Yoichi Fujioka

Title: Innovations of Yoichi Fujioka

Introduction

Yoichi Fujioka is a notable inventor based in Sendai, Japan. He has made significant contributions to the field of materials science, particularly in the development of resin composites. With a total of 2 patents, his work focuses on enhancing the properties and production processes of composite materials used in various applications.

Latest Patents

Fujioka's latest patents include innovative technologies aimed at improving the quality and efficiency of resin composites. The first patent, titled "Resin composite and process for producing the same," describes a composite resin that incorporates fillers for molding electronic and structural parts. This composite is designed to achieve high dimensional accuracy and eliminate surface defects, making it suitable for mass production. The preferred formulation consists of 10 to 70 vol-% of a thermosetting resin, with the remaining volume made up of filler particles averaging 40 µm or less in diameter. The final molded article features pores ranging from 15 to 80 µm in diameter, occupying between 3 and 30% of the cross-sectional area.

The second patent, "Resin-Filler composite and production method thereof," focuses on a composite of resin and fillers specifically for electronic and structural parts. The invention aims to provide a resin composite that maintains high dimensional accuracy and is free from surface defects caused by the molding process. The production method involves mixing fillers with a thermosetting resin, compression molding the mixture at ordinary temperatures, and then hardening the molded body through heating at temperatures between 100 to 250 degrees Celsius.

Career Highlights

Yoichi Fujioka is currently employed at Kyocera Corporation, where he continues to innovate in the field of composite materials. His work has been instrumental in advancing the capabilities of resin composites, making them more efficient and reliable for industrial applications.

Collaborations

Fujioka has collaborated with notable colleagues, including Kazuo Watada and Hiroko Tanda, to further enhance the development of composite materials. Their combined expertise has contributed to the successful implementation of innovative solutions in their projects.

Conclusion

In summary, Yoichi Fujioka is a distinguished inventor whose work in resin composites has led to significant advancements in material science. His patents reflect a commitment to improving production processes and material properties, making a lasting impact in the industry.