Tokyo, Japan

Tsuyotake Sawano

This inventor holds 5 USPTO granted patents. Top assignees: Nec Corporation, Nippon Electric Co., Ltd., Japan Aviation Electronics Industry, Limited. Active years: 1981-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyotake Sawano. Retrieved from https://idiyas.com/inventor/tsuyotake-sawano

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 = 2.1

ph-index = 3

Forward Citations = 34(Granted Patents)


Company Filing History:


Years Active: 1981-1993

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5 patents (USPTO):Explore Patents

Title: **Tsuyotake Sawano: A Pioneer in Optical Technologies**

Introduction

Tsuyotake Sawano, an innovative inventor based in Tokyo, Japan, has made a significant impact in the realm of optical technologies. With a portfolio of five patents, he has contributed to advancements in optical contact units and connectors that enhance the efficiency and functionality of optical systems.

Latest Patents

Among his most recent inventions, Sawano developed an **optical contact unit** and an **optical connector** that utilizes this unit. This innovative design integrates the optical contact and other components into a single unit, allowing for simplified mounting and removal from the optical contact holding member. The optical contact unit consists of an optical fiber with a ferrule, a sleeve for support, a biasing member, and a stopper that controls the ferrule's movement.

Additionally, he created an **optical connector** that features a receiving hole for the optical contact unit and a clip that secures it in place. Furthermore, his work includes an optical connection adapter and an optical plug that facilitate seamless connections for circuit boards, showcasing his commitment to enhancing optical connectivity.

Career Highlights

Throughout his career, Tsuyotake Sawano has collaborated with prominent companies such as NEC Corporation and Nippon Electric Co., Ltd. His work within these organizations has played a vital role in the development of cutting-edge optical solutions.

Collaborations

In his journey as an inventor, Sawano has worked alongside esteemed colleagues, including Michitomo Shibutani and Yoshitaro Sato. These collaborations have helped foster innovation and expand the possibilities within the field of optics.

Conclusion

Tsuyotake Sawano stands out as a key figure in the development of optical technologies. His recent patents reflect his dedication and creativity in addressing complex challenges within the industry. Through his work, he continues to pave the way for future advancements in optical connections, ensuring a lasting impact on the field.

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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