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Oriental Motor Co., Inc.

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USPTO Granted Patents = 41

% Expired Patents = 17.1

EPO Patents = 13

Trademarks = 6

Forward Citations = 285

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37 inventors (with patents filed for the assignee):

Hirobumi Satomi (13 out of 13 patents)

Takao Iwasa (10 out of 10 patents)

Akihiko Houda (5 out of 5 patents)

4. Akihiko Hoda (4 out of 4 patents)

5. Makoto Saito (2 out of 102 patents)

6. Shinya Kuwata (2 out of 2 patents)

7. Masayuki Someya (2 out of 2 patents)

8. Masami Nakano (2 out of 2 patents)

9. Hikaru Umino (2 out of 2 patents)

10. Shiro Hara (1 out of 26 patents)

11. Sommawan Khumpuang (1 out of 13 patents)

12. Atsushi Onodera (1 out of 1 patent)

13. Daiki Kondo (1 out of 1 patent)

14. Shuuji Okuda (1 out of 1 patent)

15. Sho Takeuchi (1 out of 1 patent)

Core Competencies:

Stepping Motor

AC Motor Control

Absolute Encoder

Linear Motor

Electromagnetic Brake

Friction Brake

Sensor Substrate

Multi-Turn Detection

Laminated Core

Position Control

Capacitor Motor

Cylinder-Type Motor

41 patents: Sort by Forward Citations

1. 12355375 - Stepping motor drive device (2025-07-08),

2. 12334846 - AC motor control device and drive system equipped with same (2025-06-17),

3. 12249936 - Motor control device (2025-03-11),

4. 12249933 - Motor control device (2025-03-11),

5. 11909348 - Control device for stepping motor (2024-02-20),

6. 10598235 - Friction brake structure (2020-03-24),

7. 10551219 - Electrostatic encoder (2020-02-04),

8. 10286426 - Columnar laminar flow generation device and method for generating columnar laminar flows (2019-05-14),

9. 9841947 - Device and method for calculating absolute amount of displacement, and method for same (2017-12-12),

10. 9528855 - Multi-turn absolute rotation angle detection device and method of detecting absolute rotation angle (2016-12-27),

11. 9513142 - Device for detecting multi-turn absolute rotation angle and method for detecting the same (2016-12-06),

12. 9391482 - Grease leakage preventing structure for gear reducer (2016-07-12),

13. 9379598 - Absolute encoder device and motor (2016-06-28),

14. 9350215 - Method and structure for mounting sensor substrate of brushless motor (2016-05-24),

15. 8120303 - Method and apparatus for controlling inertial system (2012-02-21),

Company Overview

Oriental Motor Co., Inc., headquartered in Tokyo, Japan, specializes in the development and manufacturing of motion control solutions. The company is renowned for its expertise in stepping motors, AC motor control systems, and various types of encoders, including electrostatic and multi-turn absolute encoders. Additionally, Oriental Motor offers advanced technologies such as linear motors, permanent magnet motors, and braking systems, catering to diverse applications across industries that require precise motion control and automation.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

41 Patents

#908 in Tokyo

#1,944 in Japan

#16,735 in the World

Oriental Motor Co., Inc.

Forward Citations = 285

37 inventors:

Hirobumi Satomi (13 out of 13 patents)

Takao Iwasa (10 out of 10 patents)

Akihiko Houda (5 out of 5 patents)

4. Akihiko Hoda (4 out of 4 patents)

5. Makoto Saito (2 out of 102 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Oriental Motor Co., Inc.. Retrieved from https://idiyas.com/company/oriental-motor-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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