Company Filing History:
4 out of 372 
2 out of 90 
1 out of 208 
Years Active: 1995-1997
Title: Kazuhisa Hayeiwa: Innovator in Broadcasting Technology
Introduction
Kazuhisa Hayeiwa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of broadcasting technology, holding a total of 4 patents. His work has focused on enhancing audio signal processing and modulation techniques.
Latest Patents
Hayeiwa's latest patents include an FM stereo broadcasting apparatus and method. This innovative apparatus features a sampling frequency converter that processes digital input signals, allowing for high-quality audio transmission. Additionally, he has developed an amplitude modulation circuit and method that utilizes a reduced number of power amplifiers, thereby improving efficiency in digital amplitude modulation.
Career Highlights
Throughout his career, Hayeiwa has worked with notable companies such as Nippon Hoso Kyokai and Japan Radio Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to advancements in broadcasting technology.
Collaborations
Hayeiwa has collaborated with esteemed colleagues, including Hisashi Naka and Yutaka Kojima. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Kazuhisa Hayeiwa's contributions to broadcasting technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry and improve audio transmission methods.