Inventor · disambiguated record
Katsuhiro Furukawa
Also filed as: FURUKAWA KATSUHIRO
11 granted patents·299 citations·filing 1990–2007
92Inventor score
Top patents by PatentIndex Score
11 records- 0178US6603807B1Isolator and a modem device using the isolatorHITACHI LTD·Filed 1999·Granted Aug 5, 2003·85 cites·17 claims
- 0277US6130577ADigital demodulators for phase modulated and amplitude-phase modulated signalsHITACHI LTD·Filed 1996·Granted Oct 10, 2000·51 cites·19 claims
- 0376US6765959B1Communication method of contactless ID card and integrated circuit used in communication methodHITACHI LTD·Filed 1999·Granted Jul 20, 2004·44 cites·13 claims
- 0475US5227795AOver-sampling analog-to-digital converter using a current switching circuit as a local digital-to-analog converterHITACHI LTD·Filed 1991·Granted Jul 13, 1993·40 cites·25 claims
- 0574US7522692B2Isolator and a modem device using the isolatorHITACHI LTD·Filed 2007·Granted Apr 21, 2009·4 cites·2 claims
- 0669US6407432B1Semiconductor deviceHITACHI LTD·Filed 1999·Granted Jun 18, 2002·36 cites·10 claims
- 0763US7289553B2Isolator and a modem device using the isolatorHITACHI LTD·Filed 2003·Granted Oct 30, 2007·6 cites·19 claims
- 0859US5113304ADigital protective circuit breakerTOSHIBA KK·Filed 1990·Granted May 12, 1992·22 cites·1 claims
- 0953US7116709B2Communication method of contactless ID card and integrated circuit used in communication methodHITACHI LTD·Filed 2004·Granted Oct 3, 2006·3 cites·15 claims
- 1035US5406218APhase demodulator receiving inputs from phase detector and binary phase detectorHITACHI LTD·Filed 1994·Granted Apr 11, 1995·8 cites·8 claims
- 1130US6476750B1Over-sampling A/D, D/A converterHITACHI LTD·Filed 1999·Granted Nov 5, 2002·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →