Inventor · disambiguated record
Tomohiro Esaki
Also filed as: ESAKI TOMOHIRO
7 granted patents·2 pending applications·270 citations·filing 1990–2006
88Inventor score
Files withHITACHI LTD9
Top patents by PatentIndex Score
9 records- 0183US6928306B2Portable mobile unitHITACHI LTD·Filed 2001·Granted Aug 9, 2005·34 cites·15 claims
- 0279US7177960B2Mobile terminalHITACHI LTD·Filed 2006·Granted Feb 13, 2007·5 cites·3 claims
- 0377US5754629AInformation processing system which can handle voice or image dataHITACHI LTD·Filed 1994·Granted May 19, 1998·46 cites·12 claims
- 0475US5131032AEcho canceller and communication apparatus employing the sameHITACHI LTD·Filed 1990·Granted Jul 14, 1992·68 cites·20 claims
- 0564US5740369AInformation delivery system and portable information terminalHITACHI LTD·Filed 1995·Granted Apr 14, 1998·99 cites·14 claims
- 0649US2004252139A1Mobile terminalHITACHI LTD·Filed 2004·Application pending·0 cites
- 0748US2005181838A1Portable mobile unitHITACHI LTD·Filed 2005·Application pending·0 cites
- 0841US5361047API/4 shift QPSK modulator and communication apparatus used therewithHITACHI LTD·Filed 1993·Granted Nov 1, 1994·13 cites·15 claims
- 0932US6285982B1Sound decompressing apparatus providing improved sound quality during special reproducing such as forward search reproducing and reverse search reproducingHITACHI LTD·Filed 1998·Granted Sep 4, 2001·5 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →