Inventor · disambiguated record
Naruichi Yokogawa
Also filed as: YOKOGAWA NARUICHI
18 granted patents·1 pending application·141 citations·filing 1991–2009
93Inventor score
Top patents by PatentIndex Score
19 records- 0173US6038049AWaveform-shaping circuit and a data-transmitting apparatus using such a circuitSHARP KK·Filed 1997·Granted Mar 14, 2000·47 cites·9 claims
- 0270US7359649B2Infrared transmitter circuit and electronic deviceSHARP KK·Filed 2004·Granted Apr 15, 2008·13 cites·18 claims
- 0365US6677732B1Charge and/or discharge circuit, and carrier detector circuit using sameSHARP KK·Filed 2002·Granted Jan 13, 2004·10 cites·8 claims
- 0464US8050572B2Receiver and electronic deviceSHARP KK·Filed 2008·Granted Nov 1, 2011·3 cites·6 claims
- 0561US6693466B2Comparator circuit and infrared signal receiving apparatusSHARP KK·Filed 2002·Granted Feb 17, 2004·9 cites·8 claims
- 0659US7054389B2Carrier detection circuit and infrared ray remote control receiverSHARP KK·Filed 2001·Granted May 30, 2006·5 cites·50 claims
- 0753US8217335B2Optical modulation-type detection device and electronic deviceHIRAMATSU TAKUMA·Filed 2009·Granted Jul 10, 2012·4 cites·38 claims
- 0852US6137101ALight receiving amplifying deviceSHARP KK·Filed 1998·Granted Oct 24, 2000·20 cites·20 claims
- 0949US6762596B2Constant voltage circuit and infrared remote control receiver using the sameSHARP KK·Filed 2002·Granted Jul 13, 2004·6 cites·11 claims
- 1044US2009067854A1Optical space communication reception circuit, optical space communication device, optical space communication system, and electronic deviceYOKOGAWA NARUICHI·Filed 2008·Application pending·0 cites
- 1143US7437084B2Infrared radiation receiving circuit, electronic device, and infrared radiation receiving methodSHARP KK·Filed 2004·Granted Oct 14, 2008·0 cites·15 claims
- 1242US6480311B1Peak-hold circuit and an infrared communication device provided with such a circuitSHARP KK·Filed 1998·Granted Nov 12, 2002·7 cites·10 claims
- 1341US5272329AOptical pickup device using a holographic optical element and an amplifierSHARP KK·Filed 1991·Granted Dec 21, 1993·5 cites·13 claims
- 1440US7460792B2Receiving circuit and electronic apparatus for optical communicationSHARP KK·Filed 2005·Granted Dec 2, 2008·0 cites·11 claims
- 1540US7157684B2Receiving circuit for free-space optical communicationSHARP KK·Filed 2004·Granted Jan 2, 2007·2 cites·10 claims
- 1637US5321254ALight-receiving and amplyfying device capable of widening an AC operation rangeSHARP KK·Filed 1993·Granted Jun 14, 1994·4 cites·25 claims
- 1736US6812546B2Current mirror circuit and optical signal circuit using sameSHARP KK·Filed 2003·Granted Nov 2, 2004·0 cites·14 claims
- 1834US6147533AData communication receiving elementsSHARP KK·Filed 1998·Granted Nov 14, 2000·6 cites·16 claims
- 1932US7061303B2Photoelectric leak current compensating circuit and optical signal circuit using sameSHARP KK·Filed 2004·Granted Jun 13, 2006·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →