Machida, Japan

Hironori Hirama

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hironori Hirama. Retrieved from https://idiyas.com/inventor/hironori-hirama

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 13(Granted Patents)


Company Filing History:

goldMedal1 out of 834,659 
Other
 patents

Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Hironori Hirama: Innovator in Cold Emission Technology

Introduction

Hironori Hirama is a notable inventor based in Machida, Japan. He has made significant contributions to the field of cold emission technology, particularly through his innovative patent. His work has implications for various display devices, showcasing his expertise in materials science and engineering.

Latest Patents

Hirama holds a patent for a "Cold emission electrode method of manufacturing the same and display device using the same." This invention involves the formation of a yttrium film on a substrate made of an Ni–Cr-based material. The yttrium film is created through deposition or sputtering techniques, utilizing resistance heating or an electron beam. The film is then heated in an inert gas atmosphere with a minimal amount of hydrogen, resulting in yttrium hydride, which serves as an excellent cold emission material for cold emission discharge fluorescent tubes. He has 1 patent to his name.

Career Highlights

Hirama's career is marked by his dedication to advancing cold emission technologies. His innovative approaches have positioned him as a key figure in the development of efficient display devices. His work not only enhances the performance of these devices but also contributes to the broader field of electronics.

Collaborations

Hirama has collaborated with notable colleagues, including Osamu Nakamura and Shigemi Suzuki. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Hironori Hirama's contributions to cold emission technology exemplify the impact of innovative thinking in the field of electronics. His patent and collaborative efforts highlight his commitment to advancing technology for display devices. His work continues to inspire future innovations 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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