Yokohama, Japan

Yosinobu Imada

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yosinobu Imada. Retrieved from https://idiyas.com/inventor/yosinobu-imada

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Yosinobu Imada: Innovator in Video Disc Technology

Introduction

Yosinobu Imada is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of video disc technology. His innovative work has led to the development of a unique servo system that enhances the functionality of video disc players.

Latest Patents

Yosinobu Imada holds a patent for a "Video disc player skip/arm servo system." This invention involves a video disc player that features an arm servo system designed to drive a pickup arm with a cartridge mounted on it. The system allows the arm to move in parallel with the surface of a disc. Additionally, it includes a kicker drive system that drives a stylus tip mounted on the cartridge based on information from a picture signal processing circuit during special reproduction. Notably, when the width of a kicker drive pulse exceeds a predetermined value, the arm servo system's drive means is activated to adjust the balance position of the stylus tip on the disc's surface. This innovation enhances the playback experience for users.

Career Highlights

Yosinobu Imada is currently employed at Hitachi, Ltd., where he continues to work on advancements in technology. His expertise in servo systems and video technology has positioned him as a key player in the industry. His contributions have not only improved existing technologies but have also paved the way for future innovations.

Collaborations

Yosinobu has collaborated with Akio Nakashima, a fellow innovator in the field. Their partnership has fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Yosinobu Imada's work in video disc technology exemplifies the spirit of innovation. His patent for the video disc player skip/arm servo system showcases his ability to enhance user experience through technological advancements. His contributions to Hitachi, Ltd. and collaborations with other inventors highlight his commitment to pushing the boundaries of technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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