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Proterial, Ltd.

USPTO Granted Patents = 204

EPO Patents = 87

Trademarks = 44

Forward Citations = 12

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281 inventors (with patents filed for the assignee):

Detian Huang (16 out of 54 patents)

Takanobu Watanabe (13 out of 39 patents)

Keisuke Fukuchi (9 out of 17 patents)

4. Seiichi Kashimura (8 out of 16 patents)

5. Kousuke Kuwabara (8 out of 14 patents)

6. Tamotsu Sakurai (7 out of 10 patents)

7. Yuta Sugiyama (7 out of 32 patents)

8. Kazufumi Suenaga (7 out of 46 patents)

9. Yoshikazu Hayakawa (7 out of 49 patents)

10. Hiromitsu Kuroda (7 out of 46 patents)

11. Hideki Nonen (7 out of 35 patents)

12. Hiroshi Shiratori (7 out of 10 patents)

13. Yasuo Kuriyama (7 out of 7 patents)

14. Teruyuki Nakamura (6 out of 26 patents)

15. Noriyuki Takahashi (6 out of 83 patents)

Core Competencies:

Position Detection Device

Torque Measuring Device

Medical Diagnostic Device

Silicon Nitride Substrate

Additive Manufacturing

Composite Cable

Magnetic Sheet

Resin Composition Quality Control

Single Crystal Manufacturing

Pressure Sensitive Sensor

Electrical Machine Stator

Ni-Based Corrosion Resistant Alloy

204 patents: Sort by Forward Citations

1. 12503749 - Ni-based alloy for hot die, and hot forging die using same (2025-12-23),

2. 12500409 - Surge suppression device (2025-12-16),

3. 12496803 - Multilayer magnetic sheet (2025-12-16),

4. 12492962 - Disconnection detection method and disconnection detection device (2025-12-09),

5. 12487103 - Position detection device (2025-12-02),

6. 12476449 - Boot-attached cable and medical diagnostic device (2025-11-18),

7. 12476029 - Resistor (2025-11-18),

8. 12476027 - Resistor and its manufacturing method (2025-11-18),

9. 12476026 - Insulated wire and method for manufacturing insulated wire (2025-11-18),

10. 12468267 - Process estimation method and process estimation device (2025-11-11),

11. 12460085 - Coated member manufacturing method and coated member (2025-11-04),

12. 12457725 - Sheet-shaped magnetic member (2025-10-28),

13. 12456564 - Multilayer magnetic sheet (2025-10-28),

14. 12451406 - Silicon nitride substrate and method of manufacturing the same (2025-10-21),

15. 12449318 - Torque measuring device (2025-10-21),

PROTERIAL, LTD. is a leading provider of innovative materials for various industries. With a focus on research and development, we consistently deliver high-quality solutions that meet the unique needs of our clients. Our expert team is dedicated to designing and manufacturing cutting-edge materials that enhance performance, durability, and sustainability. For more information, please visit our website.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

204 Patents

#307 in Tokyo

#679 in Japan

#4,036 in the World

Proterial, Ltd.

Forward Citations = 12

281 inventors:

Detian Huang (16 out of 54 patents)

Takanobu Watanabe (13 out of 39 patents)

Keisuke Fukuchi (9 out of 17 patents)

4. Seiichi Kashimura (8 out of 16 patents)

5. Kousuke Kuwabara (8 out of 14 patents)

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