Hyogo, Japan

Yoshio Onizawa

This inventor holds 5 USPTO granted patents. Top assignee: Daicel Chemical Industries, Ltd.. Active years: 1986-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Onizawa. Retrieved from https://idiyas.com/inventor/yoshio-onizawa

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 = 2.5

ph-index = 4

Forward Citations = 44(Granted Patents)


Company Filing History:


Years Active: 1986-1991

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5 patents (USPTO):Explore Patents

Title: Innovations of Yoshio Onizawa

Introduction

Yoshio Onizawa is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of optical data storage, holding a total of 5 patents. His work focuses on the development of advanced plastic substrates for optical disks, which are essential for high-density data storage and retrieval.

Latest Patents

Onizawa's latest patents include a process for producing a plastic substrate for optical disks. This invention involves a recording medium characterized by a specific relationship between the refractive index in different directions of the substrate. Another significant patent is for a plastic substrate for optical disks, which also emphasizes the relationship between the refractive indexes in various directions, enhancing the efficiency of data storage.

Career Highlights

Yoshio Onizawa is currently employed at Daicel Chemical Industries, Ltd., where he continues to innovate in the field of optical technology. His expertise has led to advancements that improve the performance and reliability of optical data storage solutions.

Collaborations

Onizawa has collaborated with several talented individuals in his field, including Mitsuru Yamashita and Akihiro Izuka. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies.

Conclusion

Yoshio Onizawa's contributions to optical data storage through his innovative patents and collaborations highlight his importance in the field. His work continues to influence advancements in technology, making a lasting impact on data storage solutions.

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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