Ryu Yokoyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical transmission systems, holding a total of 9 patents. His work focuses on enhancing the efficiency and reliability of optical communication technologies.

Latest Patents

One of Ryu Yokoyama's latest patents is an innovative optical transmission system and optical amplification method. This system utilizes multiple light sources for Raman amplification. It addresses the issue of potential failures in pumping light sources. Even when a failure occurs in one of the light sources, the system ensures that the signal light output level and its wavelength characteristics remain unaffected at the final stage. This design minimizes the number of components required in the system, thereby reducing costs. The system employs a unique configuration where the first to 'n-1' light sources do not have spare pumping light sources, while the 'n' light source provides these spares. When a failure occurs, the spare pumping light source activates to restore the signal light output to its normal state.

Career Highlights

Ryu Yokoyama is associated with NEC Corporation, a leading technology company known for its innovations in information technology and communications. His work at NEC has allowed him to develop cutting-edge solutions that enhance optical transmission systems.

Collaborations

Ryu has collaborated with notable colleagues, including Takaaki Ogata and Shuji Yamashita. Their combined expertise has contributed to advancements in optical technologies.

Conclusion

Ryu Yokoyama's contributions to optical transmission systems exemplify his innovative spirit and dedication to improving communication technologies. His patents reflect a commitment to enhancing system reliability and efficiency, making a significant impact in the field.

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