Kanagawa, Japan

Joji Kondo

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Chemical Corporation. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joji Kondo. Retrieved from https://idiyas.com/inventor/joji-kondo

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 = 52(Granted Patents)


Company Filing History:


Years Active: 2003

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1 patent (USPTO):Explore Patents

Title: Joji Kondo: Innovator in Rewritable Compact Disk Technology

Introduction

Joji Kondo is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical storage technology, particularly with his innovative work on rewritable compact disks.

Latest Patents

Kondo holds a patent for a rewritable compact disk and its manufacturing method. This invention aims to provide a rewritable compact disk that features both a RAM area, which is interchangeable with a CD-RW, and a ROM area on the same disk surface. The technology involves forming a phase-change recording layer in both areas, with specific parameters for recording light and push-pull signal ratios to ensure optimal performance.

Career Highlights

Joji Kondo is associated with Mitsubishi Chemical Corporation, where he has been able to apply his expertise in developing advanced optical storage solutions. His work has contributed to the evolution of data storage technologies, enhancing the functionality and efficiency of rewritable disks.

Collaborations

Kondo has collaborated with notable colleagues, including Hideyuki Kubo and Masae Kubo, to further advance the field of optical storage technology.

Conclusion

Joji Kondo's innovative work in rewritable compact disk technology exemplifies the impact of dedicated inventors in the realm of data storage. His contributions continue to influence the industry and pave the way for 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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