Osaka, Japan

Toshio Suyama

This inventor holds 1 USPTO granted patent. Top assignee: Hitachi Zosen Corporation and Jujikin International, Inc.. Active years: 1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshio Suyama. Retrieved from https://idiyas.com/inventor/toshio-suyama

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 = 5.0

ph-index = 1

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1986

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Toshio Suyama

Introduction

Toshio Suyama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of engineering, particularly with his innovative designs in valve technology. His work has been recognized for its practicality and efficiency in various applications.

Latest Patents

One of Toshio Suyama's key inventions is a butterfly valve. This butterfly valve comprises a substantially cylindrical casing with an annular valve seat on its inner peripheral surface. A valve disk is disposed within the casing and is rotatable about an axis. The valve disk is designed with an annular groove at its outer peripheral edge, where an annular valve seal is partially fitted. This design allows for the valve seal to maintain a predetermined pressure against the valve seat, ensuring consistent performance even when there are dimensional errors in the components.

Career Highlights

Toshio Suyama has worked with prominent companies such as Hitachi Zosen Corporation and Jujikin International, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects. His patent portfolio includes one patent, showcasing his innovative approach to solving engineering challenges.

Collaborations

Throughout his career, Toshio has collaborated with talented individuals, including Masahiko Yamamoto and Yoshinori Nishino. These collaborations have fostered a creative environment that encourages the development of new ideas and technologies.

Conclusion

Toshio Suyama's contributions to valve technology exemplify the spirit of innovation. His work continues to influence the engineering field, and his patent reflects his commitment to improving functionality and reliability in mechanical systems.

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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