Inventor · disambiguated record
Masamichi Furukawa
Also filed as: FURUKAWA MASAMICHI
19 granted patents·3 pending applications·508 citations·filing 1973–2008
95Inventor score
Top patents by PatentIndex Score
22 records- 0192US4494854AEnergy saving cameraRICOH KK·Filed 1983·Granted Jan 22, 1985·40 cites·15 claims
- 0291US6320829B1Digital copy control method, digital recording medium, digital recording medium producing apparatus, digital reproducing apparatus and digital recording apparatusYAMAHA CORP·Filed 1999·Granted Nov 20, 2001·136 cites·17 claims
- 0387US4084219ADc-dc converterRICOH KK·Filed 1977·Granted Apr 11, 1978·34 cites·3 claims
- 0485US6856756B1Digital data transmitting apparatus and receiving apparatusYAMAHA CORP·Filed 1999·Granted Feb 15, 2005·57 cites·13 claims
- 0585US5268889ADisplay device for a compact disc player and a compact discYAMAHA CORP·Filed 1991·Granted Dec 7, 1993·34 cites·10 claims
- 0681US6370319B1Digital recording apparatus and methodYAMAHA CORP·Filed 1999·Granted Apr 9, 2002·69 cites·10 claims
- 0779US5315578ADisc recording medium and data recording methodYAMAHA CORP·Filed 1992·Granted May 24, 1994·27 cites·21 claims
- 0865US5485442ADisplay device for a compact disc player and a compact discYAMAHA CORP·Filed 1993·Granted Jan 16, 1996·13 cites·14 claims
- 0963US5291084AStepping motor having at least one set of asymmetric stator pole teethCANON PRECISION INC·Filed 1991·Granted Mar 1, 1994·33 cites·4 claims
- 1061US5066722AHeat-latent curing catalyst and resin compositions containing the sameNIPPON PAINT CO LTD·Filed 1990·Granted Nov 19, 1991·7 cites·2 claims
- 1161US4053831AWaveform analysis systemRICOH KK·Filed 1976·Granted Oct 11, 1977·14 cites·25 claims
- 1260US3934256AIdentification card producing apparatusRICOH KK·Filed 1973·Granted Jan 20, 1976·10 cites·7 claims
- 1357US8230101B2Server device for media, method for controlling server for media, and programSEKIGUCHI SATORU·Filed 2007·Granted Jul 24, 2012·2 cites·12 claims
- 1456US5627240ALow-temperature curable compositionNIPPON PAINT CO LTD·Filed 1995·Granted May 6, 1997·17 cites·9 claims
- 1554US5606096AProduction of unsaturated carbamic acid derivativeNIPPON PAINT CO LTD·Filed 1995·Granted Feb 25, 1997·5 cites·8 claims
- 1654US4027314AShutter and low-light indicator actuating device for a cameraRICOH KK·Filed 1975·Granted May 31, 1977·4 cites·6 claims
- 1750US2009031160A1Digital watermark information adding device, data reproduction device and data recording deviceKENWOOD CORP·Filed 2008·Application pending·0 cites
- 1844US2007088954A1Digital watermark information adding device, data reproduction device and data recording deviceKENWOOD CORP·Filed 2003·Application pending·0 cites
- 1943US2009157892A1Media server device, media server control method, and programKENWOOD CORP·Filed 2006·Application pending·0 cites
- 2041US4213683AElectronic shutter driving device for cameraRICOH KK·Filed 1978·Granted Jul 22, 1980·2 cites·4 claims
- 2138US4223271AIntegrating circuitRICOH KK·Filed 1978·Granted Sep 16, 1980·3 cites·7 claims
- 2237US4015274AMemory device of an electrical shutter for single lens reflex cameraRICOH KK·Filed 1975·Granted Mar 29, 1977·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →