Tokyo, Japan

Motoichi Ohtsu

This inventor holds 1 USPTO granted patent. Top assignee: Agency of Industrial Science and Technology. Active years: 2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Motoichi Ohtsu. Retrieved from https://idiyas.com/inventor/motoichi-ohtsu-7gr7wi2e

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 = 5.0

ph-index = 1

Forward Citations = 30(Granted Patents)


Company Filing History:


Years Active: 2002

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1 patent (USPTO):Explore Patents

Title: The Innovations of Motoichi Ohtsu

Introduction

Motoichi Ohtsu is a notable inventor based in Tokyo-to, Japan. He has made significant contributions to the field of optical near-field microscopy. His innovative work has led to the development of a unique patent that enhances the capabilities of optical probes.

Latest Patents

Motoichi Ohtsu holds a patent for a Variable-aperture optical near-field probe. This invention discloses an improved optical near-field probe designed for optical near-field microscopy or optical near-field recording. The probe features an effective aperture diameter that can be varied to suit different applications. The improvement involves attaching a thin film made from a substance that is opaque but can be rendered transparent, such as antimony or photo-chromic compounds, by light irradiation. This allows the center area of the end opening to become transparent, enabling the transmission of a laser beam and serving as an effective aperture with a variable diameter depending on the light intensity. Ohtsu holds 1 patent.

Career Highlights

Motoichi Ohtsu is associated with the Japan Agency of Industrial Science and Technology. His work in this institution has been pivotal in advancing optical technologies. His innovative approach has garnered attention in the scientific community.

Collaborations

Throughout his career, Ohtsu has collaborated with esteemed colleagues, including Junji Tominaga and Takashi Nakano. These collaborations have contributed to the development of cutting-edge technologies in the field of optics.

Conclusion

Motoichi Ohtsu's contributions to optical near-field microscopy through his innovative patent demonstrate his expertise and commitment to advancing technology. His work continues to influence the field and inspire future innovations.

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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