Hamamatsu, Japan

Shigeru Sakamoto

This inventor holds 9 USPTO granted patents and 1 published patent application and 1 EPO patent. Top assignees: Hamamatsu-Photonics K.k., Other. Active years: 2002-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shigeru Sakamoto. Retrieved from https://idiyas.com/inventor/shigeru-sakamoto-vhgf246f

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 66.7


Average Co-Inventor Count = 4.7

ph-index = 4

Forward Citations = 63(Granted Patents)


Company Filing History:


Years Active: 2002-2015

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9 patents (USPTO):Explore Patents

Title: Shigeru Sakamoto: Innovator in Optical Technology

Introduction

Shigeru Sakamoto is a prominent inventor based in Hamamatsu, Japan. He has made significant contributions to the field of optical technology, holding a total of nine patents. His work focuses on developing advanced optical devices that enhance performance and efficiency.

Latest Patents

One of Sakamoto's latest patents is an optical amplifying device. This invention provides a solution for downsizing optical amplifiers while increasing their output and stability. The device includes an optical amplifier and an energy supplier, which supplies excitation energy to the optical amplifying medium. The design allows the to-be-amplified light to pass through the transparent medium multiple times, optimizing the amplification process. Another notable patent is a microscope and sample observation method. This invention is designed for inspecting semiconductor devices and includes an image acquisition part and an optical system with a movable solid immersion lens. The method allows for precise focusing and aberration correction, facilitating detailed analysis of microstructures in semiconductor devices.

Career Highlights

Sakamoto has worked with Hamamatsu Photonics K.K., a leading company in the field of photonics. His experience in this innovative environment has allowed him to develop cutting-edge technologies that push the boundaries of optical science.

Collaborations

Throughout his career, Sakamoto has collaborated with notable professionals in the field, including Hirotoshi Terada and Ikuo Arata. These collaborations have contributed to the advancement of optical technologies and have fostered a spirit of innovation.

Conclusion

Shigeru Sakamoto is a distinguished inventor whose work in optical technology has led to significant advancements in the field. His patents reflect a commitment to innovation and excellence, making him a key figure in the development of optical devices.

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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