Inventor

SAKAMOTO KEIJI

JP103 patents

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

SAKAMOTO KEIJI

FANUC LTD

Multiple-articulated robot control apparatus

Servomotor control apparatus

Robot control apparatus for controlling a manipulator through a robot arm having a plurality of axes

Speed control system

Motor control apparatus

Servo controller

Injection drive apparatus

Servomotor velocity control method

Position control device

Servomotor velocity control apparatus

Servomotor velocity control system

Synchronous motor drive apparatus

A.C. Motor drive apparatus

Backlash acceleration control method

Servomotor control method

Servo motor controlling method

Servomotor control apparatus

Servo-control circuit

Robot control apparatus

Method for absolute position detection and an apparatus therefore

Numerical control apparatus

Position control system

Injection control apparatus for injection molding machine

Velocity control apparatus

Injection molding machine dwell control system

Control method and apparatus for synchronous motor

Method and apparatus for controlling permanent magnet synchronous motor by using pulse width modulation

Synchronous motor control system

Synchronous motor control system

NICHIA CORP

Nitride semiconductor device comprising bonded substrate and fabrication method of the same

Nitride semiconductor device comprising bonded substrate and fabrication method of the same

Light emitting apparatus and method of manufacturing the same

Light emitting apparatus and method of manufacturing the same

Nitride semiconductor laser device and method of manufacturing the nitride semiconductor laser device

Nitride semiconductor device comprising bonded substrate and fabrication method of the same

Method for manufacturing nitride semiconductor laser element, and nitride semiconductor laser element

PANASONIC CORP

Image blur correcting device and camera

Lens barrel supporting frame, lens retaining structure, lens barrel and camera

Lens barrel supporting frame, lens retaining structure, lens barrel and camera

Lens barrel, image pickup device, and lens barrel manufacturing method

Imaging device and camera

Image blur correction device and camera

Lens barrel, image pickup device, lens barrel inspecting method, and lens barrel manufacturing method

FUJI YAKUHIN KOGYO KK

D-pantolactone hydrolase and process for the preparation thereof

Process for the preparation of D-pantolactone

FUJITSU FANUC LTD

Protective system for inverter circuit used in driving AC motors

NAGAOKA EIICHI

Lens barrel, image pickup device, and lens barrel manufacturing method

KAO CORP

Foam-type hair dye and foam-type hair dye discharge container

MATSUSHITA ELECTRIC WORKS LTD

Angled illumination tube

RENESAS ELECTRONICS CORP

Optical semiconductor device