Inventor · disambiguated record
Takashi Shirakawa
Also filed as: SHIRAKAWA TAKASHI · TERAO HIROTOSHI
54 granted patents·1 pending application·1,315 citations·filing 1980–2021
99Inventor score
Files withNISSAN MOTOR31ALPS ELECTRIC CO LTD20PANASONIC IP MAN CO LTD2PHC HOLDINGS CORP1SAEKI TAKESHI1
Top patents by PatentIndex Score
55 records- 0198US6993901B2Excess air factor control of diesel engineNISSAN MOTOR·Filed 2002·Granted Feb 7, 2006·96 cites·29 claims
- 0297US6886334B2Combustion control of diesel engineNISSAN MOTOR·Filed 2002·Granted May 3, 2005·85 cites·18 claims
- 0396US7631493B2Exhaust gas purification control of diesel engineNISSAN MOTOR·Filed 2005·Granted Dec 15, 2009·95 cites·8 claims
- 0496US6301529B1Driving apparatus and method for hybrid vehicleNISSAN MOTOR·Filed 2000·Granted Oct 9, 2001·103 cites·14 claims
- 0595US5682864AController for internal combustion enginesNISSAN MOTOR·Filed 1996·Granted Nov 4, 1997·76 cites·12 claims
- 0694US7296561B2Engine control apparatusNISSAN MOTOR·Filed 2005·Granted Nov 20, 2007·36 cites·8 claims
- 0793US7107770B2Engine control deviceNISSAN MOTOR·Filed 2005·Granted Sep 19, 2006·24 cites·19 claims
- 0893US5706780ADiesel engine fuel property determining device and controllerNISSAN MOTOR·Filed 1996·Granted Jan 13, 1998·68 cites·12 claims
- 0992US6962045B2Exhaust gas apparatus and method for purifying exhaust gas in internal combustion engineNISSAN MOTOR·Filed 2003·Granted Nov 8, 2005·46 cites·2 claims
- 1090US7587888B2Engine control apparatusNISSAN MOTOR·Filed 2005·Granted Sep 15, 2009·17 cites·19 claims
- 1190US6247311B1Diesel engine controllerNISSAN MOTOR·Filed 2000·Granted Jun 19, 2001·64 cites·11 claims
- 1289US6273056B1Control system for diesel engine during cold-engine warm-upNISSAN MOTOR·Filed 1998·Granted Aug 14, 2001·52 cites·12 claims
- 1389US5964820ADiesel engine exhaust recirculating system diagnosticNISSAN MOTOR·Filed 1997·Granted Oct 12, 1999·53 cites·14 claims
- 1487US6612292B2Fuel injection control for diesel engineNISSAN MOTOR·Filed 2001·Granted Sep 2, 2003·34 cites·13 claims
- 1583US12136886B2Power conversion devicePANASONIC IP MAN CO LTD·Filed 2020·Granted Nov 5, 2024·2 cites·10 claims
- 1683US6658847B2Control of superchargerNISSAN MOTOR·Filed 2001·Granted Dec 9, 2003·22 cites·14 claims
- 1781US7208029B2Exhaust gas cleaning systemNISSAN MOTOR·Filed 2004·Granted Apr 24, 2007·25 cites·16 claims
- 1879US6625985B2Control of turbochargerNISSAN MOTOR·Filed 2001·Granted Sep 30, 2003·23 cites·12 claims
- 1978US7107760B2Exhaust gas purifying system for internal combustion engineNISSAN MOTOR·Filed 2004·Granted Sep 19, 2006·17 cites·14 claims
- 2075US7162860B2Diagnosis system of exhaust aftertreatment apparatus for internal combustion engineNISSAN MOTOR·Filed 2004·Granted Jan 16, 2007·17 cites·14 claims
- 2173US6412469B1Fuel injection control system for diesel engineNISSAN MOTOR·Filed 2000·Granted Jul 2, 2002·28 cites·20 claims
- 2272US5594488AThermal headALPS ELECTRIC CO LTD·Filed 1995·Granted Jan 14, 1997·32 cites·17 claims
- 2371US6952920B2Exhaust gas cleaning systemNISSAN MOTOR·Filed 2004·Granted Oct 11, 2005·16 cites·11 claims
- 2470US6510692B2Control of superchargerNISSAN MOTOR·Filed 2001·Granted Jan 28, 2003·16 cites·9 claims
- 2569US7043900B2Turbocharged engine control systemNISSAN MOTOR·Filed 2004·Granted May 16, 2006·22 cites·9 claims
