Tokyo, Japan

Naoki Matsunaga

This inventor holds 20 USPTO granted patents and 2 published patent applications and 2 EPO patents, primarily in Semiconductor Technology. Top assignees: Kabushiki Kaisha Toshiba, Toshiba Memory Corporation, Nec Corporation. Active years: 2006-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoki Matsunaga. Retrieved from https://idiyas.com/inventor/naoki-matsunaga

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 85.0

 

Average Co-Inventor Count = 1.3

ph-index = 4

Forward Citations = 50(Granted Patents)


Location History:

  • Kawasaki, JP (2018)
  • Tokyo, JP (2006 - 2023)

Company Filing History:


Years Active: 2006-2026

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Areas of Expertise:
Multi-Chip Package
Non-Volatile Storage
Semiconductor Device
Memory System
Thin-Film Transistor
Liquid Crystal Display
High Toughness Steel
Tensile Strength
20 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Naoki Matsunaga

Introduction

Naoki Matsunaga is a distinguished inventor based in Tokyo, Japan, known for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 19 patents, Matsunaga has made strides in developing advanced storage solutions that enhance data reliability and efficiency.

Latest Patents

Among Matsunaga's notable innovations is his latest patent focused on a non-volatile semiconductor storage device. This invention includes a sophisticated architecture composed of a non-volatile memory, a monitoring section, a determining section, and a notification processing section. The non-volatile memory is designed with multiple memory cells operated via word lines, featuring a voltage generating section that produces a read voltage for these lines. The monitoring section tracks changes in the threshold distribution of the memory cells during read operations, while the determining section assesses the degree of deterioration of the memory based on this data. Additionally, the notification processing section informs users about the life expectancy of the non-volatile memory, enhancing usability and performance.

Career Highlights

Throughout his career, Matsunaga has held pivotal roles in renowned companies such as Kabushiki Kaisha Toshiba and Toshiba Memory Corporation. His work in these organizations has positioned him as an expert in semiconductor technologies and advanced storage solutions, marking him as a key player in the industry.

Collaborations

Matsunaga has collaborated with notable colleagues including Kenji Sera and Shigeki Kitsuya. Together, they have shared insights and expertise to drive innovation within the semiconductor field, further contributing to the advancements in technology.

Conclusion

With 19 patents and a commitment to technological advancement, Naoki Matsunaga continues to be a significant figure in the world of semiconductor innovations. His latest work in non-volatile memory devices exemplifies his dedication to improving data storage reliability, paving the way for future breakthroughs in the field.

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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