Tsukuba, Japan

Takuya Matsui

This inventor holds 2 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: National Institute of Advanced Industrial Science and Technology, Mitsubishi Heavy Industries Limited. Active years: 2015-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuya Matsui. Retrieved from https://idiyas.com/inventor/takuya-matsui-ftmqlqit

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

USPTO Granted Patents = 2 

% Patents Active = 100.0


Average Co-Inventor Count = 2.7

ph-index = 1


Company Filing History:


Years Active: 2015-2024

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2 patents (USPTO):Explore Patents

Title: Takuya Matsui: Innovator in Semiconductor and Photovoltaic Technologies

Introduction

Takuya Matsui is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the fields of semiconductor devices and solar cell technologies. With a total of 2 patents to his name, Matsui's work focuses on enhancing the efficiency and performance of electronic devices.

Latest Patents

Matsui's latest patents include innovations in semiconductor devices and photovoltaic production methods. One of his notable inventions is a semiconductor device that features a hole-selective film, which provides both hole selectivity and passivation characteristics. This production method involves forming a titanium oxide film on a crystalline silicon layer using a thermal atomic layer deposition method, followed by a hydrogen plasma process on the titanium oxide film.

Another significant patent pertains to a process for producing a photovoltaic device. This process aims to improve the power generation characteristics of a solar cell that utilizes a heterojunction composed of a p-type crystalline germanium substrate, an intrinsic amorphous silicon semiconductor layer, and an n-type amorphous silicon semiconductor layer. The process includes several stages, such as PH-exposure treatment, i-layer deposition, n-layer deposition, and electrode formation.

Career Highlights

Throughout his career, Takuya Matsui has worked with esteemed organizations, including the National Institute of Advanced Industrial Science and Technology and Mitsubishi Heavy Industries Limited. His experience in these institutions has allowed him to develop and refine his innovative ideas in semiconductor and photovoltaic technologies.

Collaborations

Matsui has collaborated with notable colleagues, including Hitoshi Sai and Shinya Nakano. Their combined expertise has contributed to the advancement of technologies in their respective fields.

Conclusion

Takuya Matsui's contributions to semiconductor and photovoltaic technologies highlight his role as an influential inventor. His innovative patents and collaborations reflect his commitment to advancing technology for a sustainable future.

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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