Tokyo, Japan

Shozo Makagawa

This inventor holds 1 USPTO granted patent. Top assignees: Asaka Company Limited, Nikon Corporation. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shozo Makagawa. Retrieved from https://idiyas.com/inventor/shozo-makagawa

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 = 3.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: The Innovations of Shozo Makagawa

Introduction

Shozo Makagawa is a notable inventor based in Tokyo, Japan. He is recognized for his contributions to the field of opto-magnetic technology. His innovative work has led to the development of a unique recording and reproducing apparatus that utilizes opto-magnetic discs.

Latest Patents

Makagawa holds a patent for a "Recording and/or reproducing apparatus using opto-magnetic disc." This apparatus is designed for recording and reproducing signals through an opto-magnetic disc. It features an erasing and reproducing opto-magnetic head unit with both outer and inner heads, as well as a recording and reproducing opto-magnetic head unit. The design includes a first slider mechanism for moving the erasing and reproducing head unit radially, and a second slider mechanism for the recording and reproducing head unit. Notably, the two head units are separated by approximately 180 degrees.

Career Highlights

Throughout his career, Shozo Makagawa has worked with prominent companies, including Asaka Company Limited and Nikon Corporation. His experience in these organizations has contributed significantly to his expertise in opto-magnetic technologies.

Collaborations

Makagawa has collaborated with several talented individuals in his field, including Shunichi Onishi and Akihiro Takagi. These collaborations have fostered innovation and advancement in the technologies they have worked on together.

Conclusion

Shozo Makagawa's contributions to the field of opto-magnetic technology are noteworthy. His patent for a recording and reproducing apparatus showcases his innovative spirit and technical expertise. His collaborations and career experiences further highlight his impact on the industry.

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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