- 2669US6816771B2Intake air control system and method for an internal combustion engineNISSAN MOTOR·Filed 2003·Granted Nov 9, 2004·15 cites·19 claims
- 2767US7555895B2Exhaust gas purifying apparatus and method for internal combustion engineNISSAN MOTOR·Filed 2004·Granted Jul 7, 2009·13 cites·20 claims
- 2867US7040086B2Exhaust emission control system of internal combustion engineNISSAN MOTOR·Filed 2004·Granted May 9, 2006·14 cites·11 claims
- 2964US7143740B2Engine fuel injection control deviceNISSAN MOTOR·Filed 2005·Granted Dec 5, 2006·5 cites·15 claims
- 3063US5617831ADiesel engine startup controllerNISSAN MOTOR·Filed 1996·Granted Apr 8, 1997·21 cites·12 claims
- 3161US6742329B2Exhaust emission control system of diesel engineNISSAN MOTOR·Filed 2003·Granted Jun 1, 2004·16 cites·10 claims
- 3261US6501497B2Thermal head with small size of steps of protective layer formed on heating portion and manufacturing method thereofALPS ELECTRIC CO LTD·Filed 2001·Granted Dec 31, 2002·10 cites·5 claims
- 3358US7007463B2Engine fuel injection control systemNISSAN MOTOR·Filed 2004·Granted Mar 7, 2006·13 cites·15 claims
- 3458US5374946ASliding contact part for recording mediumALPS ELECTRIC CO LTD·Filed 1993·Granted Dec 20, 1994·13 cites·9 claims
- 3556US6767081B2Thermal headALPS ELECTRIC CO LTD·Filed 2002·Granted Jul 27, 2004·6 cites·1 claims
- 3656US6529224B2Thermal head enabling continuous printing without print quality deteriorationALPS ELECTRIC CO LTD·Filed 2002·Granted Mar 4, 2003·6 cites·8 claims
- 3756US5661513AThermal headALPS ELECTRIC CO LTD·Filed 1996·Granted Aug 26, 1997·17 cites·9 claims
- 3855US7046265B2Power-saving thermal headALPS ELECTRIC CO LTD·Filed 2002·Granted May 16, 2006·6 cites·2 claims
- 3955US4369483ATrimmer capacitorALPS ELECTRIC CO LTD·Filed 1980·Granted Jan 18, 1983·9 cites·5 claims
- 4054US7275363B2Exhaust gas purifying apparatus and method for internal combustion engineNISSAN MOTOR·Filed 2004·Granted Oct 2, 2007·7 cites·19 claims
- 4154US4724182AThin film circuit substrateALPS ELECTRIC CO LTD·Filed 1986·Granted Feb 9, 1988·19 cites·3 claims
- 4252US5162814AResin-coated thermal printer headALPS ELECTRIC CO LTD·Filed 1991·Granted Nov 10, 1992·10 cites·12 claims
- 4352US2023321353A1Drug cartridge, cassette, drug injection device, and drug injection systemPHC HOLDINGS CORP·Filed 2021·Application pending·0 cites
- 4447US5473357AThermal head and manufacturing methodALPS ELECTRIC CO LTD·Filed 1993·Granted Dec 5, 1995·7 cites·4 claims
- 4544US5477266AThermal head, manufacturing method, and thermal printer using the thermal headALPS ELECTRIC CO LTD·Filed 1994·Granted Dec 19, 1995·6 cites·5 claims
- 4643US6201558B1Thermal headALPS ELECTRIC CO LTD·Filed 1999·Granted Mar 13, 2001·10 cites·12 claims
- 4742US7692676B1Thermal headALPS ELECTRIC CO LTD·Filed 1998·Granted Apr 6, 2010·7 cites·8 claims
- 4842US6950117B2Thermal headALPS ELECTRIC CO LTD·Filed 2004·Granted Sep 27, 2005·2 cites·9 claims
- 4941US5635975AThermal headALPS ELECTRIC CO LTD·Filed 1996·Granted Jun 3, 1997·7 cites·8 claims
- 5040US12255538B2Power conversion devicePANASONIC IP MAN CO LTD·Filed 2020·Granted Mar 18, 2025·0 cites·14 claims
Showing the top 50 of 55 patent records by PatentIndex Score.
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