Harutoshi Ohura

Title: Harutoshi Ohura: Innovator in Dipeptide Crystallization

Introduction

Harutoshi Ohura is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of chemistry, particularly in the preparation of dipeptides. With a total of 3 patents to his name, his work has advanced the understanding and production of specific chemical compounds.

Latest Patents

Ohura's latest patents include innovative processes for preparing dry crystals of the methyl ester of α-L-aspartyl-L-phenylalanine. One of his patents discloses a method for obtaining dry crystals with a water content of about 2 wt. % to about 6 wt. %. This process involves exposing wet crystals to a flow of air at temperatures ranging from 80°C to 200°C. Another patent focuses on the method of preparing granules of α-L-aspartyl-L-phenylalanine methyl ester through compaction granulation. This method prevents the formation of fine powdery α-APM by breaking the compacted material, thereby enhancing the yield and sieving efficiency.

Career Highlights

Ohura is associated with Ajinomoto Co., Ltd., a leading company in the food and biotechnology sectors. His work at Ajinomoto has allowed him to explore and develop innovative methods for producing high-quality dipeptides. His contributions have been instrumental in improving the efficiency of chemical processes within the industry.

Collaborations

Throughout his career, Ohura has collaborated with esteemed colleagues such as Akihiko Yasaki and Shinichi Kishimoto. These collaborations have fostered a productive environment for innovation and have led to advancements in their respective fields.

Conclusion

Harutoshi Ohura's work exemplifies the spirit of innovation in the field of chemistry. His patents and contributions to Ajinomoto Co., Ltd. highlight his commitment to advancing the science of dipeptides. His ongoing efforts continue to influence the industry positively.