Inventors with similar research interests:
Location History:
- Yokohama, JP (1999 - 2015)
- Tokyo, JP (2001 - 2015)
- Beijing, CN (2009 - 2018)
- Chiyoda-ku, JP (2015 - 2018)
Company Filing History:
53 out of 4,698 
2 out of 5,289 
Years Active: 1999-2018
Title: Hidetoshi Kayama: Innovator in Communication Technology
Introduction
Hidetoshi Kayama, based in Yokohama, Japan, has made significant contributions to the field of communication technology with a remarkable portfolio of 55 patents. His innovative work primarily focuses on enhancing communication systems, particularly through improvements in Orthogonal Frequency Division Multiplexing (OFDM) schemes.
Latest Patents
Among his latest patents is a **Determination Apparatus for Determining Communication Availability and Determination Method**. This invention features a reception unit that captures a wireless signal containing an OFDM symbol. It also includes an obtaining unit that acquires a discrete sample signal by sampling the wireless signal. The correlation value calculation unit computes a correlation value based on a pre-defined time shift amount, ultimately determining communication availability by assessing whether the correlation value exhibits a peak.
Another notable patent is the **Base Station, Communication System, and Method Thereof**. This invention provides a communication system with three adjacent base stations, where each base station serves at least one User Equipment (UE). The method involves acquiring a channel matrix to determine the channel from one base station to its adjacent counterpart, calculating an interference alignment-based transmission precoding matrix, and precoding data for transmission using this matrix.
Career Highlights
Hidetoshi Kayama has worked with prominent companies such as NTT Docomo, Inc. and Nippon Telegraph and Telephone Corporation. His experience at these leading telecommunications companies has been instrumental in shaping his innovative approaches to communication technology.
Collaborations
Throughout his career, Kayama collaborated with noteworthy colleagues including Narumi Umeda and Lan Chen. These partnerships have fostered an environment of creativity and technological advancement, contributing significantly to his successful patent portfolio.
Conclusion
In summary, Hidetoshi Kayama's extensive work in developing advanced communication technologies underpins his status as a leading innovator in the field. His numerous patents reflect a commitment to pushing the boundaries of what is possible in communication systems, paving the way for future developments and enhancements.
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