Tsukuba, Japan

Hirofumi Yamada

This inventor holds 2 USPTO granted patents. Top assignees: Japan Ministry of International Trade and Industry, Leland Stanford Junior University, Nikon Corporation. Active years: 1991-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hirofumi Yamada. Retrieved from https://idiyas.com/inventor/hirofumi-yamada-dsil409y

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


% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 2

Forward Citations = 37(Granted Patents)


Company Filing History:


Years Active: 1991-1996

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2 patents (USPTO):Explore Patents

Title: Hirofumi Yamada: Innovator in Microscopy Technology

Introduction

Hirofumi Yamada is a distinguished inventor based in Tsukuba, Japan. He has made significant contributions to the field of microscopy, particularly in the development of advanced imaging techniques. With a total of 2 patents, Yamada's work has paved the way for innovative solutions in atomic-level inspection.

Latest Patents

Yamada's latest patents include a combined atomic force and near-field scanning optical microscope. This assembly is designed for atomic-level inspection of target objects. It features a scanning probe with a sharp tip and a photosensitive region on its lower surface. The sample is placed on a glass substrate and exposed to an evanescent wave generated by total internal reflection. An optical probe, comprising a microfabricated cantilever, is positioned close to the sample to collect light generated by local disruptions of the evanescent field. Additionally, he has developed a fine positioning device for scanning tunneling microscopes, which includes a series of resiliently coupled stages and actuators for precise movement.

Career Highlights

Throughout his career, Yamada has worked with notable organizations such as Nikon Corporation and Leland Stanford Junior University. His experience in these institutions has greatly influenced his research and development efforts in microscopy technology.

Collaborations

Yamada has collaborated with esteemed colleagues, including Fumihiko Ishida and Shinya Akamine. Their joint efforts have contributed to advancements in the field and have fostered a collaborative environment for innovation.

Conclusion

Hirofumi Yamada's contributions to microscopy technology exemplify the spirit of innovation. His patents and collaborations reflect a commitment to advancing scientific understanding at the atomic level.

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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