Hitoshi Kuromi

Title: Hitoshi Kuromi: Innovator in Solid Electrolytic Capacitors

Introduction

Hitoshi Kuromi is a prominent inventor based in Nagaokakyo, Japan. He has made significant contributions to the field of electronics, particularly in the development of solid electrolytic capacitors. With a total of five patents to his name, Kuromi's work has advanced the technology used in capacitors, which are essential components in various electronic devices.

Latest Patents

Among his latest patents, Kuromi has developed a solid electrolytic capacitor that features a unique design. This capacitor includes a capacitor element with an anode that has both a core portion and a porous portion. The dielectric layer covers the porous portion, while the cathode consists of a solid electrolyte layer that partially covers the dielectric layer. The exterior body of the capacitor encloses the element, exposing one end of the anode. Notably, the thickness of the porous portion at the exposed end is smaller than that in the region covered by the cathode.

Another significant patent involves a solid-state electrolytic capacitor manufacturing method. This design incorporates grooves in a valve-acting metal substrate, which consists of a porous surface part and a non-porous body part. The grooves divide the substrate into multiple unit regions, defining cathode layer formation parts in the porous surface. A dielectric layer covers these surfaces, and a solid electrolyte layer along with a cathode extraction layer is applied, resulting in a sheet of solid electrolytic capacitor elements that can be cut at the grooves.

Career Highlights

Hitoshi Kuromi is currently employed at Murata Manufacturing Co., Ltd., a leading company in the electronics industry. His innovative work in solid electrolytic capacitors has positioned him as a key figure in advancing capacitor technology. His patents reflect a deep understanding of materials and design, contributing to the efficiency and performance of electronic components.

Collaborations

Throughout his career, Kuromi has collaborated with notable colleagues, including Koji Fujimoto and Emi Matsushita. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of electronics.

Conclusion

Hitoshi Kuromi's contributions to the field of solid electrolytic capacitors demonstrate his expertise and innovative spirit. His patents not only enhance the functionality of electronic devices but also pave the