Takayuki Nagai

This inventor holds 65 USPTO granted patents and 18 published patent applications, plus 1 CIPO patent and 4 EPO patents, primarily in Data Management Systems (CPC class H01L). Top assignees: Hitachi, Ltd., Renesas Electronics Corporation, Aqua Co., Ltd. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takayuki Nagai. Retrieved from https://idiyas.com/inventor/takayuki-nagai

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

USPTO Granted Patents = 65 (Patent Applications = 18)

% Patents Active = 43.1

CIPO Patents = 1

EPO Patents = 4 (Patent Applications = 15)

Average Co-Inventor Count = 2.9

ph-index = 9

Forward Citations = 518(Granted Patents)

Forward Citations (Not Self Cited) = 504(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Amagasaki, JP (1996 - 1999)
Yokohama, JP (2008 - 2012)
Kanagawa, JP (2011 - 2012)
Machida, JP (2008 - 2016)
Kawasaki, JP (2013 - 2017)
Shizuoka, JP (1999 - 2020)
Tokyo, JP (1998 - 2023)

Company Filing History:

Renesas Electronics Corporation

Mitsubishi Denki Kabushiki Kaisha

Qingdao Haier Washing Machine Co., Ltd.

patents

7. 2 out of 102

The Kitasato Institute

patents

8. 1 out of 22,006

Honda Motor Co., Ltd.

patents

9. 1 out of 308

Kayaba Industry Company, Ltd.

patents

10. 1 out of 7

Qingdao Haier Washing Machine., Ltd.

patents

11. 1 out of 195

Seikagaku Corporation

patents

12. 1 out of 36

Yamaha Motor Power Products Kabushiki Kaisha

patents

13. 1 out of 834,513

Other

patents

where one patent can have more than one assignee

Years Active: 1996-2026

Loading Chart...

Areas of Expertise:

Transaction Management

Data Migration

Operation Management

Distributed Ledger

Root Cause Analysis

Computer System

Performance Management

Semiconductor Device

Clothing Treatment

Image Capturing

Dynamic Assignment

Electrostatic Discharge

65 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12619984 - Transaction management system and transaction management method (2026-05-05),

2. 11573975 - Data migration method, data migration system, and node (2023-02-07),

3. 11514443 - Operation management method, operation management system, and operation management program (2022-11-29),

4. 11373173 - Distributed ledger system, distributed ledger subsystem, and distributed ledger node (2022-06-28),

5. 11126945 - Organization management support system, organization management support method, and organization management support apparatus (2021-09-21),

6. 10876243 - Drum-type washing machine (2020-12-29),

7. 10730566 - Vehicle (2020-08-04),

8. 10508383 - Clothing treatment device (2019-12-17),

9. 10469889 - Information distribution device, information reception device, system, program, and method (2019-11-05),

10. 10410868 - Semiconductor device and method of manufacturing semiconductor device (2019-09-10),

11. 10184209 - Clothing treatment apparatus (2019-01-22),

12. 10172969 - Clothes treating device (2019-01-08),

13. 10086103 - Clothing treatment apparatus (2018-10-02),

14. 9984884 - Method of manufacturing semiconductor device with a multi-layered gate dielectric (2018-05-29),

15. 9628360 - Computer management system based on meta-rules (2017-04-18),

Title: Innovations and Contributions of Takayuki Nagai in Data Management

Introduction

Takayuki Nagai is a prominent inventor based in Machida, Japan, known for his significant contributions to the fields of data migration and operation management within distributed ledger systems. With an impressive portfolio of 64 patents, his work exemplifies the cutting-edge advancements in data management technologies.

Latest Patents

Nagai's latest patents reflect his expertise in data migration and operation management. Notably, his data migration method and system facilitate the seamless transfer of transaction information across distributed ledger nodes. The system features a management server that obtains transaction data from the source ledger and a receiving node that executes transactions using extracted data. Additionally, his operation management system enhances consistency and coordination among multiple administrators managing operations within distributed ledgers, ensuring efficient transaction execution.

Career Highlights

Throughout his career, Takayuki Nagai has worked with leading technology companies, including Hitachi, Ltd. and Renesas Electronics Corporation. His roles in these notable organizations have allowed him to contribute to the development of innovative solutions in data management and distributed ledger technology.

Collaborations

Nagai's collaborative efforts with esteemed colleagues such as Masayasu Asano and Masataka Nagura have played a crucial role in his successful projects. Together, they have contributed to advancements that push the boundaries of data migration and operation management in distributed systems.

Conclusion

In summary, Takayuki Nagai's extensive experience and innovative patents position him as a key figure in data management technologies. His contributions not only enhance the efficiency of distributed ledger systems but also pave the way for future advancements in the field. As technology continues to evolve, the significance of his work will likely resonate within the industry for years to come.

Profile summary based on public USPTO records.