This inventor holds 1 USPTO granted patent. Top assignees: Mitsubishi Electric Corporation, Nunome Electric Co., Ltd.. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 2026
Title: Kenji Asai and His Patent for an Efficient Coil Device.
Introduction
Kenji Asai is an inventor associated with Nagoya, Japan. His work includes a patented coil design intended to improve heat dissipation, compactness, efficiency, and cost.
Latest Patents
Asai is listed as an inventor on 1 patent: “Coil Device and Power Conversion Device.” The invention describes a transformer with a core group and a winding group. Multiple winding layers pass through closed magnetic circuits formed by multiple cores. Viewed from above, the cores are spaced along the conductor wires carrying current, while the winding layers are arranged side by side from the inside outward along a direction that intersects the current flow. This configuration is designed to provide effective heat dissipation in a compact, efficient, and lower-cost coil device.
Career Highlights
Asai has been associated with Mitsubishi Electric Corporation and Nunome Electric Co., Ltd. His patent reflects work on transformer and power-conversion technology.
Collaborations
Asai’s listed coworkers include Takashi Kumagai and Kazuaki Fukui.
Conclusion
Kenji Asai’s patented coil design focuses on combining improved thermal performance with compact construction, efficiency, and reduced cost.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile