Company Filing History:
Years Active: 2001-2011
Title: Innovations of Yoshitaka Yokoyama in Optical Communication
Introduction
Yoshitaka Yokoyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of optical communication, holding a total of 5 patents. His work focuses on enhancing signal transmission methods and devices, which are crucial for modern communication systems.
Latest Patents
Yokoyama's latest patents include an optical communication method, an optical communication device, and an optical communication system. The optical communication method relates to controlling wavelength switching in multiple nodes to increase the distance of signal transmission in inverse MUX transmission. This method measures the maximum skew occurring between adjacent nodes and performs wavelength channel switching based on this measurement to maintain the skew within a prescribed value. The optical communication device features an NNI functional block for high-speed lines and a UNI functional block for low-speed lines. Additionally, he has developed an optical receiver and transceiver that operates at a high bit rate of approximately 10 Gbps over distances of 100 km or more without the need for chromatic dispersion compensation.
Career Highlights
Yokoyama is currently employed at NEC Corporation, where he continues to innovate in the field of optical communication. His work has been instrumental in developing technologies that enhance the efficiency and effectiveness of data transmission.
Collaborations
Yokoyama collaborates with notable colleagues such as Koji Kudo and Masayoshi Tsuji, contributing to a dynamic research environment that fosters innovation.
Conclusion
Yoshitaka Yokoyama's contributions to optical communication technology are noteworthy and reflect his commitment to advancing the field. His patents demonstrate a deep understanding of complex communication systems and their practical applications.