Yokosuka, Japan

Ryouichi Kuriyama

This inventor holds 12 USPTO granted patents and 3 published patent applications. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions Corporation. Active years: 1992-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryouichi Kuriyama. Retrieved from https://idiyas.com/inventor/ryouichi-kuriyama

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

USPTO Granted Patents = 12 

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 6

Forward Citations = 268(Granted Patents)


Location History:

  • Zushi, JP (1998 - 2000)
  • Yokosuka, JP (1992 - 2012)
  • Yokosuka Kanagawa, JP (2024)

Company Filing History:


Years Active: 1992-2025

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12 patents (USPTO):Explore Patents

Title: Ryouichi Kuriyama: Innovator in IC Card Technology

Introduction

Ryouichi Kuriyama is a prominent inventor based in Yokosuka, Japan. He has made significant contributions to the field of electronic devices, particularly in the development of IC card technology. With a total of 12 patents to his name, Kuriyama has established himself as a key figure in innovation.

Latest Patents

Among his latest patents are advancements in IC cards, portable electronic devices, and issuing devices. One notable invention involves an IC card associated with a parent IC card, which includes a sensor designed to acquire biological information. This card features a first storage unit for storing a verification template, a second storage unit for related data, a communication unit for data transmission, and a processor that authenticates users based on biological information. Another patent focuses on an IC card that communicates with an IC card processing apparatus, transmitting extended format support information for various commands.

Career Highlights

Ryouichi Kuriyama has worked with notable companies such as Kabushiki Kaisha Toshiba and Toshiba Infrastructure Systems & Solutions Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the electronic sector.

Collaborations

Throughout his career, Kuriyama has collaborated with talented individuals, including Takashi Niimura and Kiyoshi Toshimitsu. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Ryouichi Kuriyama's work in IC card technology exemplifies his commitment to innovation and advancement in electronic devices. His contributions continue to influence the industry and pave the way for future developments.

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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