Toshio Hasegawa

Title: The Innovations of Toshio Hasegawa

Introduction

Toshio Hasegawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of chemical engineering, particularly in the development of catalysts for the production of ethylenically unsaturated carboxylic acids and esters. With a total of 7 patents to his name, Hasegawa's work has had a notable impact on industrial processes.

Latest Patents

One of Hasegawa's latest patents involves a catalyst and a process for the production of ethylenically unsaturated carboxylic acids or esters. This invention discloses a catalyst that comprises a silica support, a modifier metal, and a catalytic alkali metal. The silica support features a multimodal pore size distribution, which includes a mesoporous pore size distribution with an average pore size ranging from 2 to 50 nm and a pore volume of at least 0.1 cm/g. Additionally, it has a macroporous pore size distribution with an average pore size of more than 50 nm and a pore volume of at least 0.1 cm/g. The level of catalytic alkali metal on the silica support is at least 2 mol %. The modifier metal can be selected from Mg, B, Al, Ti, Zr, and Hf. The invention also outlines methods for producing the catalyst and for preparing ethylenically unsaturated acids or esters in the presence of the catalyst.

Career Highlights

Throughout his career, Toshio Hasegawa has worked with notable companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has allowed him to refine his expertise in catalyst development and chemical processes.

Collaborations

Hasegawa has collaborated with esteemed colleagues, including Tsuyoshi Nishioka and Hirokazu Ishizuka. These partnerships have contributed to the advancement of his research and innovations in the field.

Conclusion

Toshio Hasegawa's contributions to the field of chemical engineering through his innovative patents and collaborations highlight his importance as an inventor. His work continues to influence the production processes in various industries.