Hamamatsu, Japan

Kyoji Tokiwa

This inventor holds 1 USPTO granted patent. Top assignees: Kansai Paint Company, Ltd., Suzuki Motor Corporation. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kyoji Tokiwa. Retrieved from https://idiyas.com/inventor/kyoji-tokiwa

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Kyoji Tokiwa: Innovator in Coated Film Technology

Introduction

Kyoji Tokiwa is a notable inventor based in Hamamatsu, Japan. He has made significant contributions to the field of coated film technology, particularly through his innovative patent that enhances the durability and performance of coated surfaces.

Latest Patents

Tokiwa holds a patent for a process of molding a coated film. This invention provides a method to form a coated film characterized by a multi-layer structure. After applying a cationically electrodeposition paint on a metal article and heat-curing it, the surface is coated with an aqueous primer made from thermoplastic polyurethane resin. This is followed by an application of an aqueous base paint and a clear paint. The resulting three-layer coated films are then heated and cured simultaneously. This process results in a multi-layer coated film that exhibits excellent chipping-resistance, corrosion-resistance, weatherability, and physical performance.

Career Highlights

Throughout his career, Tokiwa has worked with prominent companies such as Kansai Paint Company, Ltd. and Suzuki Motor Corporation. His experience in these organizations has contributed to his expertise in the field of coatings and paints.

Collaborations

Tokiwa has collaborated with notable coworkers, including Takumi Kunikiyo and Yoshikazu Yamamoto. Their combined efforts have further advanced the innovations in coated film technology.

Conclusion

Kyoji Tokiwa's contributions to the field of coated film technology through his innovative patent demonstrate his commitment to enhancing material performance. His work continues to influence the industry and showcases the importance of innovation in creating durable and effective coatings.

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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