Inventor · disambiguated record
Nobukatsu Arai
Also filed as: ARAI NOBUKATSU · FUKUSHIMA TOSHIHIKO · SATO EIJI
27 granted patents·764 citations·filing 1977–2002
97Inventor score
Files withHITACHI LTD27
Top patents by PatentIndex Score
27 records- 0199US4496296ADevice for pressing orbiting scroll member in scroll type fluid machineHITACHI LTD·Filed 1983·Granted Jan 29, 1985·150 cites·26 claims
- 0298US4216661AScroll compressor with means for end plate bias and cooled gas return to sealed compressor spacesHITACHI LTD·Filed 1978·Granted Aug 12, 1980·107 cites·7 claims
- 0397US5992391AElectromagnetic fuel injector and control method thereofHITACHI LTD·Filed 1998·Granted Nov 30, 1999·78 cites·22 claims
- 0488US4887577AHot-wire type air flow meter and an internal combustion engine with the sameHITACHI LTD·Filed 1988·Granted Dec 19, 1989·45 cites·11 claims
- 0582US4974445AHot wire type of air flow meter and internal combustion engine using the sameHITACHI LTD·Filed 1989·Granted Dec 4, 1990·26 cites·17 claims
- 0681US4522574ABalancing weight device for scroll-type fluid machineHITACHI LTD·Filed 1983·Granted Jun 11, 1985·30 cites·13 claims
- 0775US6129073AElectromagnetic fuel injector and control method thereofHITACHI LTD·Filed 1999·Granted Oct 10, 2000·21 cites·9 claims
- 0871US5789673AThermal type air flow measuring instrument for internal combustion engineHITACHI LTD·Filed 1995·Granted Aug 4, 1998·34 cites·39 claims
- 0970US4175416AApparatus for manufacturing heat transfer tubesHITACHI LTD·Filed 1978·Granted Nov 27, 1979·12 cites·19 claims
- 1069US6431155B1Electromagnetic fuel injector and control method thereofHITACHI LTD·Filed 2000·Granted Aug 13, 2002·11 cites·12 claims
- 1169US6082341ASupercharger for engineHITACHI LTD·Filed 1998·Granted Jul 4, 2000·23 cites·11 claims
- 1268US5832403AAir flow measuring apparatus and method thereofHITACHI LTD·Filed 1996·Granted Nov 3, 1998·31 cites·12 claims
- 1365US4991560AHot-wire air flow meter and internal combustion engine provided with sameHITACHI LTD·Filed 1990·Granted Feb 12, 1991·26 cites·23 claims
- 1458US5750889AAir flow rate measuring apparatus and air flow rate measuring methodHITACHI LTD·Filed 1995·Granted May 12, 1998·22 cites·15 claims
- 1557US5939628AThermal type air flow measuring instrument for internal combustion engineHITACHI LTD·Filed 1998·Granted Aug 17, 1999·18 cites·9 claims
- 1657USRE34403EHot-wire type air flow meter and an internal combustion engine with the sameHITACHI LTD·Filed 1991·Granted Oct 12, 1993·16 cites·12 claims
- 1756US5381691AAir flow meterHITACHI LTD·Filed 1993·Granted Jan 17, 1995·19 cites·4 claims
- 1851US5952571AThermal type flow meterHITACHI LTD·Filed 1997·Granted Sep 14, 1999·17 cites·7 claims
- 1948US6189379B1Thermal type air flow measuring instrument for internal combustion engineHITACHI LTD·Filed 1999·Granted Feb 20, 2001·12 cites·11 claims
- 2047US5231871AHot-electrical-resistance type gas flow meter and internal combustion engine with hot-electrical-resistance type gas flow meterHITACHI LTD·Filed 1991·Granted Aug 3, 1993·12 cites·11 claims
- 2146US6615805B2Electromagnetic fuel injector and control method thereofHITACHI LTD·Filed 2002·Granted Sep 9, 2003·3 cites·14 claims
- 2246US4326391ARankine-cycle-engine-driven cooling-and-heating systemHITACHI LTD·Filed 1980·Granted Apr 27, 1982·12 cites·6 claims
- 2345US4735550ATurbo molecular pumpHITACHI LTD·Filed 1986·Granted Apr 5, 1988·13 cites·3 claims
- 2444US4168743AHeat exchanging wall and method for the production thereofHITACHI LTD·Filed 1977·Granted Sep 25, 1979·10 cites·7 claims
- 2543US5201216AAir flow meter for internal combustion engines and a manufacturing method thereofHITACHI LTD·Filed 1991·Granted Apr 13, 1993·11 cites·10 claims
- 2632US5243859AThermo-type air flow meterHITACHI LTD·Filed 1991·Granted Sep 14, 1993·3 cites·11 claims
- 2732US4986115AHot-wire air flow meterHITACHI LTD·Filed 1988·Granted Jan 22, 1991·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →