Tsukuba, Japan

Masami Ishii

This inventor holds 3 USPTO granted patents. Top assignee: Agency of Industrial Science and Technology Ministry of International. Active years: 1997-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masami Ishii. Retrieved from https://idiyas.com/inventor/masami-ishii-ykjn8mvu

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 = 5.0

ph-index = 1

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1997-1999

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3 patents (USPTO):Explore Patents

Title: Masami Ishii: Innovator in Photo-Receiving Technology

Introduction

Masami Ishii is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of photo-receiving devices, holding a total of 3 patents. His work focuses on enhancing the efficiency and sensitivity of photoelectric devices, which are crucial in various technological applications.

Latest Patents

One of Ishii's latest patents is a photo-receiving device with a light guide. This high-speed, high-sensitivity device features a light-absorbing substrate equipped with a pair of electrodes. An insulative optical guide is positioned over an exposed surface portion of the substrate, creating an optical window. The optical guide is designed to be permeable to incident light, with its width not exceeding the wavelength of the incoming light. Another notable patent is a method of fabricating a photo-device. This method involves forming an optically nontransparent, electrically conductive layer on the surface of a photoelectric conversion substrate. It also includes transferring a portion of this layer using a scanning probe process apparatus to create a light-permeable protective insulation structure over the optical window.

Career Highlights

Masami Ishii has been associated with the Agency of Industrial Science and Technology, which is part of the Ministry of International Affairs. His work has been instrumental in advancing the capabilities of photo-receiving technologies, making them more efficient and effective for various applications.

Collaborations

Ishii has collaborated with notable colleagues, including Taro Itatani and Kazuhiko Matsumoto. Their combined expertise has contributed to the innovative developments in the field of photo-receiving devices.

Conclusion

Masami Ishii's contributions to photo-receiving technology highlight his role as a key innovator in the field. His patents and collaborative efforts continue to influence advancements in photoelectric devices, showcasing the importance of innovation in technology.

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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