Inventor
FUJIOKA YOSHIKI
JP49 patents
⚠️ This page may combine multiple inventors who share the name “FUJIOKA YOSHIKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FANUC LTD
24 patentsUS4651266AMar 17, 1987
High-frequency noise absorbing circuit
FANUC LTD58 citations95
US4908734AMar 13, 1990
Housing for motor control unit
FANUC LTD25 citations93
US4928052AMay 22, 1990
Power supply regenerating circuit
FANUC LTD28 citations92
US4757248AJul 12, 1988
Induction motor torque control system
FANUC LTD31 citations92
US4641069AFeb 3, 1987
Plural motor changeover control system
FANUC LTD39 citations92
US4581569AApr 8, 1986
AC motor control apparatus
FANUC LTD27 citations92
US4800327AJan 24, 1989
Three-phase induction motor control method
FANUC LTD22 citations81
US4672287AJun 9, 1987
Induction motor digital control system
FANUC LTD20 citations81
US5379316AJan 3, 1995
Laser discharge tube
FANUC LTD8 citations74
US4677540AJun 30, 1987
AC motor control panel
FANUC LTD14 citations74
US4614020ASep 30, 1986
Mechanism and method for automatically changing tools
FANUC LTD10 citations74
US4558269ADec 10, 1985
Induction motor drive apparatus
FANUC LTD8 citations74
US4501999AFeb 26, 1985
System for stopping spindle at commanded position
FANUC LTD14 citations74
US5012173AApr 30, 1991
Casing structure for an amplifier unit for an AC spindle
FANUC LTD15 citations73
US4837491AJun 6, 1989
Motor velocity control apparatus
FANUC LTD11 citations73
US4588937AMay 13, 1986
Position control apparatus
FANUC LTD11 citations73
US4499414AFeb 12, 1985
AC Motor control method
FANUC LTD13 citations73
US5049800ASep 17, 1991
Motor output changeover control apparatus
FANUC LTD16 citations72
US4703262AOct 27, 1987
Mounting structure for spindle orientation magnetic sensor system
FANUC LTD11 citations66
US5440580AAug 8, 1995
Laser discharge tube and electrode manufacturing method
FANUC LTD2 citations63
US5153491AOct 6, 1992
Main spindle control method
FANUC LTD6 citations63
US4945190AJul 31, 1990
Circuit board device for magnetics circuit and method of manufacturing same
FANUC LTD2 citations63
US4560927ADec 24, 1985
Speed detecting apparatus
FANUC LTD6 citations63
US4626762ADec 2, 1986
AC motor control system
FANUC LTD2 citations62
FUJITSU FANUC LTD
22 patentsUS4386305AMay 31, 1983
Drive control system for motors
FUJITSU FANUC LTD38 citations92
US4364005ADec 14, 1982
Brushless tachometer generator
FUJITSU FANUC LTD39 citations92
US4398138AAug 9, 1983
Spindle orientation control method and apparatus
FUJITSU FANUC LTD20 citations82
US4359676ANov 16, 1982
Control system for stopping spindle at predetermined rotational position
FUJITSU FANUC LTD24 citations82
US4353018AOct 5, 1982
Control system for synchronized operation of machine tool motors
FUJITSU FANUC LTD21 citations82
US4345192AAug 17, 1982
Control system for stopping spindle at predetermined rotational position
FUJITSU FANUC LTD27 citations82
US4330832AMay 18, 1982
Cutter feed rate control system
FUJITSU FANUC LTD25 citations82
US4450393AMay 22, 1984
Spindle orientation control apparatus
FUJITSU FANUC LTD12 citations74
US4403179ASep 6, 1983
Control system for stopping spindle at predetermined rotational position
FUJITSU FANUC LTD15 citations74
US4379987AApr 12, 1983
Spindle rotation control system
FUJITSU FANUC LTD15 citations74
US4374350AFeb 15, 1983
Control system for stopping spindle at predetermined rotational position
FUJITSU FANUC LTD12 citations74
US4347471AAug 31, 1982
Machine tool drive motor control system
FUJITSU FANUC LTD8 citations74
US4347470AAug 31, 1982
Spindle orientation control apparatus
FUJITSU FANUC LTD16 citations74
US4342950AAug 3, 1982
Spindle rotation control system
FUJITSU FANUC LTD8 citations74
US4284932AAug 18, 1981
System for driving DC motor
FUJITSU FANUC LTD16 citations74
US4207504AJun 10, 1980
Spindle control system
FUJITSU FANUC LTD14 citations74
US4268782AMay 19, 1981
Control system for a DC motor
FUJITSU FANUC LTD14 citations73
US4362976ADec 7, 1982
Driving circuit for DC motor
FUJITSU FANUC LTD12 citations72
US4268781AMay 19, 1981
DC Motor drive system
FUJITSU FANUC LTD19 citations71
US4300079ANov 10, 1981
DC Motor control system
FUJITSU FANUC LTD18 citations70
US4403181ASep 6, 1983
Control system for stopping spindle at predetermined rotational position
FUJITSU FANUC LTD3 citations63
US4284939AAug 18, 1981
Device for detecting opposite phase and open phase
FUJITSU FANUC LTD5 citations62
HITACHI LTD
3 patentsUS4434464AFeb 28, 1984
Memory protection system for effecting alteration of protection information without intervention of control program
HITACHI LTD232 citations97
US4812975AMar 14, 1989
Emulation method
HITACHI LTD89 citations94
US4975839ADec 4, 1990
Instruction decode method and arrangement suitable for a decoder of microprocessors
HITACHI LTD11 citations74