Keiichi Tsuda

This inventor holds 29 USPTO granted patents and 4 published patent applications, plus 1 CIPO patent and 17 EPO patents, primarily in Cutting Tool Technology. Top assignees: Sumitomo Electric Industries, Limited, Sumitomo Electric Hardmetal Corp., Mimsi Materials Ab. Active years: 1996-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiichi Tsuda. Retrieved from https://idiyas.com/inventor/keiichi-tsuda

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

Calculating rank

USPTO Granted Patents = 29 (Patent Applications = 4)

% Patents Active = 93.1

CIPO Patents = 1

EPO Patents = 17 (Patent Applications = 14)

Average Co-Inventor Count = 3.5

ph-index = 6

Forward Citations = 214(Granted Patents)

Location History:

Hyogo, JP (2000)
Itami, JP (1996 - 2022)
Osaka, JP (2021 - 2024)

Company Filing History:

22 out of 10,666

Sumitomo Electric Industries, Limited

patents

8 out of 604

Sumitomo Electric Hardmetal Corp.

Nissin Electric Co., Ltd.

patents

6. 2 out of 834,659

Other

patents

where one patent can have more than one assignee

Years Active: 1996-2025

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Areas of Expertise:

Cemented Carbide

Cutting Tool

Coating

Titanium Carbonitride

Hard Material

Surface-Coated Tool

Cermet

Indexable Insert

Amorphous Carbon

Drilling Stabilizer

Nitrogen-Containing Alloy

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12409498 - Cemented carbide and cutting tool (2025-09-09),

2. 12371795 - Cutting tool (2025-07-29),

3. 12370608 - Cemented carbide and cutting tool (2025-07-29),

4. 12337390 - Cemented carbide and cutting tool (2025-06-24),

5. 12319991 - Base material and cutting tool (2025-06-03),

6. 12005507 - Cemented carbide and cutting tool including same as substrate (2024-06-11),

7. 11717978 - Cemented carbide and cutting tool including same as substrate (2023-08-08),

8. 11408065 - Coating (2022-08-09),

9. 11401587 - Cemented carbide, cutting tool containing the same, and method of manufacturing cemented carbide (2022-08-02),

10. 11225412 - Titanium carbonitride powder and method for manufacturing titanium carbonitride powder (2022-01-18),

11. 11214853 - Hard material and cutting tool (2022-01-04),

12. 11117196 - Surface-coated cutting tool (2021-09-14),

13. 10987739 - Cemented carbide and cutting tool (2021-04-27),

14. 10858252 - Complex carbonitride powder and method for producing same (2020-12-08),

15. 10689748 - Coating (2020-06-23),

Title: Keiichi Tsuda: Pioneering Inventor from Itami, JP

Introduction: Keiichi Tsuda is a renowned inventor hailing from Itami, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Keiichi Tsuda holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Keiichi Tsuda has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Keiichi Tsuda has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and excellence in all his projects.

Conclusion: Keiichi Tsuda's passion for innovation, coupled with his relentless drive to push the boundaries of what is possible, has solidified his reputation as a trailblazer in the world of inventions and technology.

Profile summary based on public USPTO records.