Inventor
TOKASHIKI MUTSUO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “TOKASHIKI MUTSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS6169670B1Jan 2, 2001
Inverter apparatus operatable over extended frequency range while suppressing output error
HITACHI LTD28 citations87
US6426885B1Jul 30, 2002
Inverter device and motor driving device provided with inrush current prevention circuit
HITACHI LTD15 citations79
US4808933AFeb 28, 1989
Rotating speed measuring apparatus having a corrector for low and high speeds using angle and frequency transducers
HITACHI LTD8 citations73
US6166935ADec 26, 2000
Inverter apparatus with off signal of at least minimum time duration
HITACHI LTD8 citations69
US6400539B1Jun 4, 2002
Inverter device and motor driving device provided with inrush prevention circuit
HITACHI LTD6 citations58