Inventor
TANAKA MASAKATSU
JP14 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA MASAKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
9 patentsUS5323878AJun 28, 1994
Braking apparatus for elevator cage
HITACHI LTD80 citations96
US5244060ASep 14, 1993
Elevator apparatus
HITACHI LTD74 citations95
US5265701ANov 30, 1993
Elevator with means for controlling upward and downward movement of cage
HITACHI LTD47 citations92
US5154261AOct 13, 1992
Electromagnetic disc brake for elevator lifting apparatus
HITACHI LTD60 citations92
US4982815AJan 8, 1991
Elevator apparatus
HITACHI LTD29 citations92
US5025896AJun 25, 1991
Elevator control apparatus
HITACHI LTD35 citations91
US5458216AOct 17, 1995
Elevator apparatus
HITACHI LTD28 citations90
US5067593ANov 26, 1991
Braking device for elevator winding machine and elevator using the braking device
HITACHI LTD24 citations90
US4846309AJul 11, 1989
Elevator hoisting apparatus
HITACHI LTD11 citations68
NIPPON AIR BRAKE CO
2 patentsTANAKA MASAKATSU DESIGN OFFICE
2 patentsUS5685114ANov 11, 1997
Structural member, floor structure, and roof structure for wooden building and a method of building with the same
TANAKA MASAKATSU DESIGN OFFICE15 citations71
US5718093AFeb 17, 1998
Floor panel joint structure and method of making a wooden building with the same
TANAKA MASAKATSU DESIGN OFFICE3 citations60