Inventor
OHTA KAZUTOSHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “OHTA KAZUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
12 patentsUS4570753AFeb 18, 1986
Elevator hoisting device
MITSUBISHI ELECTRIC CORP47 citations92
US4465161AAug 14, 1984
Elevator winding device
MITSUBISHI ELECTRIC CORP31 citations91
US4515248AMay 7, 1985
Buffer device for elevator
MITSUBISHI ELECTRIC CORP19 citations82
US4434873AMar 6, 1984
Electric elevator car driving device
MITSUBISHI ELECTRIC CORP24 citations82
US4219995ASep 2, 1980
Wire rope
MITSUBISHI ELECTRIC CORP22 citations82
US4079816AMar 21, 1978
Damper device for elevator rope
MITSUBISHI ELECTRIC CORP25 citations82
US4666743AMay 19, 1987
Method for manufacturing a decorative sheet
MITSUBISHI ELECTRIC CORP23 citations78
US4460066AJul 17, 1984
Crime prevention apparatus for elevators
MITSUBISHI ELECTRIC CORP15 citations73
US4226078AOct 7, 1980
Wire rope
MITSUBISHI ELECTRIC CORP17 citations73
US4433023AFeb 21, 1984
Panel for elevator
MITSUBISHI ELECTRIC CORP14 citations72
US4653611AMar 31, 1987
Elevator control apparatus
MITSUBISHI ELECTRIC CORP4 citations60
US4172509AOct 30, 1979
Traction machine of elevator
MITSUBISHI ELECTRIC CORP5 citations60
FUJITSU LTD
6 patentsUS7424145B2Sep 9, 2008
Device and method for inspecting photomasks and products fabricated using the same
FUJITSU LTD39 citations90
US4734745AMar 29, 1988
Method for projecting and exposing a photomask pattern onto re-exposing substrates and its apparatus
FUJITSU LTD8 citations73
US6708323B2Mar 16, 2004
Method and apparatus for verifying mask pattern data according to given rules
FUJITSU LTD8 citations71
US6745484B2Jun 8, 2004
Reticle, and pattern positional accuracy measurement device and method
FUJITSU LTD6 citations60
US6461777B1Oct 8, 2002
Layout designing method of a display device
FUJITSU LTD0 citations52
US6361908B1Mar 26, 2002
Layout designing method of a display device
FUJITSU LTD1 citations52