Nagano, Japan

Takahumi Ogiwara

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignees: Seiko Precision Inc., Shinshu University. Active years: 2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takahumi Ogiwara. Retrieved from https://idiyas.com/inventor/takahumi-ogiwara

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

Calculating rank


Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2012

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Takahumi Ogiwara

Introduction

Takahumi Ogiwara is a notable inventor based in Nagano, Japan. He is recognized for his significant contributions to the field of optics, particularly in the development of variable focal length lenses. His innovative work has led to advancements in imaging technology, making him a prominent figure in the industry.

Latest Patents

Ogiwara holds a patent for a variable focal length lens, along with a focal length adjusting device and an imaging apparatus that utilizes this technology. The patent describes a variable focal length lens that consists of a lens, a positive electrode, and a negative electrode. The lens is constructed from polyvinyl chloride mixed with a plasticizer, allowing for adjustable hardness by varying the mixing quantity and type of plasticizer. The design includes a second layer that covers at least a light transmission region of the first layer. When a voltage is applied between the electrodes, the layers deform, altering the curvature of the lens and consequently varying the focal length. This innovation has potential applications in various imaging devices.

Career Highlights

Throughout his career, Ogiwara has worked with esteemed organizations such as Seiko Precision Inc. and Shinshu University. His experience in these institutions has contributed to his expertise in optical technologies and has facilitated his research and development efforts.

Collaborations

Ogiwara has collaborated with notable colleagues, including Koji Yoneda and Toshihiro Hirai. These partnerships have likely enhanced his research capabilities and broadened the impact of his inventions.

Conclusion

Takahumi Ogiwara's work in developing variable focal length lenses represents a significant advancement in optical technology. His innovative approach and collaborations have positioned him as a key inventor in the field, contributing to the evolution of imaging 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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