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Fujitsu Fanuc Limited

USPTO Granted Patents = 187

Forward Citations = 2,757

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107 inventors (with patents filed for the assignee):

Ryoji Imazeki (33 out of 37 patents)

Hajimu Inaba (33 out of 50 patents)

Shigeki Kawada (22 out of 38 patents)

4. Yoshinori Kohzai (22 out of 23 patents)

5. Yoshiki Fujioka (22 out of 46 patents)

6. Shigeaki Oyama (15 out of 17 patents)

7. Hiroshi Ishida (14 out of 32 patents)

8. Etsuo Yamazaki (14 out of 53 patents)

9. Shigemi Inagaki (12 out of 21 patents)

10. Shinsuke Sakakibara (11 out of 49 patents)

11. Naoto Ota (10 out of 21 patents)

12. Ryo Nihei (8 out of 77 patents)

13. Yoshiyuki Nomura (8 out of 9 patents)

14. Hiroomi Fukuyama (8 out of 11 patents)

15. Ryoichiro Nozawa (8 out of 31 patents)

Core Competencies:

Induction Motor

Robot Hand

Control System

Numerical Control

Industrial Robot

Three-Dimensional Tracer

Speed Detection

Data Rewriting

Machining Method

Power Source

Gripping Device

Screw Cutting

187 patents: Sort by Forward Citations

1. 4745320 - Induction motor (1988-05-17),

2. 4571687 - Screw cutting control system (1986-02-18),

3. 4538639 - Robot wrist of an industrial robot (1985-09-03),

4. 4530636 - Device for operating a hand of an industrial robot (1985-07-23),

5. 4530062 - Method and apparatus for controlling industrial robots (1985-07-16),

6. 4519026 - Numerical control system with graphical display processing of size and (1985-05-21),

7. 4518916 - System for detecting rotational speed (1985-05-21),

8. 4517663 - Method of rewriting data in non-volatile memory, and system therefor (1985-05-14),

9. 4516211 - Numerical control system (1985-05-07),

10. 4513234 - Method and apparatus for controlling zero-point return of a movable (1985-04-23),

11. 4511982 - Numerical control device (1985-04-16),

12. 4506129 - Apparatus for processing a broken wire electrode used during (1985-03-19),

13. 4502830 - Industrial robot (1985-03-05),

14. 4502108 - Position error correction equipment (1985-02-26),

15. 4501998 - Numerical controller equipped with optional block skip function (1985-02-26),

Fujitsu Fanuc Limited, based in Tokyo, Japan, specializes in the development and manufacturing of advanced industrial robotics solutions. The company focuses on key technology areas such as induction motors, robot hands, and control systems, which are integral to enhancing automation in various industries. With expertise in numerical control and three-dimensional tracing, Fujitsu Fanuc is dedicated to improving operational efficiency and precision in manufacturing processes, contributing significantly to the evolution of industrial automation.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Fujitsu Fanuc Limited

187 Patents

#375 in Tokyo

#743 in Japan

#4,495 in the World

Fujitsu Fanuc Limited

Forward Citations = 2,757

107 inventors:

Ryoji Imazeki (33 out of 37 patents)

Hajimu Inaba (33 out of 50 patents)

Shigeki Kawada (22 out of 38 patents)

4. Yoshinori Kohzai (22 out of 23 patents)

5. Yoshiki Fujioka (22 out of 46 patents)

Please report any incorrect information to [email protected]

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