Inventor · disambiguated record
Toyomi Obikawa
Also filed as: OBIKAWA TOYOMI
4 granted patents·45 citations·filing 1993–2004
75Inventor score
Top patents by PatentIndex Score
4 records- 0168US7019611B2Modem coupling circuit for power-line carrierNEC TOKIN CORP·Filed 2004·Granted Mar 28, 2006·12 cites·7 claims
- 0247US5896420ATransmission apparatus having echo cancellation facilityFUJITSU LTD·Filed 1996·Granted Apr 20, 1999·23 cites·8 claims
- 0334US5631923ATwo-wire full-duplex modemFUJITSU LTD·Filed 1993·Granted May 20, 1997·8 cites·14 claims
- 0429US6002724ATransmission apparatus and control method thereforFUJITSU LTD·Filed 1996·Granted Dec 14, 1999·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →