Shuji Akihara

Title: Shuji Akihara: Innovator in Chemical Production

Introduction

Shuji Akihara is a prominent inventor based in Sapporo, Japan. He has made significant contributions to the field of chemical production, particularly in the methods for producing isobutylene and other related compounds. With a total of 4 patents to his name, Akihara's work has had a notable impact on the industry.

Latest Patents

One of Akihara's latest patents is a method for producing isobutylene from isobutanol. The purpose of this invention is to provide a method that can produce isobutylene with high yield and selectivity through isobutanol dehydration-reaction. The first embodiment of this method involves reacting isobutanol using a catalyst with a specific surface area between 60 m²/g and 175 m²/g, under a reaction pressure of 50 kPa to 750 kPa. The second embodiment includes using a catalyst with particle diameters of at least 90 mass % within the range of 700 µm to 1000 µm, setting the isobutanol concentration in the supplied reaction gas to 30 vol % to 85 vol %, and maintaining a weight hourly velocity (WHSV) of 0.175 h⁻¹ to 20 h⁻¹ under similar pressure conditions. Additionally, he has developed methods for producing methacrylic acid and methyl methacrylate from the obtained isobutylene.

Career Highlights

Shuji Akihara has worked with notable companies such as Mitsubishi Chemical Corporation and Mitsubishi Rayon Company, Limited. His experience in these organizations has allowed him to refine his expertise in chemical processes and innovations.

Collaborations

Some of Akihara's coworkers include Toshiya Yasukawa and Ken Ooyachi. Their collaboration has contributed to the advancement of chemical production techniques.

Conclusion

Shuji Akihara's innovative methods in chemical production, particularly in the dehydration of isobutanol, showcase his significant contributions to the field. His work continues to influence the industry and pave the way for future advancements.