Inventor
MATSUOKA TATSUO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “MATSUOKA TATSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
12 patentsUS7614481B2Nov 10, 2009
Elevator apparatus including a safety control portion that detects an abnormality
MITSUBISHI ELECTRIC CORP20 citations92
US7578373B2Aug 25, 2009
Elevator rope slip detector and elevator system
MITSUBISHI ELECTRIC CORP24 citations92
US7575100B2Aug 18, 2009
Elevator apparatus that detects an accurate running speed of an elevator car that operates over speed
MITSUBISHI ELECTRIC CORP17 citations92
US7575102B2Aug 18, 2009
Safety device of elevator and its operation testing method
MITSUBISHI ELECTRIC CORP29 citations92
US7540358B2Jun 2, 2009
Elevator apparatus including main and auxiliary sensors
MITSUBISHI ELECTRIC CORP24 citations92
US7721852B2May 25, 2010
Control device of elevator
MITSUBISHI ELECTRIC CORP31 citations91
US7614482B2Nov 10, 2009
Elevator rope slip detector and elevator system
MITSUBISHI ELECTRIC CORP15 citations83
US7448472B2Nov 11, 2008
Elevator apparatus that detects an accurate running speed of an elevator car that operates over speed
MITSUBISHI ELECTRIC CORP13 citations83
US7677362B2Mar 16, 2010
Actuator driving method and actuator driving circuit
MITSUBISHI ELECTRIC CORP7 citations73
US7497304B2Mar 3, 2009
Device for detecting failure in driving power supply for elevator, and method for detecting failure in driving power supply for elevator
MITSUBISHI ELECTRIC CORP7 citations73
US7766128B2Aug 3, 2010
Method for inspecting operation of actuator and actuator operation inspector
MITSUBISHI ELECTRIC CORP5 citations62
US7703578B2Apr 27, 2010
Elevator apparatus
MITSUBISHI ELECTRIC CORP6 citations62