Tokyo, Japan

Hiroyuki Yamada

This inventor holds 71 USPTO granted patents and 13 published patent applications and 20 EPO patents, primarily in Data Management Systems (CPC class G06F). Top assignees: Murakumo Corporation, Hitachi, Ltd., Tdk Corporation. Active years: 1991-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Yamada. Retrieved from https://idiyas.com/inventor/hiroyuki-yamada-nobug6dk

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

USPTO Granted Patents = 71 

% Patents Active = 80.3

 

Average Co-Inventor Count = 2.0

ph-index = 9

Forward Citations = 239(Granted Patents)

Forward Citations (Not Self Cited) = 234(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Saku, JP (1992)
  • Kamakura, JP (2023)
  • Tokyo, JP (1991 - 2024)

Company Filing History:

goldMedal15 out of 18 
 
Murakumo Corporation
 patents
silverMedal11 out of 42,740 
 
Hitachi, Ltd.
 patents
bronzeMedal9 out of 8,267 
 
Tdk Corporation
 patents
4. 6 out of 1,508 
 
Hitachi Construction Machinery Co., Ltd.
 patents
5. 6 out of 28 
 
Scalar Corporation
 patents
6. 5 out of 2,643 
 
The Furukawa Electric Co., Ltd.
 patents
7. 4 out of 58,147 
 
Sony Corporation
 patents
8. 3 out of 3,678 
 
Kao Corporation
 patents
9. 2 out of 832 
 
Jeol Ltd.
 patents
10. 2 out of 16,618 
 
Mitsubishi Electric Corporation
 patents
11. 2 out of 4,751 
 
Mitsubishi Heavy Industries Limited
 patents
12. 2 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
13. 2 out of 164 
 
Waseda University
 patents
14. 1 out of 5 
 
Electric Industry Co., Ltd.
 patents
15. 1 out of 248 
 
Hitachi Car Engineering Co., Ltd.
 patents
16. 1 out of 54 
 
Hitachi Construction Machinery
 patents
17. 1 out of 22,006 
 
Honda Motor Co., Ltd.
 patents
18. 1 out of 3,106 
 
Konica Corporation
 patents
19. 1 out of 77 
 
Nomura Research Institute, Ltd.
 patents
20. 1 out of 4,980 
 
Oki Electric Industry Co., Ltd.
 patents
21. 1 out of 1,358 
 
The University of Tokyo
 patents
where one patent can have more than one assignee

Years Active: 1991-2026

Loading Chart...
Loading Chart...
Areas of Expertise:
Data Management
Construction Assistance
Mobile Robots
Operation Management
Risk Management
Transaction Processing
Safety Control
Tamper-Evidence
Information Processing
Remote Control Systems
Bearing Structure
Automatic Operation
71 patents (USPTO):Explore Patents

Title: Inventor Hiroyuki Yamada

Introduction: Hiroyuki Yamada is a renowned inventor based in Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroyuki Yamada holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his innovative mindset and forward-thinking approach.

Career Highlights: With over two decades of experience in the industry, Hiroyuki Yamada has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we approach complex challenges.

Collaborations: Throughout his career, Hiroyuki Yamada has collaborated with top companies in Japan and internationally, fostering a culture of innovation and knowledge sharing that has led to significant advancements in the field.

Conclusion: Hiroyuki Yamada's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and researchers, making him 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]
Loading…