Shizuoka, Japan

Kazumichi Kasai

This inventor holds 1 USPTO granted patent. Top assignee: Fujikura Limited. Active years: 1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazumichi Kasai. Retrieved from https://idiyas.com/inventor/kazumichi-kasai

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 = 10.0

ph-index = 1

Forward Citations = 35(Granted Patents)


Company Filing History:


Years Active: 1992

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1 patent (USPTO):Explore Patents

Title: Kazumichi Kasai: Innovator in Copper Alloy Technology

Introduction

Kazumichi Kasai is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of copper alloy wires. His innovative work has led to advancements in insulated electric wires and multiple core technologies.

Latest Patents

Kazumichi Kasai holds a patent for a copper alloy wire, which has a unique composition consisting of no less than 0.01% by weight of silver (Ag) and the balance being copper (Cu) along with unavoidable impurities. This copper alloy wire is prepared by drawing a wire stock with the specified composition at a reduction ratio of no lower than 40%. It undergoes heat treatment for half annealing, achieving a tensile strength of no less than 27 kg·f/mm² and an elongation of 5%. The insulated electric wire incorporates this copper alloy wire as a conductor, with an insulation layer enveloping the wire. Additionally, he has developed a multiple core parallel bonded wire that consists of two or more such insulated electric wires bonded parallel to each other.

Career Highlights

Kazumichi Kasai is associated with Fujikura Limited, a company renowned for its innovations in the field of electrical and telecommunications equipment. His work at Fujikura has been instrumental in enhancing the performance and reliability of electrical wiring systems.

Collaborations

Throughout his career, Kazumichi has collaborated with esteemed colleagues, including Akihito Kurosaka and Sueji Chabata. These collaborations have fostered a creative environment that has led to further advancements in their respective fields.

Conclusion

Kazumichi Kasai's contributions to copper alloy technology and insulated electric wires have made a significant impact in the electrical engineering sector. His innovative spirit and dedication to research continue to inspire future advancements in 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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