Inventor · disambiguated record
Korefumi Tashiro
Also filed as: TASHIRO KOREFUMI
24 granted patents·613 citations·filing 1975–2006
97Inventor score
Files withHITACHI LTD24
Top patents by PatentIndex Score
24 records- 0196US5487516ATrain control systemHITACHI LTD·Filed 1994·Granted Jan 30, 1996·147 cites·19 claims
- 0288US5805797AController having a fail safe function, automatic train controller and system using the sameHITACHI LTD·Filed 1995·Granted Sep 8, 1998·63 cites·37 claims
- 0384US4099111AControl apparatus for DC motorHITACHI LTD·Filed 1976·Granted Jul 4, 1978·27 cites·14 claims
- 0478US7200470B2Train detection system and a train detection methodHITACHI LTD·Filed 2006·Granted Apr 3, 2007·8 cites·4 claims
- 0576US6604031B2Train detection system and a train detection methodHITACHI LTD·Filed 2002·Granted Aug 5, 2003·25 cites·8 claims
- 0670US4596013AData transmission networkHITACHI LTD·Filed 1983·Granted Jun 17, 1986·22 cites·7 claims
- 0769US6092217ALogic circuit having error detection function, redundant resource management method and fault tolerant system using itHITACHI LTD·Filed 1997·Granted Jul 18, 2000·49 cites·27 claims
- 0869US5346163APower supply regulation system for a railwayHITACHI LTD·Filed 1992·Granted Sep 13, 1994·55 cites·2 claims
- 0966US4133018AThyristor fault-detecting apparatusHITACHI LTD·Filed 1977·Granted Jan 2, 1979·16 cites·6 claims
- 1065US5422965AAir bag operation deviceHITACHI LTD·Filed 1993·Granted Jun 6, 1995·24 cites·25 claims
- 1164US6374165B2Railway information transmission method and systemHITACHI LTD·Filed 2001·Granted Apr 16, 2002·9 cites·26 claims
- 1264US5802266ALogic circuit having error detection function, redundant resource management method, and fault tolerant system using itHITACHI LTD·Filed 1994·Granted Sep 1, 1998·41 cites·9 claims
- 1362US6317664B2Train detection system and a train detection methodHITACHI LTD·Filed 2001·Granted Nov 13, 2001·12 cites·6 claims
- 1462US6230085B1Train detection system and a train detection methodHITACHI LTD·Filed 1998·Granted May 8, 2001·13 cites·14 claims
- 1562US4618930AAutomatic train control apparatusHITACHI LTD·Filed 1984·Granted Oct 21, 1986·17 cites·14 claims
- 1660US6829526B2Train detection system and a train detection method cross reference to related applicationHITACHI LTD·Filed 2003·Granted Dec 7, 2004·10 cites·7 claims
- 1758US6470244B2Train detection systemHITACHI LTD·Filed 2001·Granted Oct 22, 2002·9 cites·12 claims
- 1857US4651317ATime division multiplex data transmission systemHITACHI LTD·Filed 1983·Granted Mar 17, 1987·14 cites·22 claims
- 1948US7027901B2Transmitter and receiver device for train detectionHITACHI LTD·Filed 2004·Granted Apr 11, 2006·4 cites·4 claims
- 2048US6513131B1Logic circuit having error detection function, redundant resource management method, and fault tolerant system using itHITACHI LTD·Filed 1999·Granted Jan 28, 2003·18 cites·14 claims
- 2143US6230086B1Railway information transmission method and systemHITACHI LTD·Filed 1996·Granted May 8, 2001·16 cites·15 claims
- 2242US4007414ACurrent transducer arrangementHITACHI LTD·Filed 1975·Granted Feb 8, 1977·5 cites·13 claims
- 2337US4564774ABinary logic device having input and output alternating signalsHITACHI LTD·Filed 1983·Granted Jan 14, 1986·3 cites·17 claims
- 2433US4041324AMagnetic shield system for electric carsHITACHI LTD·Filed 1976·Granted Aug 9, 1977·6 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →