Tokyo, Japan

Hitoshi Yanagisawa

This inventor holds 2 USPTO granted patents. Top assignee: Kabushiki Kaisha Sankyo Seiki Seisakusho. Active years: 1993-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Yanagisawa. Retrieved from https://idiyas.com/inventor/hitoshi-yanagisawa

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


% Patents Active = 100.0

Average Co-Inventor Count = 6.4

ph-index = 2

Forward Citations = 16(Granted Patents)


Company Filing History:


Years Active: 1993-1994

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2 patents (USPTO):Explore Patents

Title: Hitoshi Yanagisawa: Innovator in Magnetic Recording Technology

Introduction

Hitoshi Yanagisawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of magnetic recording technology, holding a total of 2 patents. His work focuses on enhancing the performance and reliability of recording devices.

Latest Patents

Yanagisawa's latest patents include a helical scan type rotary head drum unit. This invention relates to a rotary drum unit used in helical scan type magnetic recording and reproducing devices, such as video tape recorders and digital audio tape recorders. The design aims to ensure stable tape operation while achieving highly accurate track pattern formation. Additionally, the invention features tape position sensors that detect any dislocation of the tape, allowing for corrective movements of the rotary head to maintain alignment.

Career Highlights

Hitoshi Yanagisawa is associated with Kabushiki Kaisha Sankyo Seiki Seisakusho, where he has contributed to various innovative projects. His expertise in magnetic recording technology has positioned him as a key figure in the industry.

Collaborations

Throughout his career, Yanagisawa has collaborated with talented individuals such as Daiichirou Katou and Toshihiko Okina. These partnerships have fostered a creative environment that has led to advancements in their field.

Conclusion

Hitoshi Yanagisawa's contributions to magnetic recording technology through his patents demonstrate his innovative spirit and commitment to improving recording devices. His work continues to influence the industry and inspire future advancements.

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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