Inventor · disambiguated record
Toshiaki Rokunohe
Also filed as: ROKUNOHE TOSHIAKI
20 granted patents·10 pending applications·201 citations·filing 1995–2022
94Inventor score
Top patents by PatentIndex Score
30 records- 0185US6680453B2Gas insulated switchgearHITACHI LTD·Filed 2001·Granted Jan 20, 2004·26 cites·16 claims
- 0283US9898830B2Oil leakage detector and oil leakage detection methodHITACHI LTD·Filed 2016·Granted Feb 20, 2018·4 cites·19 claims
- 0377US10755442B2Oil leakage detector and oil leakage detection method and image processing unitHITACHI LTD·Filed 2018·Granted Aug 25, 2020·2 cites·20 claims
- 0477US6759616B2Gas insulated switchgearHITACHI LTD·Filed 2003·Granted Jul 6, 2004·22 cites·3 claims
- 0575US9520699B2SwitchgearHITACHI LTD·Filed 2013·Granted Dec 13, 2016·3 cites·8 claims
- 0675US7193172B2Gas-insulated switchgear tankJAPAN AE POWER SYSTEMS CORP·Filed 2004·Granted Mar 20, 2007·22 cites·15 claims
- 0774US6661235B2Method and device for detecting a partial discharge in an electrical deviceHITACHI LTD·Filed 2001·Granted Dec 9, 2003·21 cites·26 claims
- 0874US5982181AInsulated device diagnosing system for diagnosing device based upon partial discharge signal data analyzed by frequencyHITACHI LTD·Filed 1997·Granted Nov 9, 1999·29 cites·10 claims
- 0972US10615590B2Switch operating characteristic monitoring device, switch equipped with same, and switch operating characteristic monitoring methodHITACHI LTD·Filed 2017·Granted Apr 7, 2020·1 cites·15 claims
- 1071US7256584B2Method and system for measuring partial dischargeJAPAN AE POWER SYSTEMS CORP·Filed 2005·Granted Aug 14, 2007·5 cites·10 claims
- 1171US6218627B1BushingHITACHI LTD·Filed 1999·Granted Apr 17, 2001·31 cites·13 claims
- 1269US9899172B2Circuit breaker and circuit breaker operating methodHITACHI LTD·Filed 2013·Granted Feb 20, 2018·2 cites·11 claims
- 1367US6424162B1Insulated device diagnosing system that prepares detection data from partial discharge signal such that periodic elements are given to different specific frequencies of the partial discharge signalHITACHI LTD·Filed 1999·Granted Jul 23, 2002·22 cites·5 claims
- 1465US10190935B2Gas leak detection device and gas leak detection methodHITACHI LTD·Filed 2016·Granted Jan 29, 2019·2 cites·6 claims
- 1562US10113933B2Leakage oil detector system and methodHITACHI LTD·Filed 2015·Granted Oct 30, 2018·1 cites·9 claims
- 1656US10509021B2Diagnosing device for on-load tap changing apparatus, diagnosing method for on-load tap changing apparatus, and diagnosing device for transformerHITACHI LTD·Filed 2018·Granted Dec 17, 2019·0 cites·18 claims
- 1751US2024280635A1Acoustic circuit breaker diagnosis device and methodHITACHI LTD·Filed 2022·Application pending·0 cites
- 1848US11494888B2Work terminal, oil leakage detection apparatus, and oil leakage detection methodHITACHI LTD·Filed 2018·Granted Nov 8, 2022·0 cites·14 claims
- 1948US8804298B2Gas insulated bus and particle removal method for gas insulated busKATO TATSURO·Filed 2012·Granted Aug 12, 2014·1 cites·3 claims
- 2047US11249137B2Diagnostic method of switchgear and device thereofHITACHI LTD·Filed 2020·Granted Feb 15, 2022·0 cites·7 claims
- 2144US2006186091A1Gas-insulated switchgear tankJAPAN AE POWER SYSTEMS CORP·Filed 2006·Application pending·0 cites
- 2244US2016049268A1SwitchgearHITACHI LTD·Filed 2014·Application pending·0 cites
- 2343US2011079411A1Insulating spacer for gas-insulated electrical equipmentJAPAN AE POWER SYSTEMS CORP·Filed 2009·Application pending·0 cites
- 2442US2014360984A1Gas insulated switchgearHITACHI LTD·Filed 2014·Application pending·0 cites
- 2542US2015054524A1Partial Discharge Measurement Device and MethodHITACHI LTD·Filed 2014·Application pending·0 cites
- 2642US2015091677A1Gas Circuit BreakerHITACHI LTD·Filed 2013·Application pending·0 cites
- 2742US2006164100A1Method and system for measuring partial dischargeJAPAN AE POWER SYSTEMS CORP·Filed 2006·Application pending·0 cites
- 2840US2005184737A1Method and system for measuring partial dischargeFiled 2005·Application pending·0 cites
- 2937US2002163344A1Insulated device diagnosing system and partial discharge detecting methodHITACHI LTD·Filed 2002·Application pending·0 cites
- 3034US5689088AGas insulated device, gas insulated switchgear, gas insulated bus line, and cable direct-coupled gas insulated switchgearHITACHI LTD·Filed 1995·Granted Nov 18, 1997·7 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →