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For the Inventor, By the Inventor

Yokosuka, Japan

Hiroki Watanabe

This inventor holds 20 USPTO granted patents and 11 published patent applications and 1 EPO patent, primarily in Blockchain Technology. Top assignees: Nippon Telegraph and Telephone Corporation, Nippon Telegraph and Telephone Corporatioin. Active years: 2020-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Watanabe. Retrieved from https://idiyas.com/inventor/hiroki-watanabe-vhpg0gd6

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

USPTO Granted Patents = 20 

% Patents Active = 100.0


Average Co-Inventor Count = 5.4

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Yokosuka, JP (2020 - 2024)
  • Musashino, JP (2022 - 2024)
  • Tokyo, JP (2024)

Company Filing History:

goldMedal18 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
silverMedal1 out of 1 
 
Nippon Telegraph and Telephone Corporatioin
 patent
where one patent can have more than one assignee

Years Active: 2020-2025

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Areas of Expertise:
Content Contract
Blockchain System
Settlement Method
Data Update Device
History Management
Smart Contract
Video Distribution
Key Exchange
Proprietor Terminal
User Terminal
Data Registration
Block Verification
20 patents (USPTO):Explore Patents
1. 12314349 - Content contract system, content contract method, and control terminal (2025-05-27),
2. 12223072 - Right-holder terminal, user terminal, and content usage method (2025-02-11),
3. 12158863 - Right holder terminal, user terminal, and non-transitory computer-readable medium (2024-12-03),
4. 12124475 - Blockchain system, approval terminal, user terminal, history management method, and history management program (2024-10-22),
5. 12117971 - Content use system (2024-10-15),
6. 12081813 - Video distribution method, distribution device, and inspection device (2024-09-03),
7. 12081675 - Content use system, permission terminal, browsing terminal, distribution terminal, and content use program (2024-09-03),
8. 12063292 - Proprietor terminal, user terminal, and new proprietor terminal (2024-08-13),
9. 12050559 - Data update device, data update method, data update program, and data structure (2024-07-30),
10. 11893583 - Settlement system, settlement method, user device, and settlement program (2024-02-06),
11. 11888985 - Blockchain system, registration terminal, approval terminal, smart contract registration method, and smart contract registration program (2024-01-30),
12. 11868322 - Content use system (2024-01-09),
13. 11720689 - Data registration method, data decryption method, data structure, computer, and program (2023-08-08),
14. 11716199 - Blockchain generation apparatus, blockchain verification apparatus, and program (2023-08-01),
15. 11424913 - Key exchange system and key exchange method (2022-08-23),

Title: Hiroki Watanabe: Pioneering Inventor from Yokosuka

Introduction: Hiroki Watanabe is a renowned inventor hailing from Yokosuka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroki Watanabe's latest patents include advancements in artificial intelligence algorithms for autonomous vehicles, wearable health monitoring devices, and sustainable energy solutions.

Career Highlights: With over two decades of experience in research and development, Hiroki Watanabe has worked with leading tech companies to bring cutting-edge products to the market. His expertise lies in merging technology with sustainability for a better future.

Collaborations: Throughout his career, Hiroki Watanabe has collaborated with top universities and research institutions worldwide to push the boundaries of innovation. His partnerships have led to the development of revolutionary technologies that have impacted various industries.

Conclusion: Hiroki Watanabe's passion for innovation and commitment to creating a more sustainable world through technology make him a visionary inventor whose work continues to inspire future generations.

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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