Toshio Kirihara

Title: Innovations by Toshio Kirihara

Introduction

Toshio Kirihara is a notable inventor based in Kokubunji, Japan. He has made significant contributions to the field of optical distribution systems, holding a total of 3 patents. His work focuses on enhancing the efficiency and effectiveness of optical information signal distribution.

Latest Patents

Kirihara's latest patents include an innovative optical distribution system that utilizes time switches. This system allows optical paths to propagate multiple optical information signals while intersecting paths transmit light signals to various subscribers. The design incorporates light power dividing and propagation direction changing devices, which are strategically arranged at the intersecting points. These devices separate the requested optical information signals, and any losses incurred during separation are compensated by optical amplification. This ensures that the signals maintain a predetermined intensity, allowing the same photosignal to be distributed to multiple subscribers. Furthermore, the system is designed for easy expansion, accommodating increases in both the number of optical information signals and subscribers.

Career Highlights

Toshio Kirihara is currently employed at Hitachi, Ltd., where he continues to innovate in the field of optical technologies. His work has been instrumental in advancing the capabilities of optical distribution systems, making them more efficient and scalable.

Collaborations

Throughout his career, Kirihara has collaborated with esteemed colleagues such as Shigeki Kitajima and Hiroaki Inoue. These collaborations have contributed to the development of cutting-edge technologies in optical distribution.

Conclusion

Toshio Kirihara's contributions to optical distribution systems exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the efficiency of optical information signal distribution, benefiting numerous subscribers and industries.