Company Filing History:
1 out of 39,245 
1 out of 832,912 Years Active: 2003-2004
Title: Kazuhisa Matsushima: Innovator in Digital Audio Technology
Introduction
Kazuhisa Matsushima is a notable inventor based in Hino, Japan. He has made significant contributions to the field of digital audio technology, holding a total of 2 patents. His work focuses on enhancing the quality and efficiency of digital audio reproduction and broadcasting.
Latest Patents
Matsushima's latest patents include a "Digital audio reproducing apparatus" and a "Method, system and apparatus for transmitting, receiving, and reproducing a digital broadcast signal." The digital audio reproducing apparatus features a receiver that receives modulated data, a demodulator for demodulating this data, and an audio decoder that decodes digital audio information. Additionally, it includes an audibility corrector that addresses issues with failing digital audio information. The second patent outlines a system for digital broadcasting that employs time diversity to effectively utilize frequency bands, allowing for the transmission of both high-quality and low-quality signals.
Career Highlights
Throughout his career, Matsushima has worked with prominent companies, including Fujitsu Corporation. His experience in these organizations has contributed to his expertise in digital audio technologies and innovations.
Collaborations
Matsushima has collaborated with notable individuals in the field, including Hideaki Yokoyama and Hiroshi Okubo. These collaborations have likely enriched his work and led to advancements in digital audio technology.
Conclusion
Kazuhisa Matsushima is a distinguished inventor whose contributions to digital audio technology have made a significant impact. His innovative patents reflect his commitment to improving audio reproduction and broadcasting systems.