Inventor
YANAI TAKAO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “YANAI TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
4 patentsUS7294988B2Nov 13, 2007
Synchronous motor drive unit and a driving method thereof
HITACHI LTD88 citations97
US7271557B2Sep 18, 2007
AC motor driving apparatus and method of controlling the same
HITACHI LTD33 citations92
US4642760AFeb 10, 1987
Status-change data gathering apparatus
HITACHI LTD29 citations91
US4742484AMay 3, 1988
Data transmission apparatus having two unidirectional transmission connection lines transmitting data from slave stations located downstream to a master station at high speed
HITACHI LTD16 citations72