Inventor · disambiguated record
Yukio Kurosawa
Also filed as: KAWAKUBO YUKIO · KUROSAWA YUKIO
49 granted patents·1,107 citations·filing 1976–2004
99Inventor score
Top patents by PatentIndex Score
49 records- 0196US5563459AApparatus for controlling opening and closing timings of a switching device in an electric power systemHITACHI LTD·Filed 1990·Granted Oct 8, 1996·112 cites·13 claims
- 0294US5305174AMethod of and device for protecting electrical power systemHITACHI LTD·Filed 1991·Granted Apr 19, 1994·106 cites·24 claims
- 0394US4210790AVacuum-type circuit interrupterHITACHI LTD·Filed 1977·Granted Jul 1, 1980·48 cites·44 claims
- 0493US4163130AVacuum interrupter with pressure monitoring meansHITACHI LTD·Filed 1976·Granted Jul 31, 1979·41 cites·14 claims
- 0591US5133825APlasma generating apparatusHITACHI LTD·Filed 1988·Granted Jul 28, 1992·54 cites·8 claims
- 0689US4196327AVacuum interrupterHITACHI LTD·Filed 1977·Granted Apr 1, 1980·30 cites·13 claims
- 0788US4713585AIon sourceHITACHI LTD·Filed 1986·Granted Dec 15, 1987·42 cites·10 claims
- 0886US4739169AIon sourceHITACHI LTD·Filed 1986·Granted Apr 19, 1988·36 cites·10 claims
- 0986US4704506AVacuum interrupterHITACHI LTD·Filed 1986·Granted Nov 3, 1987·47 cites·7 claims
- 1083US5852266AVacuum circuit breaker as well as vacuum valve and electric contact used in sameHITACHI LTD·Filed 1997·Granted Dec 22, 1998·32 cites·10 claims
- 1182US6751078B1Power use circuit breaker and electrical circuit arrangement for electric power generation plantHITACHI LTD·Filed 2000·Granted Jun 15, 2004·27 cites·5 claims
- 1280US5467049ASolid-state switchHITACHI LTD·Filed 1993·Granted Nov 14, 1995·35 cites·33 claims
- 1379US4851668AIon source application deviceHITACHI LTD·Filed 1987·Granted Jul 25, 1989·27 cites·3 claims
- 1476US4975800AContact abnormality detecting systemHITACHI LTD·Filed 1989·Granted Dec 4, 1990·35 cites·8 claims
- 1576US4939322APuffer type circuit breakerHITACHI LTD·Filed 1989·Granted Jul 3, 1990·24 cites·8 claims
- 1674US5557083AVacuum circuit breaker and electric contactHITACHI LTD·Filed 1994·Granted Sep 17, 1996·22 cites·31 claims
- 1772US4430536AVacuum interrupterHITACHI LTD·Filed 1982·Granted Feb 7, 1984·15 cites·6 claims
- 1871US5793597APuffer type gas breakerHITACHI LTD·Filed 1996·Granted Aug 11, 1998·26 cites·9 claims
- 1970US4847476AIon source deviceHITACHI LTD·Filed 1986·Granted Jul 11, 1989·17 cites·19 claims
- 2068US6048216AVacuum circuit breaker as well as vacuum valve and electric contact used in sameHITACHI LTD·Filed 1998·Granted Apr 11, 2000·18 cites·3 claims
- 2168US4695689AVacuum circuit breakerHITACHI LTD·Filed 1985·Granted Sep 22, 1987·16 cites·1 claims
- 2267US5473494AElectrical power supply systemHITACHI LTD·Filed 1992·Granted Dec 5, 1995·26 cites·19 claims
- 2367US4336430AVacuum interrupterHITACHI LTD·Filed 1979·Granted Jun 22, 1982·12 cites·14 claims
- 2466US5882730AMethod for the preparation of a double-coated body of boron nitrideSHINETSU CHEMICAL CO·Filed 1995·Granted Mar 16, 1999·22 cites·3 claims
