Inventor
AKATSU TOSHIO
JP11 patents
Patents
11 patentsUS5675415AOct 7, 1997
Physical quantity measurement apparatus and instrument therefor
HITACHI LTD21 citations92
US4724301AFeb 9, 1988
Apparatus utilizing light stripe image for detecting portion to be welded prior to welding thereof
HITACHI LTD31 citations92
US4667997AMay 26, 1987
Grip device
HITACHI LTD43 citations91
US4984891AJan 15, 1991
Laser gauge interferometer and locating method using the same
HITACHI LTD31 citations88
US4667082AMay 19, 1987
Welding position detecting apparatus
HITACHI LTD21 citations82
US5929989AJul 27, 1999
Optical pressure detection method and apparatus
HITACHI LTD15 citations73
US4708481ANov 24, 1987
Method of and apparatus for optically measuring displacement
HITACHI LTD13 citations73
US4632556ADec 30, 1986
Method and apparatus for optically measuring clearance change
HITACHI LTD7 citations73
US5392173AFeb 21, 1995
Method and apparatus for controlling a small spacing between a magnetic head and a magnetic recording medium
HITACHI LTD16 citations72
US4728194AMar 1, 1988
Method of and apparatus for optically measuring displacement
HITACHI LTD7 citations68
US4248095AFeb 3, 1981
Method of and system for measuring physical quantities of a rotating body at many points thereof
HITACHI LTD8 citations68