Hidetaka Doi

Title: Hidetaka Doi: Innovator in L-Amino Acid Production

Introduction

Hidetaka Doi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of biotechnology, particularly in the production of L-amino acids. With a total of 5 patents to his name, Doi's work has had a substantial impact on the industry.

Latest Patents

Doi's latest patents include a method for producing L-amino acids. This innovative method involves culturing a bacterium from the family Enterobacteriaceae that has been genetically modified to enhance the activity of aconitase. The process allows for the efficient collection of L-amino acids from the medium or the cells of the bacterium. Another notable patent is related to a mutant RpsA gene, which provides a method for producing L-amino acids using a bacterium that can utilize fatty acids or alcohols, such as glycerol, as raw materials. This bacterium is engineered to have a mutation in the RpsA protein, allowing for improved production efficiency.

Career Highlights

Hidetaka Doi is currently employed at Ajinomoto Co., Ltd., a leading company in the food and biotechnology sectors. His work at Ajinomoto has allowed him to focus on developing innovative methods for amino acid production, contributing to the company's reputation as a pioneer in the industry.

Collaborations

Doi has collaborated with notable colleagues, including Yoshihiro Usuda and Yasushi Hoshino. These collaborations have further enhanced his research and development efforts in the field of biotechnology.

Conclusion

Hidetaka Doi's contributions to the production of L-amino acids through innovative methods have established him as a key figure in biotechnology. His patents reflect a commitment to advancing the industry and improving production processes.