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For the Inventor, By the Inventor

Tokyo, Japan

Yuichiro Tokunaga

This inventor holds 84 USPTO granted patents and 13 published patent applications and 36 EPO patents, primarily in Sliding Components (CPC class F16J15-3412). Top assignees: Eagle Industry Co., Ltd., Eagle Industry Co., Ltd., Nok Corporation. Active years: 2014-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichiro Tokunaga. Retrieved from https://idiyas.com/inventor/yuichiro-tokunaga

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

USPTO Granted Patents = 84 

% Patents Active = 95.2

 

Average Co-Inventor Count = 2.8

ph-index = 16

Forward Citations = 807(Granted Patents)

Forward Citations (Not Self Cited) = 411(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Minato-Ku, JP (2015)
  • Tokyo, JP (2014 - 2024)

Company Filing History:

goldMedal80 out of 543 
 
Eagle Industry Co., Ltd.
 patents
silverMedal4 out of 22 
 
Eagle Industry Co., Ltd.
 patents
bronzeMedal1 out of 816 
 
Nok Corporation
 patents
where one patent can have more than one assignee

Years Active: 2014-2026

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Areas of Expertise:
Sliding Component
Seal Device
Eccentric Assembly
Dynamic Pressure
Sliding Member
Seal Ring
Sealing Member
Pressure Generation
Mechanical Design
Assembly Technology
Engineering Solutions
Component Innovation
84 patents (USPTO):Explore Patents
1. 12723656 - Sliding component (2026-09-01),
2. RE50849 - Sliding component (2026-03-31),
3. 12590604 - Sliding component (2026-03-31),
4. 12584556 - Sliding member (2026-03-24),
5. 12516737 - Sliding component (2026-01-06),
6. 12510162 - Sliding component (2025-12-30),
7. 12385567 - Sliding component (2025-08-12),
8. 12379031 - Sliding member (2025-08-05),
9. 12152631 - Sliding member (2024-11-26),
10. 12135030 - Sliding component (2024-11-05),
11. 12110923 - Sliding component (2024-10-08),
12. 12104598 - Eccentric sliding assembly with a plurality of dynamic pressure generation mechanisms (2024-10-01),
13. 12060909 - Sliding component (2024-08-13),
14. 12049962 - Sliding component (2024-07-30),
15. 12038087 - Sliding component (2024-07-16),

Title: The Innovative Journey of Yuichiro Tokunaga

Introduction: Yuichiro Tokunaga is a visionary inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yuichiro Tokunaga holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Tokunaga has worked with leading tech companies in Japan, spearheading research and development projects that have led to the creation of cutting-edge products and solutions.

Collaborations: Throughout his career, Yuichiro Tokunaga has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing in the industry.

Conclusion: Yuichiro Tokunaga's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and technologists, solidifying his legacy as a true pioneer in the world of technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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