA MASAHIRO
9 granted patents·2 pending applications·442 citations·filing 1992–2018
91Inventor score
Files withNIPPON TELEGRAPH & TELEPHONE8FUJITA TAKAFUMI1HITACHI AUTOMOTIVE SYSTEMS LTD1UNITED KINGDOM GOVERNMENT1
Top patents by PatentIndex Score
11 records- 0195US8248975B2Wireless transmitting apparatus, wireless receiving apparatus, wireless transmission method, wireless reception method, wireless communication system, and wireless communication methodFUJITA TAKAFUMI·Filed 2006·Granted Aug 21, 2012·74 cites·44 claims
- 0293US7242720B2OFDM signal communication system, OFDM signal transmitting device and OFDM signal receiving deviceNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Jul 10, 2007·125 cites·33 claims
- 0380US7075912B2Wireless communication system using access points that can be freely set up by usersNIPPON TELEGRAPH & TELEPHONE·Filed 2002·Granted Jul 11, 2006·42 cites·33 claims
- 0479US6512747B1ATM transmission systemNIPPON TELEGRAPH & TELEPHONE·Filed 1999·Granted Jan 28, 2003·79 cites·5 claims
- 0579US6330699B1Error compensating method and apparatus and medium storing an error compensating programNIPPON TELEGRAPH & TELEPHONE·Filed 2000·Granted Dec 11, 2001·27 cites·3 claims
- 0661US6163861AError compensating method and apparatus and medium storing an error compensation programNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Dec 19, 2000·44 cites·9 claims
- 0747US5862175ADigital transmission apparatus using differential coding and forward error correctionNIPPON TELEGRAPH & TELEPHONE·Filed 1996·Granted Jan 19, 1999·22 cites·8 claims
- 0843US6188697B1ATM cell transport system for wireless communicationsNIPPON TELEGRAPH & TELEPHONE·Filed 1997·Granted Feb 13, 2001·23 cites·9 claims
- 0940US2019369221A1Radar deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2018·Application pending·0 cites
- 1032US2006061511A1Active antennaNIPPON TELEGRAPH & TELEPHONE·Filed 2003·Application pending·0 cites
- 1125US5245340ADigital transmultiplexer with automatic threshold controllerUNITED KINGDOM GOVERNMENT·Filed 1992·Granted Sep 14, 1993·6 cites·4 claims
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