For the Inventor, By the Inventor

Enter assignee name

Mitsui High-Tec Incorporated

Calculating rank

USPTO Granted Patents = 194

% Expired Patents = 13.9

EPO Patents = 39

Trademarks = 2

Forward Citations = 1,127

Loading Chart...

Loading Chart...

183 inventors (with patents filed for the assignee):

Yusuke Hasuo (18 out of 21 patents)

Katsumi Amano (18 out of 19 patents)

Takashi Fukumoto (16 out of 17 patents)

4. Akira Nagai (15 out of 17 patents)

5. Jin Oda (13 out of 14 patents)

6. Hirotoshi Mabu (13 out of 15 patents)

7. Go Kato (12 out of 18 patents)

8. Satoshi Matsubayashi (12 out of 15 patents)

9. Masahiro Izumi (12 out of 12 patents)

10. Iwao Myojin (9 out of 14 patents)

11. Akihiro Hashimoto (9 out of 11 patents)

12. Kazutoshi Ueda (8 out of 8 patents)

13. Katsufusa Fujita (8 out of 8 patents)

14. Hirokazu Arakawa (7 out of 7 patents)

15. Takahiro Ishibashi (7 out of 7 patents)

Core Competencies:

Laminated Iron Core

Manufacturing Method

Production Device

Core Structure

Rotary Electric Machine

Heat-Treatment Apparatus

Electrode Connection Structure

Resin Sealing

Segregated Laminated Core

Metal Laminate

Stacked Core

Armature

194 patents: Sort by Forward Citations

1. 12796484 - Lead frame and method for manufacturing lead frame (2026-11-10),

2. 12787801 - Metal component including conductive substrate with nickel layer and noble metal layer (2026-11-03),

3. 12702020 - Metal component including phosphorous-containing nickel layer (2026-08-04),

4. 12628664 - Metal component (2026-05-12),

5. 12627204 - Laminated iron core and laminated iron core manufacturing method (2026-05-12),

6. 12614956 - Manufacturing method for laminated iron core and laminated iron core (2026-04-28),

7. 12525857 - Laminated iron core, manufacturing method of laminated iron core, and progressive die machine (2026-01-13),

8. 12483077 - Split-type laminated iron core and method for manufacturing split-type laminated iron core (2025-11-25),

9. 12476523 - Laminated iron core production device, laminated iron core, and laminated iron core production method (2025-11-18),

10. 12328040 - Method of producing iron core product and apparatus for producing iron core product (2025-06-10),

11. 12278528 - Method for manufacturing laminated body (2025-04-14),

12. 12248829 - Method of manufacturing metal product and metal product (2025-03-11),

13. 12027927 - Core part manufacturing method and core part manufacturing apparatus of rotary electric machine (2024-07-02),

14. 11969923 - Method for manufacturing iron core product (2024-04-30),

15. 11865739 - Method of manufacturing a core product (2024-01-09),

Company Overview

Mitsui High-Tec Incorporated, headquartered in Fukuoka, Japan, specializes in the development and manufacturing of laminated iron cores. The company focuses on advanced technologies related to core structures and production methods, catering to industries that require high-performance rotary electric machines. Their expertise extends to heat-treatment apparatus and innovative electrode connection structures, ensuring reliability and efficiency in electrical applications. Mitsui High-Tec is committed to enhancing manufacturing processes and product quality in the field of electrical engineering.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 10 2026

194 Patents

#2 in Fukuoka

#720 in Japan

#4,346 in the World

Mitsui High-Tec Incorporated

Forward Citations = 1,127

183 inventors:

Yusuke Hasuo (18 out of 21 patents)

Katsumi Amano (18 out of 19 patents)

Takashi Fukumoto (16 out of 17 patents)

4. Akira Nagai (15 out of 17 patents)

5. Jin Oda (13 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsui High-Tec Incorporated. Retrieved from https://idiyas.com/company/mitsui-high-tec

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…