Shibukawa, Japan

Shimpei Hirokawa

This inventor holds 4 USPTO granted patents. Top assignee: Denka Company Limited. Active years: 2016-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shimpei Hirokawa. Retrieved from https://idiyas.com/inventor/shimpei-hirokawa

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 = 4.3

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2016-2021

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4 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Shimpei Hirokawa

Introduction

Shimpei Hirokawa is a notable inventor based in Shibukawa, Japan. He has made significant contributions to the field of electron sources, holding a total of 4 patents. His work focuses on enhancing the efficiency and longevity of electron emission materials.

Latest Patents

One of his latest patents is titled "Electron source and production method therefor." This invention presents an electron source designed to suppress the consumption of an electron emission material. The electron source includes an electron emission material and an electron emission-suppressing material that covers the side surface of the electron emission material. The work function of the electron emission-suppressing material is higher than that of the electron emission material, while its thermal emissivity is lower. This innovative design aims to improve the performance and durability of electron sources.

Career Highlights

Shimpei Hirokawa is currently employed at Denka Company Limited, where he continues to develop cutting-edge technologies in his field. His expertise in electron sources has positioned him as a key figure in advancing related technologies.

Collaborations

Throughout his career, Hirokawa has collaborated with esteemed colleagues such as Toshiyuki Morishita and Hiromitsu Chatani. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Shimpei Hirokawa's contributions to the field of electron sources exemplify the spirit of innovation. His patents and ongoing work at Denka Company Limited highlight his commitment to advancing technology in this area.

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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