For the Inventor, By the Inventor

Enter assignee name

Proterial, Ltd.

USPTO Granted Patents = 263

EPO Patents = 104

Trademarks = 35

Forward Citations = 25

Loading Chart...

Loading Chart...

344 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 (11 out of 17 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

263 patents: Sort by Forward Citations

1. 12754087 - Magnetostrictive torque sensor (2026-10-06),

2. 12749890 - Surge suppression device (2026-09-29),

3. 12749602 - Iron-chromium-cobalt alloy magnet and method for producing same (2026-09-29),

4. 12738670 - Antenna radiating element and antenna device (2026-09-15),

5. 12732053 - Three-phase coil structure and linear motor (2026-09-08),

6. 12727219 - Silicon carbide substrate having excellent flatness and low basal plane dislocation density (2026-09-01),

7. 12726094 - Method for manufacturing a wiring component (2026-09-01),

8. 12723297 - Hot work tool steel and hot work tool (2026-09-01),

9. 12722700 - Position detection device (2026-09-01),

10. 12718971 - Cable connection structure and method for manufacturing cable connection structure (2026-08-25),

11. 12712575 - HIGH FREQUENCY MODULE (2026-08-18),

12. 12709028 - CABLE STATUS MANAGEMENT SYSTEM (2026-08-18),

13. 12703888 - Method for manufacturing austenitic stainless steel strip (2026-08-11),

14. 12695016 - Multilayer magnetic sheet (2026-07-28),

15. 12695004 - Laminate structure, cable and tube (2026-07-28),

Proterial, Ltd., headquartered in Tokyo, Japan, specializes in the development and manufacturing of advanced magnetic sensors. The company focuses on innovative technologies such as torque measuring devices and position detection devices, which are essential in various industrial applications. Proterial also works with composite cables, magnetic sheets, and specialized materials like Ni-based and Fe-Co-based alloys, as well as resin compositions and ceramic honeycombs, contributing to advancements in sensor technology and materials science.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

Proterial, Ltd.

263 Patents

#298 in Tokyo

#586 in Japan

#3,328 in the World

Proterial, Ltd.

Forward Citations = 25

344 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 (11 out of 17 patents)

Please report any incorrect information to [email protected]

Loading…