Kei Miyanishi

This inventor holds 22 USPTO granted patents and 13 published patent applications, plus 1 CIPO patent and 14 EPO patents, primarily in Steel Material Engineering. Top assignees: Nippon Steel Sumitomo Metal Corporation, Nippon Steel Corporation, Aisin Aw Co., Ltd.. Active years: 2013-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kei Miyanishi. Retrieved from https://idiyas.com/inventor/kei-miyanishi

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

USPTO Granted Patents = 22 (Patent Applications = 13)

% Patents Active = 40.9

CIPO Patents = 1

EPO Patents = 14 (Patent Applications = 18)

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 14(Granted Patents)

Location History:

Hokkaido, JP (2020)
Kitakyushu, JP (2021)
Tokyo, JP (2013 - 2024)

Company Filing History:

15 out of 1,102

Nippon Steel Sumitomo Metal Corporation

patents

7 out of 3,713

Nippon Steel Corporation

where one patent can have more than one assignee

Years Active: 2013-2024

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Areas of Expertise:

Induction Hardening

Surface Hardening

Machinability

Steel Component

Bearing Steel

Hot Forging

Carburized Steel

Cutting Method

Steel Material

Tracked Undercarriage

Steel Bar

Steel Wire Rod

22 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12098450 - Tracked undercarriage component, and method for producing the same (2024-09-24),

2. 12006557 - Steel material and component (2024-06-11),

3. 11459630 - Bearing steel component, and steel bar for bearing steel component (2022-10-04),

4. 10889870 - Steel component, gear component, and producing method for steel component (2021-01-12),

5. 10808304 - Steel for induction hardening (2020-10-20),

6. 10801091 - Steel for induction hardening (2020-10-13),

7. 10793937 - Steel for induction hardening (2020-10-06),

8. 9890446 - Steel for induction hardening roughly shaped material for induction hardening (2018-02-13),

9. 9777343 - Steel for surface hardening for machine structural use and part for machine structural use (2017-10-03),

10. 9487848 - Hot forging use non-heat-treated steel and hot forged non-heat-treated steel part (2016-11-08),

11. 9476112 - Steel wire rod or steel bar having excellent cold forgeability (2016-10-25),

12. 9376738 - Hot forging use non-heat-treated steel and hot forged non-heat-treated steel part (2016-06-28),

13. 9156231 - Steel for machine structure use for surface hardening and steel part for machine structure use (2015-10-13),

14. 9139894 - Steel for machine structure exhibiting excellent machinability (2015-09-22),

15. 9127336 - Hot-working steel excellent in machinability and impact value (2015-09-08),

Title: Kei Miyanishi: Innovator in Steel Technology

Introduction

Kei Miyanishi, based in Tokyo, Japan, is a prominent inventor recognized for his significant contributions to the field of steel technology. With 22 patents to his name, Miyanishi's innovations focus on enhancing the performance and reliability of tracked undercarriage components, which are crucial in various heavy machinery applications.

Latest Patents

Miyanishi's latest patents include a "Tracked Undercarriage Component" and a "Method for Producing the Same." The track link he developed utilizes a specialized steel composition, characterized by a high hardness portion with a hardness rating between HRC 57 and 60, along with a low hardness portion. The design intricately integrates a martensite phase with nonmetallic particles such as MnS, TiCN, and NbCN, optimizing the balance between toughness and durability. Additionally, he has introduced a steel material that excels in machinability while offering superior roller-pitting fatigue strength, making it ideal for induction-hardened components.

Career Highlights

Miyanishi has an impressive career trajectory, having worked with reputable organizations such as Nippon Steel & Sumitomo Metal Corporation and Nippon Steel Corporation. His tenure at these companies has been instrumental in the development of innovative steel solutions that address industry challenges.

Collaborations

Throughout his career, Miyanishi has collaborated with notable professionals, including Masayuki Hashimura and Manabu Kubota. These partnerships have allowed him to leverage diverse expertise, enhancing the quality and reach of his inventions.

Conclusion

Kei Miyanishi stands out as a key figure in the innovation of steel materials and components, particularly in the realm of tracked undercarriages. His work not only reflects a dedication to advancing steel technology but also highlights the importance of teamwork and collaboration in achieving groundbreaking inventions.

Profile summary based on public USPTO records.