This inventor holds 13 USPTO granted patents and 4 EPO patents. Top assignee: Nippon Telegraph and Telephone Corporation. Active years: 1998-2017.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kanagawa, JP (1998)
- Musashino, JP (2015)
- Yokosuka, JP (1998 - 2017)
Company Filing History:
Years Active: 1998-2017
Title: Tadao Nakagawa: Innovator in Coherent Communication Systems
Introduction
Tadao Nakagawa is a prominent inventor based in Yokosuka, Japan. He has made significant contributions to the field of communication technology, particularly in coherent communication systems. With a total of 13 patents to his name, Nakagawa's work has advanced the understanding and implementation of optical signal transmission methods.
Latest Patents
Among his latest patents, Nakagawa has developed a coherent communication system that includes a method for estimating chromatic dispersion using a training signal sequence. This innovative approach allows for the generation of training signal sequences with power concentrated in multiple frequency bands. The process involves selecting a training signal sequence, multiplexing it with a transmission data sequence, and converting the resulting signal into an optical signal for transmission. Additionally, his patents cover methods for signal position detection, frequency offset compensation, and chromatic dispersion estimation, enhancing the reliability of communication systems that utilize optical signals.
Career Highlights
Tadao Nakagawa is affiliated with Nippon Telegraph and Telephone Corporation, where he has been instrumental in developing cutting-edge communication technologies. His expertise in coherent detection and optical signal processing has positioned him as a leader in the field. His work not only contributes to advancements in telecommunications but also supports the growing demand for high-speed data transmission.
Collaborations
Throughout his career, Nakagawa has collaborated with notable colleagues, including Koichi Ishihara and Riichi Kudo. These partnerships have fostered innovation and have led to the successful development of various communication technologies.
Conclusion
Tadao Nakagawa's contributions to coherent communication systems have significantly impacted the field of telecommunications. His innovative patents and collaborative efforts continue to drive advancements in optical signal transmission, making him a key figure in modern communication technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile