Company Filing History:
2 out of 39,245 
2 out of 364 
2 out of 448 
Years Active: 2006-2007
Title: Ryoichi Shimada: Innovator in Wireless Communication Systems
Introduction
Ryoichi Shimada is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of wireless communication systems. With a total of 2 patents, his work focuses on enhancing the quality and reliability of wireless communications.
Latest Patents
Shimada's latest patents include a "Line Quality Characteristic Evaluation System." This system estimates line quality characteristics under interference conditions, particularly in environments with nonlinear interference. It features a line quality estimating unit that assesses the quality of wireless communication lines based on various factors, including nonlinear distortion and thermal noise.
Another significant patent is the "Interference Measurement and Evaluation System." This system accurately estimates interference characteristics on the receiving side of wireless communications. It accounts for nonlinear interference and provides a means to evaluate the interference characteristics based on received signal levels.
Career Highlights
Throughout his career, Ryoichi Shimada has worked with prominent organizations such as Fujitsu Corporation and the National Institute of Information and Communications Technology. His experience in these institutions has allowed him to develop innovative solutions in wireless communication technology.
Collaborations
Shimada has collaborated with notable colleagues, including Isao Nakazawa and Yoshiaki Kobayashi. Their combined expertise has contributed to advancements in the field of wireless communications.
Conclusion
Ryoichi Shimada's contributions to wireless communication systems through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively.