Kazue Sako

This inventor holds 24 USPTO granted patents, plus 1 CIPO patent and 2 EPO patents, primarily in Cryptocurrency Systems. Top assignees: Nec Corporation, Nec Research Institute, Inc., Other. Active years: 1996-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazue Sako. Retrieved from https://idiyas.com/inventor/kazue-sako

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

Calculating rank

USPTO Granted Patents = 24

% Patents Active = 75.0

CIPO Patents = 1

EPO Patents = 2 (Patent Applications = 1)

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 377(Granted Patents)

Location History:

Kawasaki, JP (1997)
Kanagawa, JP (1996 - 2000)
Tokyo, JP (1999 - 2024)

Company Filing History:

Nec Research Institute, Inc.

patents

3 out of 834,601

Other

patents

where one patent can have more than one assignee

Years Active: 1996-2024

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Areas of Expertise:

Electronic Voting

Cryptocurrency

Data Management

Mix-net System

Anonymous Decryption

Zero-Knowledge Proving

Electronic Bidding

Secure Messaging

Key Recovery

Electronic Lottery

Transaction Server

Verification Server

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12079867 - Electronic transaction system, transaction server, verification server, method of transaction, and program (2024-09-03),

2. 11763383 - Cryptocurrency system, terminal, server, trading method of cryptocurrency, and program (2023-09-19),

3. 11212112 - System, data management method, and program (2021-12-28),

4. 10797867 - System and method for electronic bidding (2020-10-06),

5. 8583925 - Mix-net system (2013-11-12),

6. 8553889 - Mix-net system (2013-10-08),

7. 8223973 - Mix-net system (2012-07-17),

8. 7694880 - Anonymous electronic voting system and anonymous electronic voting method (2010-04-13),

9. 7672460 - Mix-net system (2010-03-02),

10. 7376833 - Anonymous decryption system, anonymous decryption method, and program (2008-05-20),

11. 7181405 - Electronic tender system (2007-02-20),

12. 7117368 - Anonymous participation authority management system (2006-10-03),

13. 7080045 - Electronic revenue stamp issuing apparatus and method thereof and recording medium stored control program thereof (2006-07-18),

14. 7003541 - Zero-knowledge proving system and method (2006-02-21),

15. 6754348 - System and method for determining winner (2004-06-22),

Title: Kazue Sako - Pioneering Inventor from Tokyo, JP

Introduction: Kazue Sako is a renowned inventor hailing from Tokyo, Japan, known for her groundbreaking contributions to the field of technology and innovation.

Latest Patents: Kazue Sako holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing her versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the tech industry, Kazue Sako has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized various sectors.

Collaborations: Throughout her career, Kazue Sako has collaborated with top companies, including tech giants and startups, to bring her innovative ideas to life and make a lasting impact on the industry.

Conclusion: Kazue Sako's passion for innovation and dedication to pushing the boundaries of technology have solidified her reputation as a trailblazing inventor in Tokyo, Japan, and beyond.

Profile summary based on public USPTO records.