Inventor · disambiguated record
Youichi Ohshita
Also filed as: OHSHITA YOUICHI
19 granted patents·5 pending applications·557 citations·filing 1981–2005
96Inventor score
Top patents by PatentIndex Score
24 records- 0196US4716491AHigh frequency plasma generation apparatusHITACHI LTD·Filed 1985·Granted Dec 29, 1987·110 cites·6 claims
- 0292US5107447AAbnormality diagnosing system and method for a high voltage power apparatusHITACHI LTD·Filed 1989·Granted Apr 21, 1992·88 cites·24 claims
- 0390US5214595AAbnormality diagnosing system and method for a high voltage power apparatusHITACHI LTD·Filed 1991·Granted May 25, 1993·91 cites·5 claims
- 0487US4865709AMagnetron sputter apparatus and method for forming films by using the same apparatusHITACHI LTD·Filed 1988·Granted Sep 12, 1989·38 cites·17 claims
- 0582US5543597AGrounding switch gear deviceHITACHI LTD·Filed 1994·Granted Aug 6, 1996·41 cites·16 claims
- 0679US7339132B2Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and pistonJAPAN AE POWER SYSTEMS CORP·Filed 2005·Granted Mar 4, 2008·10 cites·22 claims
- 0776US4673482ASputtering apparatusHITACHI LTD·Filed 1986·Granted Jun 16, 1987·33 cites·7 claims
- 0872US6333715B1Partial discharge detector of gas-insulated apparatusHITACHI LTD·Filed 1997·Granted Dec 25, 2001·33 cites·11 claims
- 0971US5850065AGas circuit breakerHITACHI LTD·Filed 1997·Granted Dec 15, 1998·24 cites·12 claims
- 1067US5473494AElectrical power supply systemHITACHI LTD·Filed 1992·Granted Dec 5, 1995·26 cites·19 claims
- 1164US4864286ASwitch operation monitoring apparatusHITACHI LTD·Filed 1988·Granted Sep 5, 1989·13 cites·7 claims
- 1247US5777842ATransformer station and breaker apparatusHITACHI LTD·Filed 1996·Granted Jul 7, 1998·11 cites·15 claims
- 1344US4423298AGas circuit breaker of resistance breaking typeHITACHI LTD·Filed 1981·Granted Dec 27, 1983·5 cites·13 claims
- 1442US5391930ACircuit breaker with parallel resistorHITACHI LTD·Filed 1992·Granted Feb 21, 1995·8 cites·8 claims
- 1541US2004199478A1Energy and power interchange system and its methodHITACHI LTD·Filed 2004·Application pending·0 cites
- 1639US6005213AInsulated type switchgear deviceHITACHI LTD·Filed 1998·Granted Dec 21, 1999·7 cites·28 claims
- 1739US5952636AVacuum type switch gear device having L shaped stationary and movable conductors arrangementHITACHI LTD·Filed 1998·Granted Sep 14, 1999·7 cites·8 claims
- 1839US2002128749A1Energy and power interchange system and its methodHITACHI LTD·Filed 2001·Application pending·0 cites
- 1939US2001005802A1Energy and power interchange system and its methodFiled 2000·Application pending·0 cites
- 2037US5502290ASwitch mechanismHITACHI LTD·Filed 1995·Granted Mar 26, 1996·5 cites·12 claims
- 2135US5155312APuffer type gas circuit interrupterHITACHI LTD·Filed 1991·Granted Oct 13, 1992·4 cites·9 claims
- 2235US2002024467A1Partial discharge detector for gas insulated apparatusHITACHI LTD·Filed 2001·Application pending·0 cites
- 2333US5837955AGas circuit breakerHITACHI LTD·Filed 1997·Granted Nov 17, 1998·3 cites·8 claims
- 2429US2002060497A1Energy and power interchange system and its methodFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →