Yokohama, Japan

Kunihiko Tokunaga

This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: The Nisshin Oillio Group, Ltd.. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kunihiko Tokunaga. Retrieved from https://idiyas.com/inventor/kunihiko-tokunaga

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

USPTO Granted Patents = 1 

Average Co-Inventor Count = 5.0

ph-index = 1


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: Kunihiko Tokunaga: Innovator in Regenerated Clay and Purified Fats

Introduction

Kunihiko Tokunaga is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of environmental technology, particularly in the regeneration of waste materials. His innovative approach addresses the dual challenge of waste management and resource recovery.

Latest Patents

Tokunaga holds a patent for a method for producing regenerated clay and purified fats and oils. This invention provides a method for regenerating the decolorization capacity of waste clay used in the purification of fats and oils. The process allows for the simultaneous production of a thermally recyclable compound as biofuel from oily ingredients in the waste clay. The method involves mixing waste clay, lower alcohol, and an acidic catalyst, followed by the extraction of oily ingredients and an esterification reaction.

Career Highlights

Kunihiko Tokunaga is associated with The Nisshin Oillio Group, Ltd., where he applies his expertise in environmental technology. His work focuses on innovative solutions that enhance the sustainability of industrial processes. With a patent count of 1 patent, he continues to contribute to advancements in his field.

Collaborations

Throughout his career, Tokunaga has collaborated with esteemed colleagues such as Satoshi Negishi and Hitoshi Itou. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Kunihiko Tokunaga's work exemplifies the intersection of innovation and environmental sustainability. His contributions to the regeneration of waste materials highlight the importance of developing efficient methods for resource recovery. His ongoing efforts in this field continue to inspire advancements in environmental technology.

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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