Tokyo, Japan

Tadashi Nagahara

This inventor holds 5 USPTO granted patents and 2 published patent applications. Top assignees: Kioxia Corporation, Techno Polymer Company Limited, Toshiba Memory Corporation. Active years: 2005-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Nagahara. Retrieved from https://idiyas.com/inventor/tadashi-nagahara

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

USPTO Granted Patents = 5 

% Patents Active = 80.0

Average Co-Inventor Count = 1.6

ph-index = 1


Location History:

  • Tokyo, JP (2005 - 2021)
  • Minato, JP (2024)

Company Filing History:


Years Active: 2005-2025

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5 patents (USPTO):Explore Patents

Title: Innovations of Tadashi Nagahara

Introduction

Tadashi Nagahara is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of memory technology and materials science. With a total of 5 patents, his work reflects a commitment to enhancing performance and reliability in various applications.

Latest Patents

One of his latest patents is titled "Performance based method and system for patrolling read disturb errors in a memory unit." This invention discloses a method and system for effectively handling read disturb errors in memory units. The process involves retrieving status information related to each memory block and identifying target memory blocks with valid pages that have the highest block erase counts. By patrolling only the valid pages, the method reduces the time required for error handling and improves overall performance. It also ensures data retention reliability by prioritizing memory blocks based on their erase counts.

Another notable patent is for "Rubber-reinforced vinyl resin, process for producing rubber-reinforced vinyl resin, and rubber-reinforced vinyl resin composition." This invention describes a rubber-reinforced vinyl resin created by polymerizing a vinyl monomer in the presence of a rubber-like copolymer. The resulting resin exhibits excellent moldability and impact resistance, making it suitable for various applications.

Career Highlights

Tadashi Nagahara has worked with several notable companies, including Techno Polymer Company Limited and Toshiba Memory Corporation. His experience in these organizations has allowed him to develop innovative solutions that address real-world challenges in technology and materials.

Collaborations

Throughout his career, Nagahara has collaborated with talented individuals such as Franklin Antony Muthu Sunder and Shinji Isoda. These partnerships have contributed to the advancement of his inventions and the successful implementation of his ideas.

Conclusion

Tadashi Nagahara's contributions to the fields of memory technology and materials science are noteworthy. His innovative patents demonstrate a deep understanding of the challenges in these areas and a commitment to finding effective solutions. His work continues to influence advancements in technology and materials.

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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