Inventor
SAKAI MASAYA
JP7 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI MASAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
6 patentsUS7931128B2Apr 26, 2011
Elevator device
MITSUBISHI ELECTRIC CORP15 citations82
US7588125B2Sep 15, 2009
Elevator control device
MITSUBISHI ELECTRIC CORP8 citations82
US7823705B2Nov 2, 2010
Elevator apparatus control by measuring changes in a physical quantity other than temperature
MITSUBISHI ELECTRIC CORP3 citations61
US7748502B2Jul 6, 2010
Elevator apparatus
MITSUBISHI ELECTRIC CORP6 citations61
US7837012B2Nov 23, 2010
Control device for elevator
MITSUBISHI ELECTRIC CORP0 citations50
US9800196B2Oct 24, 2017
Control apparatus for AC rotary machine
MITSUBISHI ELECTRIC CORP0 citations40