Inventor
TANAKA TOYOKAZU
JP8 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TOYOKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
7 patentsUS6759616B2Jul 6, 2004
Gas insulated switchgear
HITACHI LTD22 citations92
US6680453B2Jan 20, 2004
Gas insulated switchgear
HITACHI LTD26 citations92
US6469270B1Oct 22, 2002
Gas insulated switchgear
HITACHI LTD9 citations71
US5210679AMay 11, 1993
Customer's power receiving and transforming system
HITACHI LTD9 citations71
US5450281ASep 12, 1995
Receiving and transforming apparatus
HITACHI LTD15 citations68
US5625530AApr 29, 1997
Gas insulated switchgear equipment including a bypass bus and bypass disconnecting switch
HITACHI LTD11 citations67
US5548476AAug 20, 1996
Receiving and transforming apparatus
HITACHI LTD0 citations47