Tatsuya Kiyasu

Title: Tatsuya Kiyasu: Innovator in Biochemical Processes

Introduction

Tatsuya Kiyasu is a notable inventor based in Fujisawa, Japan. He has made significant contributions to the field of biochemistry, particularly in the production of essential vitamins and compounds. With a total of 7 patents to his name, Kiyasu's work has had a considerable impact on the industry.

Latest Patents

Among his latest patents is an enzymatic process for the manufacture of L-ascorbic acid and D-erythorbic acid. This innovative process involves producing L-ascorbic acid from 2-keto-L-gulonic acid or D-erythorbic acid from 2-keto-D-gluconic acid by contacting these compounds with an enzyme having α-amylase activity in solution. The solvent for this reaction can be water, an aqueous alcohol, an organic solvent, or a mixture thereof. Additionally, Kiyasu has developed biotin biosynthetic genes having biotin synthase activity. This invention relates to the production process of biotin by fermentation using a genetically engineered microorganism, along with the DNA sequences and vectors utilized in this process.

Career Highlights

Kiyasu has worked with prominent companies in the industry, including Roche Vitamins Inc. and Dsm Nutritional Products Inc. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking research and development in biochemistry.

Collaborations

Throughout his career, Kiyasu has collaborated with esteemed colleagues such as Tatsuo Hoshino and Yoshie Nagahashi. These partnerships have fostered innovation and have been instrumental in advancing their shared goals in the field.

Conclusion

Tatsuya Kiyasu's contributions to biochemistry through his patents and collaborations highlight his role as a significant innovator in the industry. His work continues to influence the production of vital compounds, showcasing the importance of innovation in scientific research.