Inventor · disambiguated record
Hiroshi Tanigawa
Also filed as: TANIGAWA HIROSHI · TANIKAWA HIROSHI
29 granted patents·1 pending application·432 citations·filing 1981–2015
97Inventor score
Files withTOKO INC13FUJI PHOTO FILM CO LTD5MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4NEC CORP2GIKEN TRASTEM CO LTD1
Top patents by PatentIndex Score
30 records- 0189US6556533B1Optical pickup deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 29, 2003·35 cites·28 claims
- 0280US6266314B1Optical pickup deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 24, 2001·33 cites·48 claims
- 0380US4882714AObject detecting system using ultrasonic wavesNEC CORP·Filed 1988·Granted Nov 21, 1989·41 cites·1 claims
- 0480US4814724AGain control circuit of current mirror circuit typeTOKO INC·Filed 1987·Granted Mar 21, 1989·30 cites·5 claims
- 0575US4896304AObject detecting system using ultrasonic wavesNEC CORP·Filed 1989·Granted Jan 23, 1990·31 cites·5 claims
- 0674US6083369AHeater control system for an air-fuel ratio sensor in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Jul 4, 2000·31 cites·42 claims
- 0772US6256283B1Optical pickup having a common light beam path for passing either of a plurality of kinds of light beamsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 3, 2001·23 cites·40 claims
- 0867US5410349ASolid-state image pick-up device of the charge-coupled device type synchronizing drive signals for a full-frame read-outFUJI PHOTO FILM CO LTD·Filed 1993·Granted Apr 25, 1995·22 cites·20 claims
- 0966US7573800B2Optical pickup and optical disk apparatusPANASONIC CORP·Filed 2005·Granted Aug 11, 2009·2 cites·5 claims
- 1064US5894143ASolid-state image pick-up device for the charge-coupled device type synchronizing drive signals for a full-frame read-outFUJI PHOTO FILM CO LTD·Filed 1997·Granted Apr 13, 1999·23 cites·3 claims
- 1162US7057448B2Variable output-type constant current source circuitTOKO INC·Filed 2004·Granted Jun 6, 2006·15 cites·4 claims
- 1259US6307951B1Moving body detection method and apparatus and moving body counting apparatusGIKEN TRASTEM CO LTD·Filed 1997·Granted Oct 23, 2001·30 cites·6 claims
- 1356US5258716AAll-pass filterTOKO INC·Filed 1992·Granted Nov 2, 1993·14 cites·1 claims
- 1453US4767979ASwitching circuit device using current mirror circuitsTOKO INC·Filed 1987·Granted Aug 30, 1988·12 cites·2 claims
- 1551US5182522APolar leapfrog filterTOKO INC·Filed 1992·Granted Jan 26, 1993·11 cites·4 claims
- 1647US5705837ASolid-state image pick-up device of the charge-coupled device type synchronizing drive signals for a full-frame read-outFUJI PHOTO FILM CO LTD·Filed 1995·Granted Jan 6, 1998·10 cites·2 claims
- 1746US4387389ASemiconductor filter using charge transfer deviceNIPPON ELECTRIC CO·Filed 1981·Granted Jun 7, 1983·7 cites·14 claims
- 1845US5216375AVariable time-constant type differentiatorTOKO INC·Filed 1991·Granted Jun 1, 1993·8 cites·3 claims
- 1943US5376967AMethod and apparatus for driving a high resolution CCD image pickup device by transferring empty packetsFUJI PHOTO FILM CO LTD·Filed 1992·Granted Dec 27, 1994·12 cites·7 claims
- 2042US5467045AIntegrator including an offset eliminating circuit and capable of operating with low voltageTOKO INC·Filed 1994·Granted Nov 14, 1995·8 cites·1 claims
- 2142US2006081761A1Optical pickup apparatus and optical disk apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Application pending·0 cites
- 2241US5978026ASolid-state image pickup deviceFUJI PHOTO FILM CO LTD·Filed 1993·Granted Nov 2, 1999·9 cites·5 claims
- 2339US10233320B2Thermoplastic resin composition and resin molded articleUMG ABS LTD·Filed 2015·Granted Mar 19, 2019·0 cites·4 claims
- 2439US5298813APolar leapfrog filterTOKO INC·Filed 1992·Granted Mar 29, 1994·6 cites·3 claims
- 2539US5177382AActive filter circuitTOKO INC·Filed 1991·Granted Jan 5, 1993·6 cites·2 claims
- 2636US4808856ALow voltage phase comparatorTOKO INC·Filed 1987·Granted Feb 28, 1989·5 cites·2 claims
- 2734US8609754B2Flame-retardant thermoplastic resin composition and molded article thereofNAITO YOSHITAKA·Filed 2010·Granted Dec 17, 2013·0 cites·8 claims
- 2834US6927559B2Constant voltage power supplyTOKO INC·Filed 2003·Granted Aug 9, 2005·2 cites·5 claims
- 2933US5296763APolar leapfrog filterTOKO INC·Filed 1992·Granted Mar 22, 1994·3 cites·7 claims
- 3033US5293086APolar leapfrog filterTOKO INC·Filed 1992·Granted Mar 8, 1994·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →