For the Inventor, By the Inventor

Enter assignee name

Proterial, Ltd.

USPTO Granted Patents = 260

EPO Patents = 103

Trademarks = 35

Forward Citations = 25

Loading Chart...

Loading Chart...

338 inventors (with patents filed for the assignee):

Detian Huang (17 out of 55 patents)

Yohei Shirakawa (14 out of 15 patents)

Yuta Sugiyama (13 out of 40 patents)

4. Takanobu Watanabe (13 out of 39 patents)

5. Kousuke Kuwabara (10 out of 16 patents)

6. Keisuke Fukuchi (10 out of 18 patents)

7. Hiroshi Shiratori (10 out of 13 patents)

8. Seiichi Kashimura (9 out of 17 patents)

9. Kazufumi Suenaga (9 out of 48 patents)

10. Yukio Ikeda (9 out of 67 patents)

11. Shuho Koseki (9 out of 9 patents)

12. Yoshikazu Hayakawa (8 out of 50 patents)

13. Hideki Nonen (8 out of 36 patents)

14. Takahiro Sugiyama (8 out of 23 patents)

15. Yasuo Kuriyama (8 out of 8 patents)

Core Competencies:

Torque Measuring Device

Position Detection Device

Composite Cable

Magnetic Sheet

Ni-Based Alloy

Resin Composition

Fe-Co-Based Alloy

Ceramic Honeycomb

Scintillator Structure

Additive Manufacturing

Wiring Component

Hot Work Tool Steel

260 patents: Sort by Forward Citations

1. 12738670 - Antenna radiating element and antenna device (2026-09-15),

2. 12732053 - Three-phase coil structure and linear motor (2026-09-08),

3. 12727219 - Silicon carbide substrate having excellent flatness and low basal plane dislocation density (2026-09-01),

4. 12726094 - Method for manufacturing a wiring component (2026-09-01),

5. 12723297 - Hot work tool steel and hot work tool (2026-09-01),

6. 12722700 - Position detection device (2026-09-01),

7. 12718971 - Cable connection structure and method for manufacturing cable connection structure (2026-08-25),

8. 12712575 - HIGH FREQUENCY MODULE (2026-08-18),

9. 12709028 - CABLE STATUS MANAGEMENT SYSTEM (2026-08-18),

10. 12703888 - Method for manufacturing austenitic stainless steel strip (2026-08-11),

11. 12695016 - Multilayer magnetic sheet (2026-07-28),

12. 12695004 - Laminate structure, cable and tube (2026-07-28),

13. 12693347 - Disconnection detection device (2026-07-28),

14. 12690479 - Silicon nitride substrate, silicon nitride circuit substrate, and evaluation method, evaluation device, and evaluation system for silicon nitride substrate and silicon nitride circuit substrate (2026-07-21),

15. 12686901 - Method for producing martensitic stainless steel strip, and martensitic stainless steel strip (2026-07-21),

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 - Sep 15 2026

Proterial, Ltd.

260 Patents

#299 in Tokyo

#588 in Japan

#3,356 in the World

Proterial, Ltd.

Forward Citations = 25

338 inventors:

Detian Huang (17 out of 55 patents)

Yohei Shirakawa (14 out of 15 patents)

Yuta Sugiyama (13 out of 40 patents)

4. Takanobu Watanabe (13 out of 39 patents)

5. Kousuke Kuwabara (10 out of 16 patents)

Please report any incorrect information to [email protected]

Loading…