This inventor holds 2 USPTO granted patents, plus 1 CIPO patent. Top assignee: Nippon Telegraph and Telephone Corporation. Active years: 2004-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (2004)
- Yokosuka, JP (2011)
Company Filing History:
Years Active: 2004-2011
Title: Hiroshi Kazama: Innovator in Digital Signal Processing
Introduction
Hiroshi Kazama is a prominent inventor based in Yokosuka, Japan. He has made significant contributions to the field of digital signal processing, holding a total of 2 patents. His work focuses on advanced technologies that enhance the efficiency and effectiveness of digital communication systems.
Latest Patents
Kazama's latest patents include a digital signal demultiplexing device and a variable transmission rate digital modem with a multi-rate filter bank. The digital signal demultiplexing device features a frequency digital signal demultiplexing apparatus that incorporates demultiplexing filter bank units arranged in a multistage manner. Each unit is designed with filters for input signal processing, down-sampling capabilities, and frequency conversion components. This innovative design allows for improved signal processing and transmission efficiency.
The variable transmission rate digital modem utilizes serially-connected 2-demultiplexing filter banks, which include band-stop filters and down-samplers. This configuration enables the system to manage sampling frequencies effectively, ensuring that signals processed through various filters are handled in a systematic manner. The arrangement of filter banks allows for optimal signal processing, enhancing the overall performance of digital communication systems.
Career Highlights
Hiroshi Kazama is currently employed at Nippon Telegraph and Telephone Corporation, where he continues to develop cutting-edge technologies in digital signal processing. His work has been instrumental in advancing the capabilities of modern communication systems, making them more efficient and reliable.
Collaborations
Kazama has collaborated with notable colleagues, including Kiyoshi Kobayashi and Kazuhiro Tanabe. These partnerships have fostered innovation and contributed to the successful development of his patented technologies.
Conclusion
Hiroshi Kazama's contributions to digital signal processing through his patents and work at Nippon Telegraph and Telephone Corporation highlight his role as a key innovator in the field. His advancements continue to shape the future of digital communication technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile