Yokosuka, Japan

Toshihiro Okuyama

This inventor holds 1 USPTO granted patent. Top assignee: Nikon Corporation. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiro Okuyama. Retrieved from https://idiyas.com/inventor/toshihiro-okuyama

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 = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Toshihiro Okuyama: Optical Recording Invention

Introduction

Toshihiro Okuyama is an inventor associated with Yokosuka, Japan, and Nikon Corporation. His patent work addresses ways to improve the reliability of optical recording devices.

Latest Patents

The provided information lists 1 patent for Okuyama: “Method and a System for Adjusting Optical Recording Device Involving an …”. The invention reduces discrepancies in input-output operations when optical disk portions with different heat capacities are used to store data. It does so by adding separate compensating information, which may be stored in external memory or on the disk itself.

Career Highlights

Okuyama’s listed invention focuses on compensating for non-uniform characteristics in optical media, helping an optical recording device handle variations among disk portions.

Collaborations

The provided information names Haruhisa Iida and Satomi Yoshibe as Okuyama’s coworkers.

Conclusion

Toshihiro Okuyama’s recorded patent contribution centers on improving optical recording accuracy by compensating for differences in the heat capacities of disk portions.

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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