Takatsuki, Japan

Kouki Tokuhara

This inventor holds 1 USPTO granted patent. Top assignees: Sumitomo Special Metals Co., Ltd., Toda Kogyo Corporation. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouki Tokuhara. Retrieved from https://idiyas.com/inventor/kouki-tokuhara

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 = 6.0

ph-index = 1

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Kouki Tokuhara: Innovator in Corrosion-Resistant Permanent Magnets

Introduction

Kouki Tokuhara is a notable inventor based in Takatsuki, Japan. He has made significant contributions to the field of materials science, particularly in the development of corrosion-resistant permanent magnets. His innovative work has implications for various industries that rely on durable magnetic materials.

Latest Patents

Tokuhara holds a patent for a corrosion-resistant R-Fe-B type sintered permanent magnet. This magnet exhibits a deterioration of not more than 5% from its initial magnetic properties after being tested for 500 hours under conditions of 80 degrees Celsius and 90% relative humidity. This advancement is crucial for applications requiring reliable performance in challenging environments.

Career Highlights

Throughout his career, Kouki Tokuhara has worked with prominent companies such as Sumitomo Special Metals Co., Ltd. and Toda Kogyo Corporation. His experience in these organizations has allowed him to refine his expertise in magnet technology and materials engineering.

Collaborations

Tokuhara has collaborated with notable colleagues, including Atsushi Hamamura and Takaki Hamada. These partnerships have contributed to the advancement of his research and the successful development of innovative products.

Conclusion

Kouki Tokuhara's work in the field of corrosion-resistant permanent magnets showcases his dedication to innovation and excellence. His contributions continue to influence the industry and pave the way for future advancements in magnetic materials.

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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