Hamamatsu, Japan

Yujiro Sei

This inventor holds 3 USPTO granted patents. Top assignee: Hamamatsu-Photonics K.k.. Active years: 2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yujiro Sei. Retrieved from https://idiyas.com/inventor/yujiro-sei

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

Calculating rank

Average Co-Inventor Count = 2.0

ph-index = 3

Forward Citations = 90(Granted Patents)


Company Filing History:


Years Active: 2003

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3 patents (USPTO):Explore Patents

Title: Yujiro Sei: Innovator in Portable Light Source Technology

Introduction

Yujiro Sei is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of portable light source technology. With a total of 3 patents to his name, Sei's work focuses on enhancing the functionality and usability of light sources in various environments.

Latest Patents

One of his latest inventions is a portable light source apparatus that accommodates a deuterium lamp within a lamp box and housing. This innovative design minimizes the influence of temperature changes from the outside air. The deuterium lamp, which is sensitive to temperature fluctuations, is enveloped in a double shield structure, ensuring that temperature changes are less likely to affect its performance. This allows the lamp to be used effectively in outdoor operations without being impacted by weather changes or indoor air conditioning. Additionally, the design facilitates easier lamp replacement, making it more convenient for users in the field.

Career Highlights

Yujiro Sei is associated with Hamamatsu Photonics K.K., a company renowned for its advancements in optical technologies. His work has contributed to the development of innovative lighting solutions that cater to various applications.

Collaborations

Sei collaborates with Masaki Ito, a fellow innovator, to further enhance the capabilities of their inventions. Their teamwork exemplifies the spirit of innovation and collaboration in the field of technology.

Conclusion

Yujiro Sei's contributions to portable light source technology demonstrate his commitment to innovation and practicality. His inventions not only improve the usability of light sources but also address critical challenges related to temperature sensitivity and ozone generation. His work continues to influence the industry positively.

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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