Inventor · disambiguated record
Syuuichi Yoshikawa
Also filed as: YOSHIKAWA SYUUICHI
6 granted patents·61 citations·filing 1989–1995
81Inventor score
Top patents by PatentIndex Score
6 records- 0156US5343420ASignal discrimination circuitSHARP KK·Filed 1993·Granted Aug 30, 1994·17 cites·27 claims
- 0253US5057786AQuadrature amplitude modulation wave demodulator provided with band-pass filters for fixed equalizerSHARP KK·Filed 1990·Granted Oct 15, 1991·19 cites·7 claims
- 0349US5113142AQAM demodulator having automatic adaptive equalizerSHARP KK·Filed 1990·Granted May 12, 1992·16 cites·9 claims
- 0433US5140612AModem for use in a data communication systemSHARP KK·Filed 1990·Granted Aug 18, 1992·6 cites·10 claims
- 0528US5600755AVoice codec apparatusSHARP KK·Filed 1995·Granted Feb 4, 1997·0 cites·5 claims
- 0625US5117369ADTMF receiverYOSHIKAWA SYUUICHI·Filed 1989·Granted May 26, 1992·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →