Inventor

TAJIMA HIROKAZU

JP25 patents

⚠️ This page may combine multiple inventors who share the name “TAJIMA HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TAJIMA HIROKAZU

FUJI ELECTRIC CO LTD

Speed sensorless vector control apparatus

Apparatus for calculating torque generated by induction motor

Variable speed controlling device for induction motor

Variable speed control apparatus for induction motor

Variable speed controller for an induction motor

Speed control apparatus for induction motor

Method and apparatus for controlling an AC motor and detecting malfunctions

Variable-speed control method and apparatus for AC motor

Variable speed controller for an AC motor

Control apparatus for AC motor

Charger

Drive control apparatus

Variable-speed controlling device for use with an induction motor

Controller for AC electric motor

Controller for induction motor

Charger with inverter and inverter gate drive circuit

HOYA CORP

Polishing pad, method of manufacturing glass substrate for use in data recording medium using the pad, and glass substrate for use in data recording medium obtained by using the method

Glass substrate for data recording medium, manufacturing method thereof and polishing pad used in the method

Method of manufacturing glass substrate for data recording medium

Polishing pad, method of manufacturing glass substrate for use in data recording medium using the pad, and glass substrate for use in data recording medium obtained by using the method

FUJI ELECTRIC SYSTEMS CO LTD

Speed control device for electric motor

HINTON CARLOS

Optically clear UV and hydrolysis resistant polyester film

TAJIMA HIROKAZU

Machine control device

FUJI ELEC FA COMPONENTS & SYS

Method for controlling AC motor

ASMO CO LTD

Motor