Fumikiyo Kawahara

Title: Fumikiyo Kawahara: Circuit and Transformer Module Innovations.

Introduction

Fumikiyo Kawahara is an inventor based in Ibaraki, Japan. His work includes circuit-module design, transformer technology, and power transmission and reception devices. He is associated with Murata Manufacturing Co., Ltd. and holds 3 patents.

Latest Patents

Kawahara’s listed patents include “Transformer Module, Power Reception Device and Power Transmission Device.” The invention describes a circuit module with transformer elements mounted in a row on a printed substrate. Its coil and terminal arrangement helps maintain separation between high- and low-voltage portions, reducing the effect of the high-voltage portion on the low-voltage portion. The module can be used in power reception and transmission devices.

Another listed patent, “Circuit Module and Manufacturing Method for the Same,” addresses the formation of a shield layer on a circuit module. The method covers mounted electronic components with an insulator layer, forms grooves and projections in that layer, and applies electrically conductive resin to create the shield. This approach is intended to reduce the likelihood of uncoated areas in the shield layer.

Career Highlights

Kawahara’s patent work reflects a focus on practical electronic components and manufacturing processes. His inventions address electrical isolation in transformer modules and the reliability of shielding in circuit modules.

Collaborations

Kawahara’s listed coworkers include Hiroshi Nishikawa and Makoto Fujita. His company affiliation is Murata Manufacturing Co., Ltd.

Conclusion

Fumikiyo Kawahara’s patented work contributes to transformer and circuit-module designs, with attention to electrical separation, power-device applications, and dependable shielding.