Okuma Corporation

Japan


 
Total IP 253
Total IP incl. subs 272 (+ 19 for subs)
Total IP Rank # 5,132
IP Activity Score 3/5.0    146
IP Activity Rank # 4,715
IP AS incl. subs 2.7/5.0    163
Stock Symbol 61030 (tse)
ISIN JP3172100004
Market Cap. 160505757270.0  (JPY)
Industry Specialty Industrial Machinery
Sector Industrials
Dominant Nice Class Scientific and electric apparatu...

Patents

Trademarks

245 1
0 2
5 0
0
 
Last Patent 2025 - Cutting coefficient identificati...
First Patent 1991 - Decision apparatus for machining...
Last Trademark 1982 - OSP
First Trademark 1980 - OSP

Subsidiaries

1 subsidiaries with IP (0 patents, 19 trademarks)

1 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 Invention Cutting coefficient identification system in machine tool and cutting coefficient identification ...
Invention Encoder speed monitoring device. A rotation speed monitoring device includes a second MCU that o...
Invention Placement identifying apparatus. A placement identifying apparatus includes: a camera that captu...
Invention Vibration characteristic estimation system in machine tool, machine tool, and vibration character...
Invention Pwm control apparatus. A PWM control apparatus includes a normalization counter. The normalizati...
Invention Cycle time calculation apparatus. A cycle time calculation apparatus includes: a plurality of re...
Invention Diagnostic device. A diagnostic device includes an error transition recording unit, an error tra...
Invention Tool management system and tool management device. A tool management system includes a tool mana...
Invention Method and device for estimating cause of bearing failure. A method for estimating a cause of a ...
Invention Tap machining method and tap machining apparatus. A tap machining method includes: forming a fem...
Invention Joined body and manufacturing method thereof. Provided is a bonded body of copper alloy and stee...
Invention Servo system. A servo unit includes a main controller, inverter units configured to control diff...
Invention Cutting fluid circulation device. A cutting fluid circulation device includes a first tank reser...
Invention Controller. A controller for a machine tool that moves a feed shaft moving a cutting tool and a ...
Invention Thermal displacement estimating method for machine tool and machine tool. A thermal displacement...
2023 Invention Dark test method and abnormality diagnosis apparatus. A dark test method for diagnosing presence...
Invention Control device for three-phase alternating current motor. A control device, which is configured ...
Invention Hydraulic system. A hydraulic system includes: a first hydraulic cylinder including a first volu...
Invention Cylindrical grinder. Provided is a cylindrical grinder that is capable of automatically moving a...
Invention Cell controller. A cell controller controls a machining cell including a plurality of work resou...
Invention Cutting fluid circulation device. A cutting fluid circulation device includes a tank reservoir, ...
Invention Robot mounting base. A robot mounting base for an industrial robot includes a mounting base main...
Invention Three-dimensional shape measuring system. A three-dimensional shape measuring system includes a ...
Invention Temperature rise value estimating method, thermal displacement amount estimating method, and bear...
Invention Method for manufacturing molds. Provided is a method for manufacturing molds with which it is pos...
Invention Three-dimensional point cloud data processing system. A three-dimensional point cloud data proce...
Invention Control apparatus of three-phase ac motor. A position control apparatus detects currents of proce...
Invention Gripper device. A gripper device includes: an air cylinder having a piston rod; a rotary output ...
Invention Calibration master installing jig and measuring method for calibration master in machine tool. A...
Invention Feed axis monitoring device and monitoring method for machine tool. A feed axis monitoring devic...
Invention Servo control apparatus and servo control method. A servo control apparatus includes an actual m...
Invention Three-phase induction motor. In a three-phase induction motor, each of coils of three phases has...
Invention Linear motor. A linear motor includes a stator having a plurality of salient poles, and a slider...
Invention Tool magazine apparatus. Provided is a tool magazine apparatus capable of preventing a phase err...
Invention Tool magazine apparatus. Provided is a tool magazine apparatus that has excellent workability an...
Invention Displacement compensation device and displacement compensation method for machine tool. A displa...
Invention Tool pot. Provided is a tool pot overcoming a problem that dirt adhered to the tool pot is trans...
Invention Machining accuracy diagnosing device and machining accuracy diagnosing method for machine tool. ...
Invention Machining accuracy diagnosing device and machining accuracy management system for machine tool. ...
2022 Invention Machine tool and machining method. A machine tool is configured to machine a workpiece by rotati...
Invention Joined body and manufacturing method thereof. Provided is a copper alloy-ferrous material joined ...
Invention Motor control device and abnormality detection method for current detector provided in motor cont...
Invention Control device for machine tool. A control device for a machine tool in which a tool used to mac...
Invention Position control device. In a position control device that controls a rotational speed and a rota...
Invention Tap phase detection method, female thread processing method in machine tool, and machine tool. A...
Invention Turning method for workpiece, machine tool, and non-transitory computer-readable storage medium s...
Invention Three-dimensional shape measurement system and machine tool system. A three-dimensional shape me...
Invention Control device for machine tool. A control device for a machine tool includes a tool mounted on ...
Invention Accuracy analysis system for machine tool. An accuracy analysis system for a machine tool includ...
Invention Method for calculating compensation parameter of motion error in machine tool, and machine tool. ...
1982 G/S Electrical and electronical numerical control apparatus for use in cutting, milling and boring; c...
1981 G/S Machine tools.
1980 G/S Electric and Electronic Control Apparatus for Use in the Supervision, Checking, and Remote Contro...