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Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

USPTO Granted Patents = 122

Trademarks = 1

Forward Citations = 844

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295 inventors (with patents filed for the assignee):

Kenji Yamamoto (7 out of 150 patents)

Takao Harada (5 out of 36 patents)

Koichi Makii (5 out of 12 patents)

4. Hiroshi Akamizu (5 out of 14 patents)

5. Hidetoshi Tanaka (5 out of 29 patents)

6. Shigeto Adachi (4 out of 35 patents)

7. Yutaka Narukawa (4 out of 32 patents)

8. Shushi Ikeda (4 out of 23 patents)

9. Yoshihaya Imamura (3 out of 26 patents)

10. Toshihiro Kugimiya (3 out of 50 patents)

11. Takehiro Tsuchida (3 out of 13 patents)

12. Hiroshi Yaguchi (3 out of 17 patents)

13. Yoichi Mukai (3 out of 15 patents)

14. Hisashi Mitamura (3 out of 27 patents)

15. Junichi Nakai (3 out of 38 patents)

Core Competencies:

Hot-Dip Galvanizing

Welding Control Device

Powder Metallurgy

High-Strength Steel Sheet

Energy Recovery Systems

Aluminum Alloy Clad Member

Optical Information Recording

Sealing Devices

Sputtering Targets

Cold Rolled Steel

Gas Supply Systems

Electromagnetic Forming

122 patents: Sort by Forward Citations

1. 12510884 - Machine learning device, additive manufacturing system, machine learning method for welding condition, method for adjusting welding condition, and a non-transitory computer readable medium storing a program (2025-12-30),

2. 12421583 - Steel sheet for hot-dip galvanizing, hot-dip galvanized steel sheet, and alloyed hot-dip galvannealed steel sheet (2025-09-23),

3. 12325060 - Method for producing frame structure (2025-06-10),

4. 12275099 - Welding control device, display control device, welding system, welding control method, and program (2025-04-14),

5. 12241152 - Hard coating film, and member coated with sand-abrasion-resistant hard coating film which includes same (2025-03-04),

6. 12240127 - Welding system, control device, and welding method (2025-03-04),

7. 12233472 - Spot welding method for aluminum material and aluminum material (2025-02-25),

8. 12202028 - Method for joining members, and composite elastic body used in said method (2025-01-21),

9. 11969777 - Structure and method for producing same (2024-04-30),

10. 11300355 - Boil-off gas supply device (2022-04-12),

11. 11241736 - Powder mixture for iron-based powder metallurgy, and method for manufacturing sintered compact using same (2022-02-08),

12. 11111654 - Interference prevention device for construction machinery (2021-09-07),

13. 10801671 - Gas supply system and hydrogen station (2020-10-13),

14. 10655505 - Compressed air energy storage and power generation device and compressed air energy storage and power generation method (2020-05-19),

15. 10566457 - Thin film transistor and display device (2020-02-18),

Kobe Steel, Ltd. is a Japanese multinational corporation that specializes in the production of steel, aluminum, copper, and other metals. The company also manufactures industrial machinery, engineering products, and construction materials. Kobe Steel is known for its high-quality products and innovative technologies in the metal industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

122 Patents

#10 in Hyogo

#977 in Japan

#6,362 in the World

Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

Forward Citations = 844

295 inventors:

Kenji Yamamoto (7 out of 150 patents)

Takao Harada (5 out of 36 patents)

Koichi Makii (5 out of 12 patents)

4. Hiroshi Akamizu (5 out of 14 patents)

5. Hidetoshi Tanaka (5 out of 29 patents)

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