Katsuhiko Yamashita

Title: Katsuhiko Yamashita: Innovator in Silica Carrier Production

Introduction

Katsuhiko Yamashita is a notable inventor based in Oita, Japan. He has made significant contributions to the field of materials science, particularly in the production of silica carriers. With a total of 2 patents, his work has implications for various industrial applications.

Latest Patents

Yamashita's latest patents include a method for producing a silica carrier and a production method for aliphatic carboxylic acid esters. The silica carrier production method involves kneading fumed silica obtained by a combustion method, silica gel obtained by a gel method, and colloidal silica obtained by a sol-gel method or a water glass method. The resulting product is molded and calcined, yielding a silica carrier with mesopores measuring 2 to 50 nm and macropores larger than 50 nm but less than 1,000 nm. His method for producing aliphatic carboxylic acid esters utilizes a solid acid catalyst supported on a silica carrier, facilitating the reaction of aliphatic carboxylic acids and olefins in the gas phase.

Career Highlights

Throughout his career, Yamashita has worked with prominent companies such as Showa Denko K.K. and Resonac Corporation. His experience in these organizations has allowed him to refine his expertise in materials science and innovation.

Collaborations

Yamashita has collaborated with notable colleagues, including Shintaro Itagaki and Taku Takahashi. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Katsuhiko Yamashita is a distinguished inventor whose work in silica carrier production and aliphatic carboxylic acid esters has made a significant impact in the field of materials science. His innovative methods and collaborations continue to influence the industry.