Inventor
OKUBO KENICHI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “OKUBO KENICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS6831244B2Dec 14, 2004
Gas-insulated switch
HITACHI LTD11 citations72
US6717088B2Apr 6, 2004
Gas-insulated switch
HITACHI LTD5 citations72
US9425589B2Aug 23, 2016
Gas-insulated switchgear
HITACHI LTD3 citations71
US6762387B2Jul 13, 2004
Gas-insulated switch
HITACHI LTD2 citations61
US9640349B2May 2, 2017
Gas circuit breaker
HITACHI LTD1 citations51
US9953778B2Apr 24, 2018
Gas circuit breaker and breaker for gas insulated switching device
HITACHI LTD0 citations47
US9324510B2Apr 26, 2016
Gas circuit breaker
HITACHI LTD0 citations41
JAPAN AE POWER SYSTEMS CORP
3 patentsNISSHIN STEEL CO LTD
3 patentsUS10233645B2Mar 19, 2019
Metal roofing member, and roofing structure and roofing method using same
NISSHIN STEEL CO LTD6 citations71
US10597874B2Mar 24, 2020
Metal roofing material, and roofing structure and roofing method using same
NISSHIN STEEL CO LTD3 citations69
US10724242B2Jul 28, 2020
Metal roofing material and roofing method
NISSHIN STEEL CO LTD0 citations38