Hiroshi Kishida

Title: Hiroshi Kishida: Innovator in Digital Signal Processing

Introduction

Hiroshi Kishida is a notable inventor based in Hachiouji, Japan. He has made significant contributions to the field of digital signal processing, holding a total of 3 patents. His work focuses on enhancing the efficiency and quality of digital audio systems.

Latest Patents

Kishida's latest patents include a digital information system, a digital audio signal processor, and a signal converter. The digital information system is designed to facilitate the sale of information in the form of digital signals. It allows for the direct connection of a digital signal source to a player, enabling the storage and independent reproduction of specified information. The audio processor and signal processor work in tandem with this system, allowing for slow and fast playback of digital audio signals without compromising sound quality. Additionally, the system features a data compressor and extender, making it user-friendly and economically viable.

His feedforward amplifier patent enhances the accuracy of error signal extraction while preventing the outflow of pilot signals. This innovation includes a switch that operates during error signal extraction and elimination, further improving the overall performance of the amplifier.

Career Highlights

Hiroshi Kishida is currently employed at Hitachi, Ltd., where he continues to develop innovative technologies in digital signal processing. His work has significantly impacted the way digital audio systems are designed and utilized.

Collaborations

Kishida has collaborated with notable coworkers such as Ken Takei and Hiroshi Okabe, contributing to various projects that enhance the capabilities of digital systems.

Conclusion

Hiroshi Kishida's contributions to digital signal processing through his patents and work at Hitachi, Ltd. highlight his role as a key innovator in the field. His advancements continue to shape the future of digital audio technology.