Kanagawa, Japan

Kouji Umezawa

This inventor holds 1 USPTO granted patent. Top assignee: Sony Corporation. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Umezawa. Retrieved from https://idiyas.com/inventor/kouji-umezawa

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 = 19(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: **Innovator Spotlight: Kouji Umezawa**

Introduction

Kouji Umezawa, an inventive mind from Kanagawa, Japan, has made significant contributions to the field of disc player technology. With one patent to his name, Umezawa's innovations illustrate the intricate design and functionality of modern entertainment systems.

Latest Patents

Umezawa holds a patent for a "Disc loading apparatus for use in a disc player." This innovative device comprises an arm mechanism supported by a stationary structure, enabling smooth operation for both loading and unloading discs. It features a resilient supporting member and first and second rollers that carry the disc to a predetermined position on a disc rotating device. Additionally, a locking mechanism is integrated to firmly secure the chassis to the stationary structure during operation, ensuring reliability and efficiency in disc handling.

Career Highlights

Kouji Umezawa is affiliated with Sony Corporation, a leading company in electronics and entertainment. His tenure at Sony showcases his commitment to advancing technology in the audio-visual sector. Umezawa's focus on improving disc loading mechanisms has played a crucial role in enhancing user experiences with disc players.

Collaborations

Throughout his career, Umezawa has worked alongside prominent colleagues, including Ryoji Takamatsu and Tsutomu Toyoguchi. These collaborations have allowed for the exchange of ideas and innovations, further enriching the development of advanced disc player technologies.

Conclusion

Kouji Umezawa stands out as a talented inventor whose contributions have refined the way we interact with disc players. His patent for a disc loading apparatus highlights his expertise and dedication to enhancing consumer electronics. With his ongoing work at Sony Corporation, Umezawa continues to be a pivotal figure in the world of technological innovation.

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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