Inventor · disambiguated record
Koichi Suda
Also filed as: SUDA KOICHI
27 granted patents·2 pending applications·427 citations·filing 1981–2009
97Inventor score
Top patents by PatentIndex Score
29 records- 0197US4738112AMethod and device for controlling brake booster supplementary vacuum pump ensuring good booster vacuum and low pump wearTOYOTA MOTOR CO LTD·Filed 1986·Granted Apr 19, 1988·64 cites·6 claims
- 0284US7483250B2Drive circuit for switching deviceHITACHI LTD·Filed 2006·Granted Jan 27, 2009·10 cites·2 claims
- 0383US7746614B2Drive circuit for switching deviceHITACHI LTD·Filed 2009·Granted Jun 29, 2010·9 cites·3 claims
- 0483US6580108B1Insulated gate bipolar transistor decreasing the gate resistanceHITACHI LTD·Filed 2000·Granted Jun 17, 2003·44 cites·13 claims
- 0577US4758525AMethod of making light-receiving diodeHITACHI LTD·Filed 1986·Granted Jul 19, 1988·39 cites·18 claims
- 0676US5906294APowder supplying device utilizing an ultrasonic motorAISAN IND·Filed 1997·Granted May 25, 1999·31 cites·2 claims
- 0775US7126802B2Drive circuit for switching deviceHITACHI LTD·Filed 2004·Granted Oct 24, 2006·13 cites·3 claims
- 0875US4366799AExhaust gas recirculatorAISAN IND·Filed 1981·Granted Jan 4, 1983·18 cites·3 claims
- 0973US5351182ALevel shift circuit and inverter apparatus using the sameHITACHI LTD·Filed 1993·Granted Sep 27, 1994·26 cites·7 claims
- 1072US7295412B2Protection circuit for power management semiconductor devices and power converter having the protection circuitHITACHI LTD·Filed 2004·Granted Nov 13, 2007·13 cites·13 claims
- 1167US6776823B2Gas/liquid separating devicesAISAN IND·Filed 2003·Granted Aug 17, 2004·14 cites·15 claims
- 1265US7675727B2Protection circuit for power management semiconductor devices and power converter having the protection circuitHITACHI LTD·Filed 2007·Granted Mar 9, 2010·5 cites·13 claims
- 1365US6823885B2Liquid drains having liquid level adjusting mechanismsAISAN IND·Filed 2003·Granted Nov 30, 2004·11 cites·22 claims
- 1464US6520206B2Bi-directional pilot type electromagnetic valvesAISAN IND·Filed 2001·Granted Feb 18, 2003·10 cites·20 claims
- 1564US5426844AMethod of making a electromagnetic rotation detectorAISAN IND·Filed 1994·Granted Jun 27, 1995·21 cites·16 claims
- 1663US5128645AIgnition coil for an internal combustion engineAISAN KOYGO KABUSHIKI KAISHA·Filed 1990·Granted Jul 7, 1992·20 cites·6 claims
- 1761US7336118B2Inverter apparatusHITACHI LTD·Filed 2005·Granted Feb 26, 2008·3 cites·11 claims
- 1857US7696650B2Driving circuit for switching elementsHITACHI LTD·Filed 2008·Granted Apr 13, 2010·2 cites·2 claims
- 1956US6881313B2Crater inhibiting method and crater inhibiting agent for cationic electrodeposition coating compositionNIPPON PAINT CO LTD·Filed 2002·Granted Apr 19, 2005·4 cites·6 claims
- 2056US5184272AHigh-side switch with overcurrent protecting circuitHITACHI LTD·Filed 1990·Granted Feb 2, 1993·19 cites·14 claims
- 2152US5237861AMagnetic disk inspection apparatusSEIKO SEIKI KK·Filed 1991·Granted Aug 24, 1993·15 cites·3 claims
- 2251US7564294B2Inverter apparatusHITACHI LTD·Filed 2007·Granted Jul 21, 2009·2 cites·2 claims
- 2351US5363033AElectromagnetic rotation detector having a magnet of a symmetrically cut out cross-section for electrical connectionsAISAN IND·Filed 1992·Granted Nov 8, 1994·13 cites·16 claims
- 2449US2008173216A1Process for forming electrodeposition coating filmTSUTSUI KEISUKE·Filed 2008·Application pending·0 cites
- 2541US5289327AHard disk inspection apparatusSEIKO SEIKI KK·Filed 1992·Granted Feb 22, 1994·4 cites·4 claims
- 2640US2007001742A1Driving circuit for switching elementsISHIKAWA KATSUMI·Filed 2005·Application pending·0 cites
- 2737US4822532ACarburetorAISAN IND·Filed 1987·Granted Apr 18, 1989·5 cites·2 claims
- 2834US4694734ASealing construction for slide type vacuum pump with finger portions of spring element pressing cylindrical portion of seal element against cylinder boreTOYOTA MOTOR CO LTD·Filed 1986·Granted Sep 22, 1987·5 cites·6 claims
- 2932US4960089ACombustion systemAISAN IND·Filed 1989·Granted Oct 2, 1990·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →