Yasuhiko Niiro

This inventor holds 14 USPTO granted patents. Top assignees: Kokusai Denshin Denwa Kabushiki Kaisha, Kokusai Denshin Denwa Co., Ltd.. Active years: 1977-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuhiko Niiro. Retrieved from https://idiyas.com/inventor/yasuhiko-niiro

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

USPTO Granted Patents = 14

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 11

Forward Citations = 218(Granted Patents)

Location History:

Tokyo, JA (1977)
Yokohma, JP (1981)
Yokohama, JP (1980 - 1987)
Kanagawa, JP (1987)

Company Filing History:

8 out of 339

Kokusai Denshin Denwa Kabushiki Kaisha

patents

6 out of 226

Kokusai Denshin Denwa Co., Ltd.

patents

Years Active: 1977-1987

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4710976 - Optical repeater monitoring system (1987-12-01),

2. 4708427 - Optical submarine cable connection (1987-11-24),

3. 4490009 - Optical fiber submarine cable (1984-12-25),

4. 4432605 - Optical fiber submarine cable (1984-02-21),

5. 4422718 - Submarine optical fiber cable (1983-12-27),

6. 4411520 - Light dispersion measuring apparatus (1983-10-25),

7. 4313224 - Monitoring system of an optical power in an optical repeater (1982-01-26),

8. 4304489 - System for measuring an optical loss in a single mode optical fiber (1981-12-08),

9. 4300239 - Optical repeater monitoring system (1981-11-10),

10. 4296996 - Feedthrough for optical fiber (1981-10-27),

11. 4278850 - Monitoring system for optical transmission line repeaters (1981-07-14),

12. 4257675 - Optical-fiber submarine cable and manufacturing method thereof (1981-03-24),

13. 4201959 - Automatic equalization system (1980-05-06),

14. 4028644 - System equalization for repeatered submarine cable system (1977-06-07),

Title: Yasuhiko Niiro: Innovator in Optical Technology

Introduction

Yasuhiko Niiro is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical technology, holding a total of 14 patents. His work focuses on enhancing optical communication systems, particularly in the areas of monitoring and submarine cable connections.

Latest Patents

Niiro's latest patents include an optical repeater monitoring system. This system features a pair of in-service monitoring circuits that utilize flip-flops to divide the frequency of transmission data. It is designed to detect parity errors and count them in an opposite line, ensuring reliable data transmission. Another notable patent is for an optical submarine cable connection. This invention describes an anchoring structure that connects an optical submarine repeater to a cable joint box, utilizing a cylindrical pressure-proof layer and a conical anchor member for enhanced durability and performance.

Career Highlights

Throughout his career, Niiro has worked with notable companies such as Kokusai Denshin Denwa Kabushiki Kaisha and Kokusai Denshin Denwa Co., Ltd. His experience in these organizations has allowed him to develop innovative solutions that address the challenges in optical communication.

Collaborations

Niiro has collaborated with esteemed colleagues, including Hiroharu Wakabayashi and Yoshihiro Ejiri. These partnerships have contributed to the advancement of his inventions and the overall progress in the field of optical technology.

Conclusion

Yasuhiko Niiro's contributions to optical technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence advancements in optical communication systems.

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]