Rokunohe; Toshiaki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Rokunohe; Toshiaki.The latest application filed is for "work terminal, oil leakage detection apparatus, and oil leakage detection method".

Company Profile

4.17.25

Rokunohe; Toshiaki - Tokyo JP
Rokunohe; Toshiaki - Hitachi N/A JP
Rokunohe; Toshiaki - Hitachi-shi JP
Rokunohe; Toshiaki - Hitachinaka JP
Rokunohe, Toshiaki - Hitachinaka-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Diagnostic method of switchgear and device thereof Grant 11,249,137 - Tatemi , et al. February 15, 2	2022-02-15
Work Terminal, Oil Leakage Detection Apparatus, and Oil Leakage Detection Method App 20210192710 - LU; Li ; et al.	2021-06-24
Diagnostic Method of Switchgear and Device Thereof App 20200363473 - TATEMI; Masaru ; et al.	2020-11-19
Oil leakage detector and oil leakage detection method and image processing unit Grant 10,755,442 - Lu , et al. A	2020-08-25
Switch operating characteristic monitoring device, switch equipped with same, and switch operating characteristic monitoring method Grant 10,615,590 - Tatemi , et al.	2020-04-07
Diagnosing device for on-load tap changing apparatus, diagnosing method for on-load tap changing apparatus, and diagnosing device for transformer Grant 10,509,021 - Lu , et al. Dec	2019-12-17
Diagnosing Device for On-Load Tap Changing Apparatus, Diagnosing Method for On-Load Tap Changing Apparatus, and Diagnosing Device for Transformer App 20190101521 - LU; Li ; et al.	2019-04-04
Gas leak detection device and gas leak detection method Grant 10,190,935 - Inami , et al. Ja	2019-01-29
Leakage oil detector system and method Grant 10,113,933 - Lu , et al. October 30, 2	2018-10-30
Oil Leakage Detector and Oil Leakage Detection Method and Image Processing Unit App 20180137652 - LU; Li ; et al.	2018-05-17
Switch Operating Characteristic Monitoring Device, Switch Equipped With Same, and Switch Operating Characteristic Monitoring Method App 20180062382 - TATEMI; Masaru ; et al.	2018-03-01
Circuit breaker and circuit breaker operating method Grant 9,899,172 - Urai , et al. February 20, 2	2018-02-20
Oil leakage detector and oil leakage detection method Grant 9,898,830 - Lu , et al. February 20, 2	2018-02-20
Leakage Oil Detector System And Method App 20170234762 - LU; Li ; et al.	2017-08-17
Gas Leak Detection Device and Gas Leak Detection Method App 20170030799 - INAMI; Hisao ; et al.	2017-02-02
Switchgear Grant 9,520,699 - Urai , et al. December 13, 2	2016-12-13
Oil Leakage Detector and Oil Leakage Detection Method App 20160275699 - LU; Li ; et al.	2016-09-22
Switchgear App 20160049268 - ROKUNOHE; Toshiaki ; et al.	2016-02-18
Switchgear App 20150131207 - Urai; Hajime ; et al.	2015-05-14
Gas Circuit Breaker App 20150091677 - Urai; Hajime ; et al.	2015-04-02
Partial Discharge Measurement Device and Method App 20150054524 - KOBAYASHI; Chie ; et al.	2015-02-26
Circuit Breaker and Circuit Breaker Operating Method App 20150043121 - Urai; Hajime ; et al.	2015-02-12
Gas Insulated Switchgear App 20140360984 - MORIYAMA; Tomohiro ; et al.	2014-12-11
Gas insulated bus and particle removal method for gas insulated bus Grant 8,804,298 - Kato , et al. August 12, 2	2014-08-12
Gas Insulated Bus and Particle Removal Method for Gas Insulated Bus App 20120281332 - KATO; Tatsuro ; et al.	2012-11-08
Insulating Spacer For Gas-insulated Electrical Equipment App 20110079411 - Shinohara; Ryoichi ; et al.	2011-04-07
Method and system for measuring partial discharge Grant 7,256,584 - Moriyama , et al. August 14, 2	2007-08-14
Gas-insulated switchgear tank Grant 7,193,172 - Rokunohe , et al. March 20, 2	2007-03-20
Gas-insulated switchgear tank App 20060186091 - Rokunohe; Toshiaki ; et al.	2006-08-24
Method and system for measuring partial discharge App 20060164100 - Moriyama; Tomohiro ; et al.	2006-07-27
Method and system for measuring partial discharge App 20060071667 - Moriyama; Tomohiro ; et al.	2006-04-06
Method and system for measuring partial discharge App 20050184737 - Moriyama, Tomohiro ; et al.	2005-08-25
Gas-insulated switchgear tank App 20050056617 - Rokunohe, Toshiaki ; et al.	2005-03-17
Gas insulated switchgear Grant 6,759,616 - Rokunohe , et al. July 6, 2	2004-07-06
Gas Insulated Switchgear App 20040079731 - Rokunohe, Toshiaki ; et al.	2004-04-29
Gas insulated switchgear Grant 6,680,453 - Rokunohe , et al. January 20, 2	2004-01-20
Method and device for detecting a partial discharge in an electrical device Grant 6,661,235 - Rokunohe , et al. December 9, 2	2003-12-09
Insulated device diagnosing system and partial discharge detecting method App 20020163344 - Rokunohe, Toshiaki ; et al.	2002-11-07
Gas insulated switchgear App 20020104827 - Rokunohe, Toshiaki ; et al.	2002-08-08
Method and device for detecting a partial discharge in an electrical device App 20020024341 - Rokunohe, Toshiaki ; et al.	2002-02-28
Bushing Grant 6,218,627 - Shindo , et al. April 17, 2	2001-04-17

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