Company Filing History:
Years Active: 1999-2008
Title: The Innovations of Yoshio Kunisawa
Introduction
Yoshio Kunisawa is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of communication technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and reliability of communication systems.
Latest Patents
Kunisawa's latest patents include a frequency error correction device and an OFDM receiver with the device. This frequency error correction device is designed for an OFDM receiver that receives signals with a preamble section and a payload section containing pilot carriers. The device features a first frequency correction unit that addresses relative phase errors based on frequency errors detected in the preamble section. Additionally, a second frequency correction unit corrects remaining phase errors using pilot carriers in the frequency domain. Another significant patent is for a communication apparatus and method used in digital cordless telephone systems, such as personal headphone systems. This apparatus allows local mode subscribers to receive incoming call signals from public base stations, ensuring seamless communication even when set to local mode.
Career Highlights
Throughout his career, Yoshio Kunisawa has worked with prominent companies, including KDDI Corporation and Sony Corporation. His experience in these organizations has contributed to his expertise in communication technologies and innovations.
Collaborations
Some of his notable coworkers include Takeo Ohseki and Masato Furudate. Their collaboration has likely played a role in advancing the projects they have worked on together.
Conclusion
Yoshio Kunisawa's contributions to communication technology through his patents and collaborations highlight his innovative spirit and dedication to improving communication systems. His work continues to influence the field and pave the way for future advancements.