- 2564US4864286ASwitch operation monitoring apparatusHITACHI LTD·Filed 1988·Granted Sep 5, 1989·13 cites·7 claims
- 2663US5697150AMethod forming an electric contact in a vacuum circuit breakerHITACHI LTD·Filed 1995·Granted Dec 16, 1997·17 cites·9 claims
- 2763US5379014AVacuum circuit breakerHITACHI LTD·Filed 1993·Granted Jan 3, 1995·17 cites·16 claims
- 2863US4546222AVacuum switch and method of manufacturing the sameHITACHI LTD·Filed 1984·Granted Oct 8, 1985·11 cites·25 claims
- 2961US5759646AVessel of pyrolytic boron nitrideSHINETSU CHEMICAL CO·Filed 1996·Granted Jun 2, 1998·15 cites·5 claims
- 3059US5079392AGas circuit breakerHITACHI LTD·Filed 1990·Granted Jan 7, 1992·17 cites·10 claims
- 3158US5691521AVacuum circuit breaker with improved contact assemblyHITACHI LTD·Filed 1995·Granted Nov 25, 1997·16 cites·12 claims
- 3257US4551596ASurge-absorberless vacuum circuit interrupterHITACHI LTD·Filed 1983·Granted Nov 5, 1985·9 cites·16 claims
- 3356US5814781APuffer type gas circuit breakerHITACHI LTD·Filed 1996·Granted Sep 29, 1998·15 cites·4 claims
- 3455US5039831ACircuit breakerHITACHI LTD·Filed 1989·Granted Aug 13, 1991·16 cites·6 claims
- 3552US6949726B2Heating apparatus having electrostatic adsorption functionSHINETSU CHEMICAL CO·Filed 2004·Granted Sep 27, 2005·3 cites·14 claims
- 3652US5038082AVacuum switch apparatusHITACHI LTD·Filed 1990·Granted Aug 6, 1991·10 cites·15 claims
- 3750US6838631B2Power use circuit breaker and electrical circuit arrangement for electric power generation plantHITACHI LTD·Filed 2003·Granted Jan 4, 2005·5 cites·4 claims
- 3848US5229561APuffer-type gas circuit breakerHITACHI LTD·Filed 1992·Granted Jul 20, 1993·9 cites·15 claims
- 3945US5079391APuffer type gas circuit breaker, contact cover and insulated nozzle of the breakerHITACHI LTD·Filed 1990·Granted Jan 7, 1992·8 cites·12 claims
- 4044US5012051AThree-phase common container-type circuit breakerHITACHI LTD·Filed 1989·Granted Apr 30, 1991·8 cites·5 claims
- 4142US5391930ACircuit breaker with parallel resistorHITACHI LTD·Filed 1992·Granted Feb 21, 1995·8 cites·8 claims
- 4241US5610381ACompression gas puffer type circuit breakerHITACHI LTD·Filed 1995·Granted Mar 11, 1997·8 cites·9 claims
- 4341US4427857AVacuum interrupterHITACHI LTD·Filed 1981·Granted Jan 24, 1984·4 cites·8 claims
- 4440US5410116AGas isolated disconnecting switch and gas isolated switching deviceHITACHI LTD·Filed 1992·Granted Apr 25, 1995·5 cites·10 claims
- 4537US5502290ASwitch mechanismHITACHI LTD·Filed 1995·Granted Mar 26, 1996·5 cites·12 claims
- 4636US5153518ASynthetic equivalent test circuit of circuit breakerHITACHI LTD·Filed 1990·Granted Oct 6, 1992·8 cites·5 claims
- 4735US5155312APuffer type gas circuit interrupterHITACHI LTD·Filed 1991·Granted Oct 13, 1992·4 cites·9 claims
- 4834US5189270AContact structure for vacuum circuit breakerHITACHI LTD·Filed 1991·Granted Feb 23, 1993·4 cites·6 claims
- 4931US5274205AGas blast, puffer type circuit breaker with improved nozzleHITACHI LTD·Filed 1993·Granted Dec 28, 1993·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →