Katsumi Okamura

This inventor holds 78 USPTO granted patents and 22 published patent applications, plus 11 CIPO patents and 56 EPO patents, primarily in Cubic Boron Nitride (CPC class C04B). Top assignees: Sumitomo Electric Hardmetal Corp., Sumitomo Electric Industries, Limited, A.l.m.t. Corporation. Active years: 2006-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Okamura. Retrieved from https://idiyas.com/inventor/katsumi-okamura

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

USPTO Granted Patents = 78 (Patent Applications = 22)

% Patents Active = 97.4

CIPO Patents = 11 (Patent Applications = 9)

EPO Patents = 56 (Patent Applications = 72)

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 147(Granted Patents)

Forward Citations (Not Self Cited) = 118(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Itami, JP (2006 - 2022)
Hyogo, JP (2009 - 2024)
Osaka, JP (2021 - 2024)

Company Filing History:

62 out of 597

Sumitomo Electric Hardmetal Corp.

patents

47 out of 10,631

Sumitomo Electric Industries, Limited

National Institute of Advanced Industrial Science and Technology

patents

where one patent can have more than one assignee

Years Active: 2006-2026

Loading Chart...

Areas of Expertise:

Cubic Boron Nitride

Sintered Material

Cutting Tool

Super-Abrasive Grains

Cemented Carbide

Composite Sintered Material

Tungsten Carbide

Manufacturing Method

Abrasive Grains

Zirconia

Alloy Powder

78 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12741912 - Cubic boron nitride sintered material and tool (2026-09-22),

2. 12709788 - CEMENTED CARBIDE AND CUTTING TOOL (2026-08-18),

3. 12698549 - Cemented carbide (2026-08-04),

4. 12692580 - Cemented carbide (2026-07-28),

5. 12571079 - Cubic boron nitride sintered material and tool (2026-03-10),

6. 12569917 - Cutting tool (2026-03-10),

7. 12428585 - Coated super-abrasive grains, abrasive grains, and wheel (2025-09-30),

8. 12410103 - Cubic boron nitride sintered material and cutting tool (2025-09-09),

9. 12163207 - Cubic boron nitride sintered material and cutting tool including same (2024-12-10),

10. 12070802 - Sintered material and cutting tool including same (2024-08-27),

11. 12054813 - Method of producing cubic boron nitride sintered material, cubic boron nitride sintered material, and cutting tool including cubic boron nitride sintered material (2024-08-06),

12. 11959156 - Cubic boron nitride sintered material and cutting tool including same (2024-04-16),

13. 11951550 - Cemented carbide and tool containing the same (2024-04-09),

14. 11920222 - Composite sintered material (2024-03-05),

15. 11858049 - Cemented carbide and tool containing the same (2024-01-02),

Title: The Innovative Journey of Katsumi Okamura

Introduction: Katsumi Okamura, a pioneering inventor hailing from Itami, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Katsumi Okamura's latest patents include cutting-edge advancements in robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to shaping a more efficient and sustainable future.

Career Highlights: With a career spanning over two decades, Katsumi Okamura has established himself as a visionary in the field of technology. His work has not only revolutionized industries but has also inspired a new generation of inventors to push the boundaries of what is possible.

Collaborations: Throughout his career, Katsumi Okamura has collaborated with leading research institutions, universities, and tech companies to bring his ideas to life. His ability to work across disciplines and industries has led to the development of innovative solutions that have had a lasting impact.

Conclusion: Katsumi Okamura's relentless pursuit of innovation and his passion for creating a better world through technology make him a true pioneer in the field of inventions. His work continues to inspire and shape the future of technology, leaving a lasting legacy for generations to come.

Profile summary based on public USPTO records.