Inventor
SUNADA MASAYOSHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “SUNADA MASAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS4385296AMay 24, 1983
Remote-controlled automatic control apparatus
HITACHI LTD113 citations95
US4006790AFeb 8, 1977
Electromagnetic guidance system
HITACHI LTD30 citations81
US4080914AMar 28, 1978
Sewing machine with improved non-ravel seaming controller
HITACHI LTD22 citations80
US4331184AMay 25, 1982
Developer quality monitoring device
HITACHI LTD10 citations73
US4040508AAug 9, 1977
Control circuit for controlling the shaft speed of a motor having clutch and brake devices
HITACHI LTD18 citations70
US4992893AFeb 12, 1991
Alignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatus
HITACHI LTD8 citations68
US4622603ANov 11, 1986
Head positioning system for magnetic recording/playback apparatus
HITACHI LTD12 citations68
US3977792AAug 31, 1976
System for detecting reflecting objects
HITACHI LTD10 citations68