Tsukuba, Japan

Masatomo Sumiya

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Hamamatsu-Photonics K.k., Shizuoka University, Japan Science and Technology Agency. Active years: 2001-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masatomo Sumiya. Retrieved from https://idiyas.com/inventor/masatomo-sumiya

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


% Patents Active = 80.0


Average Co-Inventor Count = 3.2

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Hamamatsu, JP (2001 - 2010)
  • Tsukuba, JP (2009 - 2016)

Company Filing History:


Years Active: 2001-2016

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5 patents (USPTO):Explore Patents

Title: Masatomo Sumiya: Innovator in Photoelectric Surface Technology

Introduction

Masatomo Sumiya is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of semiconductor technology, particularly in the development of photoelectric surface members. With a total of 5 patents to his name, Sumiya's work has advanced the efficiency of photoelectric devices.

Latest Patents

One of Sumiya's latest patents is focused on a process for producing layered members that enhance quantum efficiency. The invention involves a photoelectric surface member that consists of a crystalline layer formed by a nitride-type semiconductor material. This member includes a nitride semiconductor crystal layer oriented in the negative c polar direction, an adhesive layer along the first surface of the crystal layer, and a glass substrate that is adhesively fixed to the adhesive layer. This innovative design aims to improve the performance of photoelectric devices.

Career Highlights

Throughout his career, Masatomo Sumiya has worked with notable organizations such as Hamamatsu Photonics K.K. and Shizuoka University. His experience in these institutions has allowed him to collaborate with other experts in the field and contribute to groundbreaking research and development.

Collaborations

Sumiya has collaborated with esteemed colleagues, including Shunro Fuke and Tokuaki Nihashi. These partnerships have played a crucial role in advancing his research and enhancing the impact of his inventions.

Conclusion

Masatomo Sumiya's innovative work in the field of photoelectric surface technology has established him as a key figure in semiconductor advancements. His contributions continue to influence the efficiency and effectiveness of photoelectric devices in various applications.

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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