Inventor
TACHIBANA KYOZO
9 patents
Patents
9 patentsUS4788482ANov 29, 1988
Position correcting control system for servomechanism device
HITACHI LTD25 citations92
US4020411AApr 26, 1977
Static power converter controlling apparatus for reducing noise generated by phase shift control
HITACHI LTD21 citations78
US4306283ADec 15, 1981
Power factor improving apparatus for power converter
HITACHI LTD16 citations72
US4045722AAug 30, 1977
Power converter system
HITACHI LTD9 citations72
US4021721AMay 3, 1977
AC-to-DC converter
HITACHI LTD12 citations72
US4144559AMar 13, 1979
Power converter control system
HITACHI LTD12 citations71
US4122515AOct 24, 1978
High harmonic current reducing apparatus in power converter
HITACHI LTD13 citations71
US4245291AJan 13, 1981
Electric power converter apparatus for an a.c. electric rolling stock
HITACHI LTD6 citations62
US4136305AJan 23, 1979
Power converter control apparatus
HITACHI LTD3 citations59