For the Inventor, By the Inventor

Enter assignee name

Proterial, Ltd.

Calculating rank

USPTO Granted Patents = 266

EPO Patents = 105

Trademarks = 35

Forward Citations = 32

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. Seiichi Kashimura (10 out of 18 patents)

7. Kazufumi Suenaga (10 out of 49 patents)

8. Keisuke Fukuchi (10 out of 18 patents)

9. Hiroshi Shiratori (10 out of 13 patents)

10. Yukio Ikeda (9 out of 67 patents)

11. Yasuo Kuriyama (9 out of 9 patents)

12. Shuho Koseki (9 out of 9 patents)

13. Yoshikazu Hayakawa (8 out of 50 patents)

14. Hideki Nonen (8 out of 36 patents)

15. Takahiro Sugiyama (8 out of 23 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

266 patents: Sort by Forward Citations

1. 12776443 - Production method for nanocrystalline alloy ribbon having resin film (2026-10-27),

2. 12767556 - Method for manufacturing positive electrode active material for lithium ion secondary battery (2026-10-20),

3. 12763231 - Insulated electric wire and manufacturing method of insulated electric wire (2026-10-13),

4. 12754087 - Magnetostrictive torque sensor (2026-10-06),

5. 12749890 - Surge suppression device (2026-09-29),

6. 12749602 - Iron-chromium-cobalt alloy magnet and method for producing same (2026-09-29),

7. 12738670 - Antenna radiating element and antenna device (2026-09-15),

8. 12732053 - Three-phase coil structure and linear motor (2026-09-08),

9. 12727219 - Silicon carbide substrate having excellent flatness and low basal plane dislocation density (2026-09-01),

10. 12726094 - Method for manufacturing a wiring component (2026-09-01),

11. 12723297 - Hot work tool steel and hot work tool (2026-09-01),

12. 12722700 - Position detection device (2026-09-01),

13. 12718971 - Cable connection structure and method for manufacturing cable connection structure (2026-08-25),

14. 12712575 - HIGH FREQUENCY MODULE (2026-08-18),

15. 12709028 - CABLE STATUS MANAGEMENT SYSTEM (2026-08-18),

Company Overview

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 synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

266 Patents

#295 in Tokyo

#576 in Japan

#3,306 in the World

Proterial, Ltd.

Forward Citations = 32

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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Proterial, Ltd.. Retrieved from https://idiyas.com/company/proterial

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]

Loading…