Tokyo, Japan

Kouji Shimizu

This inventor holds 9 USPTO granted patents and 6 published patent applications. Top assignees: Nec Corporation, Sony Corporation, Graphtec Kabushiki Kaisha. Active years: 1991-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Shimizu. Retrieved from https://idiyas.com/inventor/kouji-shimizu-tui8focd

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 88.9

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 12(Granted Patents)


Location History:

  • Fukuoka, JP (2013)
  • Tokyo, JP (1991 - 2023)

Company Filing History:


Years Active: 1991-2025

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9 patents (USPTO):Explore Patents

Title: Innovator Kouji Shimizu: Pioneering Advances in Communication Technology

Introduction: Kouji Shimizu is a prominent inventor based in Tokyo, Japan, known for his significant contributions to communication technology. With a total of nine patents to his name, Shimizu has played a vital role in advancing methods and devices that enhance the efficiency and reliability of communication systems.

Latest Patents: Some of Kouji Shimizu's latest patents include a gateway device designed to manage communication terminals effectively, especially during system failures. This device incorporates a storage unit for identification information and eDRX parameters, ensuring seamless communication even when issues arise. Additionally, he has developed communication terminals that synchronize paging timings between user equipment and control devices, enhancing overall communication reliability.

Career Highlights: Shimizu has built an impressive career, having worked with notable companies like NEC Corporation and Sony Corporation. Through his tenure at these organizations, he has been instrumental in driving innovative projects that push the boundaries of existing communication technologies.

Collaborations: Throughout his career, Kouji Shimizu has collaborated with esteemed colleagues, including Toshiyuki Tamura and Tomotsugu Minamikawa. These collaborations have resulted in groundbreaking solutions that have had a lasting impact on the field of communication.

Conclusion: Kouji Shimizu stands out as a leading inventor whose innovations have significantly advanced communication technologies. His extensive patent portfolio underscores his commitment to enhancing the efficiency and reliability of communication systems, making him a vital figure in the industry. As technology continues to evolve, Shimizu's contributions will undoubtedly remain influential in shaping the future of communication.

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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