Inventor
TSUTADA HIROYUKI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “TSUTADA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
5 patentsUS7095139B2Aug 22, 2006
Transformer inrush current elimination system
MITSUBISHI ELECTRIC CORP33 citations92
US6433980B1Aug 13, 2002
Controlled switching device
MITSUBISHI ELECTRIC CORP24 citations91
US7902696B2Mar 8, 2011
Controlled switching device
MITSUBISHI ELECTRIC CORP5 citations62
US10620131B2Apr 14, 2020
Detection apparatus and detection method
MITSUBISHI ELECTRIC CORP1 citations59
US10926973B2Feb 23, 2021
Elevator shaft dimensions measurement device and elevator shaft dimensions measurement method
MITSUBISHI ELECTRIC CORP0 citations48
TSUTADA HIROYUKI
2 patentsUS8779634B2Jul 15, 2014
Transformer inrush current suppression apparatus with function of determining target closing phase of three-phase transformer based on pre-arc characteristic and variation in closing time of the three-phase circuit breaker
TSUTADA HIROYUKI4 citations68
US8093885B2Jan 10, 2012
Residual magnetic flux determining apparatus
TSUTADA HIROYUKI0 citations37