Kanagawa, Japan

Manabu Tohyama

This inventor holds 1 USPTO granted patent. Top assignees: Cosmo Oil Co., Ltd., Dow Corning Asia Limited, Vicodrive Japan, Ltd.. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Manabu Tohyama. Retrieved from https://idiyas.com/inventor/manabu-tohyama

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 = 6.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: Innovating Viscous Coupling Fluids: The Contributions of Manabu Tohyama

Introduction

Manabu Tohyama, an accomplished inventor based in Kanagawa, Japan, has made notable contributions to the field of engineering through his innovative work on viscous coupling fluids. With a focus on enhancing the performance of coupling fluids, Tohyama has secured a patent that addresses the limitations of prior art.

Latest Patents

Tohyama holds a patent that revolutionizes viscous coupling systems by introducing a novel combination of ingredients. His patent describes a fluid that consists of a polyorganosiloxane fluid as the base oil, enhanced by the inclusion of sulfur or specific sulfur compounds along with at least one cyclic organosiloxane. This formulation effectively overcomes previous deficiencies in coupling fluid technology, presenting a significant advancement in the field.

Career Highlights

Tohyama has worked with prestigious companies such as Dow Corning Asia Limited and Vicodrive Japan, Ltd., contributing his expertise to various projects in industrial applications. His career has been marked by a dedication to improving the efficiency and reliability of viscous coupling systems, a critical component in many mechanical applications.

Collaborations

Throughout his career, Tohyama has collaborated with skilled colleagues, notably Masahiko Fukuda and Teiji Masuda. These partnerships have fostered an environment of innovation and creativity, leading to the successful development and application of his patented technologies.

Conclusion

Manabu Tohyama's work in the realm of viscous coupling fluids stands as a testament to his innovative spirit and technical expertise. His patent not only addresses key issues within existing technologies but also paves the way for future advancements in engineering. As industries continue to evolve, Tohyama's contributions will undoubtedly play a significant role in shaping the future of coupling fluid applications.

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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