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Kitakyushu, Japan

Mitsui High-tec Incorporated

USPTO Granted Patents = 185

CIPO Patents = 59

EPO Patents = 37

Trademarks = 3

Forward Citations = 1,102

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202 inventors (with patents filed for the assignee):

Katsumi Amano (18 out of 19 patents)

Yusuke Hasuo (17 out of 20 patents)

Takashi Fukumoto (16 out of 17 patents)

4. Akira Nagai (15 out of 17 patents)

5. Hirotoshi Mabu (13 out of 15 patents)

6. Jin Oda (12 out of 14 patents)

7. Satoshi Matsubayashi (12 out of 15 patents)

8. Masahiro Izumi (12 out of 12 patents)

9. Go Kato (11 out of 17 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

Rotary Electric Machine

Core Unit Manufacturing

Heat-Treatment Apparatus

Electrode Connection Structure

Resin Injection

Stacked Core

Armature Production

Metal Laminate

Dummy Plate

Separator Production

185 patents: Sort by Forward Citations

1. 12483077 - Split-type laminated iron core and method for manufacturing split-type laminated iron core (2025-11-25),

2. 12476523 - Laminated iron core production device, laminated iron core, and laminated iron core production method (2025-11-18),

3. 12278528 - Method for manufacturing laminated body (2025-04-14),

4. 12027927 - Core part manufacturing method and core part manufacturing apparatus of rotary electric machine (2024-07-02),

5. 11969923 - Method for manufacturing iron core product (2024-04-30),

6. 11865739 - Method of manufacturing a core product (2024-01-09),

7. 11799366 - Manufacturing method of laminated iron core (2023-10-24),

8. 11770056 - Manufacturing method of laminated iron core (2023-09-26),

9. 11632026 - Core unit manufacturing method (2023-04-18),

10. 11632023 - Laminated iron core and manufacturing method of laminated iron core (2023-04-18),

11. 11605990 - Annular core piece and annular core (2023-03-14),

12. 11605988 - Method for manufacturing laminated iron core (2023-03-14),

13. 11524327 - Device for manufacturing laminated iron core and method for manufacturing laminated iron core (2022-12-13),

14. 11472169 - Metal laminate and manufacturing method of metal laminate (2022-10-18),

15. 11469651 - Device for manufacturing laminated iron core and method for manufacturing laminated iron core (2022-10-11),

Mitsui High-Tec Incorporated is a global manufacturing company specializing in the production of high-precision machine tools, semiconductor manufacturing equipment, and industrial machinery. They offer innovative solutions to various industries, including automotive, aerospace, electronics, and medical. With a commitment to quality and precision, Mitsui High-Tec aims to contribute to the advancement of technology and manufacturing processes.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

185 Patents

#2 in Kitakyushu

#728 in Japan

#4,394 in the World

Kitakyushu, Japan

Mitsui High-tec Incorporated

Forward Citations = 1,102

202 inventors:

Katsumi Amano (18 out of 19 patents)

Yusuke Hasuo (17 out of 20 patents)

Takashi Fukumoto (16 out of 17 patents)

4. Akira Nagai (15 out of 17 patents)

5. Hirotoshi Mabu (13 out of 15 patents)

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