Ryo Igarashi

USPTO Granted Patents = 61 (Patent Applications = 4)

CIPO Patents = 2

EPO Patents = 7 (Patent Applications = 7)

Average Co-Inventor Count = 1.4

ph-index = 23

Forward Citations = 1,291(Granted Patents)

Forward Citations (Not Self Cited) = 1,286(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Yokohama, JP (2006 - 2021)
Kanagawa, JP (2015 - 2021)
Tokyo, JP (2005 - 2022)
Susono, JP (2020 - 2022)
Tokyo-to, JP (2023)
Chofu, JP (2022 - 2024)
Musashino, JP (2023 - 2024)

Company Filing History:

Nippon Telegraph and Telephone Corporation

patents

13 out of 36,653

Toyota Jidosha Kabushiki Kaisha

patents

4. 1 out of 22,541

Amazon Technologies, Inc.

patents

Years Active: 2005-2025

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Areas of Expertise:

Optical Communication

Map Data Updating

Location Estimation

Optical Transmission

Remote Monitoring

Autonomous Driving

Optical Reception

Data Transmission

Optical Amplification

Branch Ratio Calculation

Chair Design

Vehicle Control

61 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12437015 - Object identification and search range adjustment method and apparatus (2025-10-07),

2. 12368508 - Optical access system, optical transmitter, optical receiver, optical transmission method and demodulation method (2025-07-22),

3. 12283993 - Branch ratio calculation method, branch ratio calculation device and computer program (2025-04-21),

4. 12273147 - Coherent optical reception device and coherent optical reception method (2025-04-08),

5. 12206461 - Optical feeding system (2025-01-21),

6. 12199664 - Light leakage confirmation method, light leakage confirmation apparatus and program (2025-01-14),

7. 12160274 - Optical receiving device and optical receiving method (2024-12-03),

8. 12143157 - Branch ratio setting system, method for producing optical communication system and optical branch device (2024-11-12),

9. 12119869 - Optical amplification estimation method, optical amplification estimation apparatus and computer program (2024-10-15),

10. 12047710 - Remote monitoring device, remote monitoring system, and remote monitoring method (2024-07-23),

11. 12021567 - Optical receiving device and clock synchronization method (2024-06-25),

12. 11933629 - Map data updating device and storage medium storing computer program for map data updating (2024-03-19),

13. 11870497 - Optical receiving apparatus, optical transmission system, optical transmission method and computer program (2024-01-09),

14. 11863211 - Optical communication system and optical communication method (2024-01-02),

15. 11828602 - Location estimating device, storage medium storing computer program for location estimation and location estimating method (2023-11-28),

Title: Ryo Igarashi: Pioneering Inventor from Yokohama

Introduction: Ryo Igarashi is a distinguished inventor hailing from Yokohama, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Ryo Igarashi holds several patents in the areas of robotics, artificial intelligence, and renewable energy, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the tech industry, Ryo Igarashi has worked with leading companies to develop cutting-edge solutions that have revolutionized various sectors.

Collaborations: Throughout his career, Ryo Igarashi has collaborated with top researchers, engineers, and scientists globally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Ryo Igarashi's passion for innovation and his relentless pursuit of excellence continue to inspire the next generation of inventors and shape the future of technology.

This text is generated by artificial intelligence and may not be accurate.