This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 2012.
Company Filing History:
Years Active: 2012
Title: Innovations by Inventor Koichi Aratani
Introduction
Koichi Aratani is a notable inventor based in Yokohama, Japan. With a total of two patents to his name, Aratani has contributed significantly to the field of telecommunications and signal processing. His inventive work primarily revolves around enhancing radio communication systems, making them more efficient and reliable.
Latest Patents
Aratani's recent patents include advancements in radio base stations and radio mobile stations. The first patent describes a base station that transmits a synchronization signal, which contains a pattern of repeated SYNC's generated by dividing the FFT size by N. This intricate design inverts the polarity of the SYNC's according to a code outputted from a code generating circuit, optimizing the synchronization process for robust signal transmission.
The second patent involves an orthogonal frequency division multiplexing (OFDM) demodulator, which eliminates the need for a reference signal in ensuring carrier synchronization. This innovative OFDM demodulator performs Fourier transformations multiple times across various operation ranges for the same symbol, calculates phases from these results, and effectively detects frequency reproduction errors. These advancements promise to significantly improve communication efficiency and reliability.
Career Highlights
Koichi Aratani currently works at Hitachi, Ltd., where he applies his expertise to develop cutting-edge technologies in telecommunications. His work, characterized by its technical depth and innovative thinking, positions him as a pivotal figure in the field.
Collaborations
Throughout his career, Aratani has collaborated with esteemed colleagues, such as Hirotake Ishii and Dan Xu. These partnerships have fostered an environment of innovation, allowing for the exchange of ideas and the development of groundbreaking technologies in the industry.
Conclusion
Koichi Aratani's contributions to the field of telecommunications through his patented inventions have enhanced the efficiency and reliability of communication systems. As an inventor, his work reflects a commitment to advancing technology, promising exciting developments for the future of radio communication.