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Ryo Kikuchi

This inventor holds 42 USPTO granted patents and 6 published patent applications and 30 EPO patents, primarily in Secure Computation. Top assignees: Nippon Telegraph and Telephone Corporation, Ntt Corporation, Casio Computer Co., Ltd.. Active years: 2016-2026.

USPTO Granted Patents = 42 (Patent Applications = 6)

% Patents Active = 97.6

EPO Patents = 30 (Patent Applications = 27)

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 21(Granted Patents)

Location History:

Hachioji, JP (2019 - 2020)
Tokyo, JP (2016 - 2024)
Musashino, JP (2018 - 2024)

Company Filing History:

32 out of 5,300

Nippon Telegraph and Telephone Corporation

Casio Computer Co., Ltd.

patents

4. 2 out of 16,539

Mitsubishi Electric Corporation

patents

Years Active: 2016-2026

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Areas of Expertise:

Secure Computation

Encrypted Data Analysis

Statistical Processing

Secret Calculation

Clustering Apparatus

Voting System

Share Generating Device

Tampering Detection

Random Number Synthesis

Multi-Party Authentication

Circuit Concealing

Secret Sharing

42 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12688321 - Secure cluster calculation system, secure cluster calculation apparatus, secure cluster calculation method, and program (2026-07-21),

2. 12619433 - Secret calculation system, apparatus, method and program (2026-05-05),

3. 12541538 - Clustering apparatus, clustering method, and program (2026-02-03),

4. 12518656 - Secret sigmoid function calculation system, secret logistic regression calculation system, secret sigmoid function calculation apparatus, secret logistic regression calculation apparatus, secret sigmoid function calculation method, secret logistic regression calculation method and program (2026-01-06),

5. 12512973 - Secret maximum value calculation apparatus, method and program (2025-12-30),

6. 12412487 - Secret calculation system, apparatus, method and program (2025-09-09),

7. 12333039 - Secret hash table construction system, reference system, methods for the same (2025-06-17),

8. 12189807 - Encrypted data analysis device, encrypted data analysis method, and program (2025-01-07),

9. 12095906 - Secret survival data processing system, secret survival data processing apparatus, secret survival data processing method, and program (2024-09-17),

10. 12081655 - Secret sigmoid function calculation system, secret logistic regression calculation system, secret sigmoid function calculation apparatus, secret logistic regression calculation apparatus, secret sigmoid function calculation method, secret logistic regression calculation method, and program (2024-09-03),

11. 11900735 - Voting system, vote relay server, client terminal, voting method, advertisement distribution system, and program (2024-02-13),

12. 11888977 - Share generating device, share converting device, secure computation system, share generation method, share conversion method, program, and recording medium (2024-01-30),

13. 11888973 - Secure joining system, method, secure computing apparatus and program (2024-01-30),

14. 11880489 - Secret statistical processing systems, methods, statistical processing apparatus and program (2024-01-23),

15. 11818254 - Share generating device, reconstructing device, secure computation system, share generation method, reconstruction method, program, and recording medium (2023-11-14),

Title: Innovations of Ryo Kikuchi: Pioneering Encrypted Data Solutions

Introduction: Ryo Kikuchi, based in Musashino, Japan, is a prolific inventor with an impressive portfolio of 35 patents. His work focuses on advancing technologies in data encryption and analysis, emphasizing the importance of security and data management in today's digital landscape.

Latest Patents: Ryo Kikuchi's recent contributions to the field include several groundbreaking patents. Among them are:

1. **Encrypted Data Analysis Device** - This invention features a sorting unit for an encrypted data set that organizes data by time information and user ID. The device also includes an encoding unit that generates flow data and an equal sign determination unit that checks for user ID equality, enhancing the reliability of data sorting.

2. **Secret Survival Data Processing System** - This innovative system is designed to compute the number of survivors and deaths while concealing survival time data. It employs a group data position calculation mechanism and a group data number calculation means to analyze survival time data effectively without compromising sensitive information.

Career Highlights: Ryo Kikuchi has made significant strides in his career, working with well-known companies such as Nippon Telegraph and Telephone Corporation and Casio Computer Co., Ltd. His experience in these organizations has honed his skills in advanced data processing and encryption technologies, leading to his innovative inventions.

Collaborations: Throughout his career, Ryo has collaborated with notable colleagues such as Dai Ikarashi and Koki Hamada. Together, they have contributed to various projects, fostering a collaborative environment that encourages innovation and creativity in technology.

Conclusion: Ryo Kikuchi continues to be a vital figure in the field of encrypted data solutions. His extensive research and patents reflect a commitment to enhancing data security and efficiency. As innovations in technology evolve, Ryo's work will undoubtedly play a crucial role in shaping the future of data management and analysis.

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