Kiyonori Kogawa

Title: Innovative Contributions of Kiyonori Kogawa

Introduction

Kiyonori Kogawa is a notable inventor based in Hiratsuka, Japan, known for his significant contributions to the fields of multilayered substrates and printed circuit boards. With a total of six patents, Kogawa has focused on developing technologies that enhance production efficiency and durability in electronic components.

Latest Patents

Among his latest patents is a groundbreaking innovation titled "Hot press for use in production of multilayered substrate." This invention pertains to a hot press designed to produce multilayered substrate blanks. It features vertically opposing upper and lower bolsters that can be moved relative to each other to press the substrate blanks and subsequently cool the plates post-bonding. A unique sealing arrangement, incorporating a cylinder, creates a hermetically sealed space that allows for pressure reduction during the heating and pressing processes. The invention also includes a high-pressure gas supplying arrangement, a pressure sensor, and a controller that ensures the bonding pressure is adjusted appropriately, enhancing the quality of the final product.

Another significant patent by Kogawa is related to "Printed circuit board and method and apparatus for making same." This invention introduces a printed circuit board characterized by its high acid resistance, mechanical strength at elevated temperatures, and improved bond strength. The innovative process involves applying a metallic film with distributed metal particles onto a roughened copper circuit pattern that has undergone oxidation and reduction, greatly enhancing the board's performance.

Career Highlights

Kiyonori Kogawa has had a distinguished career, contributing his expertise to prominent companies such as Hitachi, Ltd. and Hitachi Techno Engineering Co., Ltd. His work in these organizations has allowed him to innovate and refine processes in electronic component manufacturing, showcasing his skills as a vital contributor to the industry.

Collaborations

Throughout his career, Kogawa has collaborated with esteemed colleagues, including Haruo Akahoshi and Motoyo Wajima. These partnerships have facilitated the exchange of ideas and knowledge, leading to advancements in technology and the successful development of his patented inventions.

Conclusion

Kiyonori Kogawa's innovations are instrumental in the evolution of multilayered substrates and printed circuit boards. His patents demonstrate a clear commitment to enhancing production methodologies and improving product reliability in the electronics industry. Kogawa's work not only underscores his ingenuity but also contributes significantly to technological advancements in Japan and beyond.