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Proterial, Ltd.

USPTO Granted Patents = 214

EPO Patents = 88

Trademarks = 44

Forward Citations = 12

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297 inventors (with patents filed for the assignee):

Detian Huang (16 out of 54 patents)

Takanobu Watanabe (13 out of 39 patents)

Yuta Sugiyama (9 out of 35 patents)

4. Keisuke Fukuchi (9 out of 17 patents)

5. Yohei Shirakawa (9 out of 11 patents)

6. Seiichi Kashimura (8 out of 16 patents)

7. Kousuke Kuwabara (8 out of 14 patents)

8. Tamotsu Sakurai (7 out of 10 patents)

9. Kazufumi Suenaga (7 out of 46 patents)

10. Yoshikazu Hayakawa (7 out of 49 patents)

11. Hiromitsu Kuroda (7 out of 46 patents)

12. Yukio Ikeda (7 out of 65 patents)

13. Hideki Nonen (7 out of 35 patents)

14. Hiroshi Shiratori (7 out of 10 patents)

15. Yasuo Kuriyama (7 out of 7 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

214 patents: Sort by Forward Citations

1. 12523785 - Scintillator structure (2026-01-13),

2. 12523500 - Position detection device (2026-01-13),

3. 12523499 - Position detection device (2026-01-13),

4. 12522901 - Spheroidal graphite cast iron, cast article and automobile structure part made thereof, and method for producing spheroidal graphite cast iron article (2026-01-13),

5. 12522900 - Fe-Co-based alloy bar (2026-01-13),

6. 12522899 - Fe—Co-based alloy bar (2026-01-13),

7. 12522898 - Method for manufacturing Fe—Co-based alloy bar, and Fe—Co-based alloy bar (2026-01-13),

8. 12521794 - Ni-based alloy member including additively manufactured body, method for manufacturing Ni-based alloy member, and manufactured product using Ni-based alloy member (2026-01-13),

9. 12519199 - Dielectric waveguide (2026-01-06),

10. 12516962 - Position detection device (2026-01-06),

11. 12516961 - Position detection device and vehicle steering device (2026-01-06),

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

13. 12500409 - Surge suppression device (2025-12-16),

14. 12496803 - Multilayer magnetic sheet (2025-12-16),

15. 12492962 - Disconnection detection method and disconnection detection device (2025-12-09),

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 - Jan 13 2026

214 Patents

#295 in Tokyo

#658 in Japan

#3,878 in the World

Proterial, Ltd.

Forward Citations = 12

297 inventors:

Detian Huang (16 out of 54 patents)

Takanobu Watanabe (13 out of 39 patents)

Yuta Sugiyama (9 out of 35 patents)

4. Keisuke Fukuchi (9 out of 17 patents)

5. Yohei Shirakawa (9 out of 11 patents)

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