For the Inventor, By the Inventor

Enter assignee name

Kobe Steel, Ltd.

USPTO Granted Patents = 1,921

% Expired Patents = 40.4

EPO Patents = 3

Trademarks = 8

Forward Citations = 6,542

Loading Chart...

Loading Chart...

1,989 inventors (with patents filed for the assignee):

Kenji Yamamoto (64 out of 150 patents)

Toshihiro Kugimiya (43 out of 50 patents)

Koji Noishiki (38 out of 42 patents)

4. Eiji Takahashi (37 out of 44 patents)

5. Toru Hashimura (33 out of 36 patents)

6. Kenichi Watanabe (32 out of 33 patents)

7. Toshiki Sato (30 out of 42 patents)

8. Toshio Murakami (30 out of 30 patents)

9. Kenji Nagura (30 out of 33 patents)

10. Reiichi Suzuki (29 out of 31 patents)

11. Aya Miki (27 out of 29 patents)

12. Junichi Nakai (27 out of 38 patents)

13. Masaki Matsukuma (26 out of 27 patents)

14. Shigeto Adachi (26 out of 35 patents)

15. Katsushi Matsumoto (25 out of 27 patents)

Core Competencies:

Welding Method

Flux-Cored Wire

Automated Welding

Arc Welding

Metal-Resin Composite

High-Strength Steel

Additive Manufacturing

Welding Control Device

Gas Treatment

Electric Vehicle Structure

Cooling Device

Machine Learning

1,921 patents: Sort by Forward Citations

1. 12753477 - High-strength alloyed hot-dip galvanized steel sheet and manufacturing method therefor (2026-10-06),

2. 12752432 - Work measuring method and welding system (2026-10-06),

3. 12741333 - Control method for portable welding robot, welding control device, portable welding robot, and welding system (2026-09-22),

4. 12715059 - Weld-line generating apparatus, method for generating weld line, and program for generating weld line (2026-08-25),

5. 12714036 - Building (2026-08-25),

6. 12676375 - Battery case for electric vehicles and manufacturing method (2026-07-07),

7. 12674508 - Manufacturing method of gear box and manufacturing method of rotating machine (2026-07-07),

8. 12674216 - High-strength cold-rolled steel sheet, hot-dipped galvanized steel sheet, alloyed hot-dipped galvanized steel sheet, and methods for producing of these (2026-07-07),

9. 12667880 - Method and apparatus for manufacturing aluminum alloy extruded part (2026-06-30),

10. 12656302 - Hydrogen permeability testing device (2026-06-16),

11. 12655505 - Mechanical structure steel for cold-working and manufacturing method therefor (2026-06-16),

12. 12643170 - Welding system, welding method, welding support device, program, learning device, and method of generating trained model (2026-06-02),

13. 12640431 - Battery case and manufacturing method of battery case (2026-05-26),

14. 12625042 - Method for checking quality of heat exchanger (2026-05-12),

15. 12611738 - Flux-cored wire (2026-04-28),

Company Overview

Kobe Steel, Ltd. is a prominent Japanese company specializing in welding technology, focusing on innovative solutions for various industrial applications. The company develops advanced welding methods, including flux-cored wire and automated welding systems, to enhance efficiency and quality in manufacturing processes. Additionally, Kobe Steel is engaged in the production of high-strength steel and metal-resin composites, alongside pioneering efforts in additive manufacturing and welding control devices, positioning itself as a leader in the welding sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

1,921 Patents

#3 in Kobe

#125 in Japan

#526 in the World

Kobe Steel, Ltd.

Forward Citations = 6,542

1,989 inventors:

Kenji Yamamoto (64 out of 150 patents)

Toshihiro Kugimiya (43 out of 50 patents)

Koji Noishiki (38 out of 42 patents)

4. Eiji Takahashi (37 out of 44 patents)

5. Toru Hashimura (33 out of 36 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kobe Steel, Ltd.. Retrieved from https://idiyas.com/company/kobe-steel

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…