Koichi Yoshioka

Title: Innovations by Koichi Yoshioka

Introduction

Koichi Yoshioka is a notable inventor based in Uji, Japan. He has made significant contributions to the field of photo solder resist inks, holding a total of 2 patents. His work focuses on developing innovative materials that enhance the performance and reliability of electronic components.

Latest Patents

Yoshioka's latest patents include an ultraviolet-curable type photo solder resist ink and an ultraviolet-curable and alkali-developing type photo solder resist ink. The first patent describes a photo solder resist ink that comprises several components, including an ultraviolet-curable resin with ethylenically unsaturated groups and a carboxyl group. This ink demonstrates excellent developing properties, storage stability, and resistance to various environmental factors. The second patent outlines a resist ink that features an epoxy resin extended by an isocyanate compound. This formulation provides a wide precuring acceptable width, good tacky-dry properties, and superior light sensitivity, making it highly effective for electronic applications.

Career Highlights

Koichi Yoshioka is currently employed at Goo Chemical Company, Ltd. His work at the company has been instrumental in advancing the technology behind photo solder resist inks. His innovative approaches have led to the development of materials that significantly improve the performance of electronic devices.

Collaborations

Yoshioka has collaborated with several talented individuals in his field, including Soichi Hashimoto and Masahiro Mizushima. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Koichi Yoshioka's contributions to the field of photo solder resist inks exemplify the impact of innovation in electronics. His patents reflect a commitment to enhancing material performance and reliability, making him a significant figure in his industry.