Tsukuba, Japan

Katsumi Nagaoka

This inventor holds 1 USPTO granted patent. Top assignee: National Institute for Materials Science. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsumi Nagaoka. Retrieved from https://idiyas.com/inventor/katsumi-nagaoka

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


Company Filing History:


Years Active: 2025

Loading Chart...
1 patent (USPTO):Explore Patents

Title: Katsumi Nagaoka: Innovator in Low Work Function Materials

Introduction

Katsumi Nagaoka is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of materials science, particularly in the development of low work function materials. His innovative work has implications for various electronic devices, enhancing their efficiency and performance.

Latest Patents

Nagaoka holds a patent for a laminate, electron source, and electronic device containing laminate, along with the production and cleaning methods for the laminate. The patent focuses on lanthanide boride, a material known for its low work function. The invention aims to provide a novel low work function material that exhibits low chemical reactivity. Notably, the material's surface can be cleaned at a lower heating temperature than previously possible. This laminate consists of a lanthanide boride film formed on a substrate, with the surface covered by a thin film of a monatomic layer of hexagonal boron nitride.

Career Highlights

Katsumi Nagaoka is affiliated with the National Institute for Materials Science, where he conducts research and development in advanced materials. His work has led to advancements in electronic devices, making them more efficient and reliable.

Collaborations

Throughout his career, Nagaoka has collaborated with notable colleagues, including Takashi Aizawa and Shun-ichiro Ohmi. These collaborations have further enriched his research and contributed to the success of his inventions.

Conclusion

Katsumi Nagaoka's contributions to the field of low work function materials demonstrate his innovative spirit and dedication to advancing technology. His patent reflects a significant step forward in materials science, with potential applications in various electronic devices.

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]
Loading…