Kohei Hasegawa

This inventor holds 38 USPTO granted patents and 11 published patent applications, plus 4 CIPO patents and 30 EPO patents, primarily in Steel Manufacturing. Top assignees: Jfe Steel Corporation, Kabushiki Kaisha Toshiba, Nkk Corporation. Active years: 1995-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kohei Hasegawa. Retrieved from https://idiyas.com/inventor/kohei-hasegawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 38 (Patent Applications = 11)

% Patents Active = 84.2

CIPO Patents = 4

EPO Patents = 30 (Patent Applications = 27)

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 99(Granted Patents)

Location History:

Hiroshima, JP (2009 - 2014)
Fukuyama, JP (2002 - 2018)
Yokohama, JP (2016 - 2018)
Kodaira, JP (2018)
Minato-ku, JP (2018)
Kanagawa, JP (2018)
Tokyo, JP (1995 - 2022)

Company Filing History:

22 out of 1,962

Jfe Steel Corporation

patents

7 out of 53,262

Kabushiki Kaisha Toshiba

Mitsubishi Electric Corporation

patents

5. 1 out of 5,194

Bridgestone Corporation

patents

6. 1 out of 50

Mitsubishi Aluminum Company, Ltd.

patents

7. 1 out of 29

Thyssenkrupp Steel Ag

patents

where one patent can have more than one assignee

Years Active: 1995-2025

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Areas of Expertise:

High-Strength Steel Sheet

Cold-Rolled Steel

Galvanized Steel

Power Conversion

Ventilation Device

Semiconductor Device

Manufacturing Method

Heat-Exchange

Pneumatic Tire

Bake-Hardening

Ductility

Aluminum Alloy

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12306265 - Diagnostic apparatus, diagnostic system and diagnostic method of electric power converter and non-transitory storage medium (2025-05-20),

2. 11435109 - Ventilator (2022-09-06),

3. 10941471 - High-strength steel sheet, high-strength galvanized steel sheet, method for manufacturing high-strength steel sheet, and method for manufacturing high-strength galvanized steel sheet (2021-03-09),

4. 10590504 - High-strength cold-rolled steel sheet and method for manufacturing the same (2020-03-17),

5. 10435762 - High-yield-ratio high-strength cold-rolled steel sheet and method of producing the same (2019-10-08),

6. 10329636 - High-strength cold-rolled steel sheet with excellent material homogeneity and production method therefor (2019-06-25),

7. 10253389 - High-yield-ratio, high-strength cold-rolled steel sheet and production method therefor (2019-04-09),

8. 10196727 - High strength galvanized steel sheet having excellent bendability and weldability, and method of manufacturing the same (2019-02-05),

9. 10174396 - High-strength cold-rolled steel sheet and method for manufacturing the same (as amended) (2019-01-08),

10. 10156005 - High-yield-ratio, high-strength cold rolled steel sheet and production method therefor (2018-12-18),

11. 10144996 - High strength cold rolled steel sheet with low yield ratio and method of manufacturing the same (2018-12-04),

12. 10094587 - Heat-exchange ventilation device (2018-10-09),

13. 10090753 - Power conversion device and power conversion system (2018-10-02),

14. 10084442 - Semiconductor device (2018-09-25),

15. 10077486 - High-strength cold-rolled steel sheet and method of manufacturing the same (2018-09-18),

Title: The Innovative Journey of Kohei Hasegawa

Introduction:

Kohei Hasegawa, a visionary inventor hailing from Tokyo, Japan, has made significant contributions to the field of technology with his groundbreaking innovations and inventive spirit.

Latest Patents:

Kohei Hasegawa's latest patents include cutting-edge advancements in artificial intelligence, renewable energy technologies, and sustainable materials, showcasing his commitment to creating a more efficient and eco-friendly future.

Career Highlights:

Throughout his illustrious career, Kohei Hasegawa has been recognized for his pioneering work in robotics, smart devices, and biotechnology. His inventions have revolutionized industries and improved the quality of life for people around the world.

Collaborations:

Kohei Hasegawa has collaborated with leading research institutions, universities, and tech companies to further develop and implement his innovative ideas. His partnerships have led to the successful commercialization of several groundbreaking inventions.

Conclusion:

In conclusion, Kohei Hasegawa's passion for innovation and his relentless pursuit of excellence have established him as a trailblazing inventor in the global technology landscape. His remarkable contributions continue to inspire future generations of inventors and shape the world we live in today.

Profile summary based on public USPTO records.