Hiroshi Usami

Title: Hiroshi Usami: Innovator in Wireless Communication

Introduction

Hiroshi Usami is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of wireless communication, holding a total of 3 patents. His work focuses on enhancing communication systems through innovative methods and technologies.

Latest Patents

One of Hiroshi Usami's latest patents is a wireless communication method and system using a beam direction-variable antenna. This invention involves an antenna module with multiple antenna elements that synthesize signals based on a desired beam pattern. The system includes a demodulator that selects signals from wireless terminals and determines the transmission beam direction. Additionally, a weighting circuit generates coefficients for setting beam patterns and transmission directions, facilitating efficient communication. Another significant patent is related to a time-division multiple-access communication system. This system adapts to various communication environments, allowing mobile stations to operate under different sets of communication conditions, ensuring flexibility and efficiency in wireless communication.

Career Highlights

Hiroshi Usami has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has contributed to his expertise in developing advanced communication technologies. His career reflects a commitment to innovation and excellence in the field of wireless communication.

Collaborations

Throughout his career, Hiroshi has collaborated with notable individuals such as Toshiro Suzuki and Ken Takei. These collaborations have likely enriched his work and contributed to the development of his patents.

Conclusion

Hiroshi Usami's contributions to wireless communication through his patents and career achievements highlight his role as an influential inventor. His innovative approaches continue to shape the future of communication technology.