Masanori Takenaka

This inventor holds 20 USPTO granted patents and 12 published patent applications, plus 6 CIPO patents and 11 EPO patents, primarily in Electrical Steel Production. Top assignees: Jfe Steel Corporation, Sony Corporation. Active years: 2011-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masanori Takenaka. Retrieved from https://idiyas.com/inventor/masanori-takenaka

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

Calculating rank

USPTO Granted Patents = 20 (Patent Applications = 12)

% Patents Active = 95.0

CIPO Patents = 6

EPO Patents = 11 (Patent Applications = 17)

Average Co-Inventor Count = 3.2

ph-index = 2

Forward Citations = 14(Granted Patents)

Company Filing History:

19 out of 1,974

Jfe Steel Corporation

Years Active: 2011-2026

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Areas of Expertise:

Electrical Steel

Grain-Oriented Steel

Hot-Rolled Steel

Manufacturing Method

Production Process

Low-Iron-Loss Steel

Steel Sheet

Cooling Apparatus

Projection Display

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12680149 - Method for producing grain-oriented electrical steel sheet (2026-07-14),

2. 12662724 - Method for producing grain-oriented electrical steel sheet (2026-06-23),

3. 12529119 - Method of producing hot-rolled steel sheet for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheet (2026-01-20),

4. 12325892 - Method for manufacturing a grain-oriented electrical steel sheet (2025-06-10),

5. 12305255 - Method for producing grain-oriented electrical steel sheet (2025-05-20),

6. 12104217 - Grain-oriented electrical steel sheet and production method therefor (2024-10-01),

7. 11577291 - Hot-rolled steel sheet for electrical steel sheet production and method of producing same (2023-02-14),

8. 11560603 - Grain-oriented electrical steel sheet and method for manufacturing same (2023-01-24),

9. 11459633 - Low-iron-loss grain-oriented electrical steel sheet and production method for same (2022-10-04),

10. 11459629 - Method of producing grain-oriented electrical steel sheet (2022-10-04),

11. 11332801 - Method of producing grain-oriented electrical steel sheet (2022-05-17),

12. 11286538 - Method for manufacturing grain-oriented electrical steel sheet (2022-03-29),

13. 11186888 - Grain-oriented electrical steel sheet and method for producing the same (2021-11-30),

14. 10889880 - Grain-oriented electrical steel sheet and method for manufacturing same (2021-01-12),

15. 10844452 - Grain-oriented electrical steel sheet and method for manufacturing the same (2020-11-24),

Title: Masanori Takenaka: Innovator in Electrical Steel Sheet Manufacturing

Introduction

Masanori Takenaka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electrical steel sheet manufacturing, holding a total of 17 patents. His innovative methods have advanced the production processes in this specialized area.

Latest Patents

Among his latest patents is a method for manufacturing a grain-oriented electrical steel sheet. This method involves heating a steel slab with a specific chemical composition and subjecting it to a series of processes including hot rolling, annealing, and recrystallization. The result is a grain-oriented electrical steel sheet characterized by a deviation angle of 4.5° or less and an area ratio of crystal grains with a specific orientation. Another notable patent is a method for producing grain-oriented electrical steel sheets, which includes precise temperature control and rapid cooling techniques to enhance the material properties.

Career Highlights

Masanori Takenaka has worked with notable companies such as JFE Steel Corporation and Sony Corporation. His experience in these organizations has allowed him to refine his expertise in steel manufacturing and innovation.

Collaborations

He has collaborated with talented individuals in his field, including Takeshi Imamura and Yuiko Ehashi. These partnerships have contributed to the development of advanced manufacturing techniques and innovative solutions in electrical steel production.

Conclusion

Masanori Takenaka's work in the field of electrical steel sheet manufacturing showcases his dedication to innovation and excellence. His patents and collaborations reflect his significant impact on the industry.

Profile summary based on public USPTO records.