Location History:
- Noda, JP (1993)
- Nagareyama, JP (1997)
Company Filing History:
Years Active: 1993-1997
Title: Yasuhiko Imai: Innovator in Enzymatic Activity Determination
Introduction
Yasuhiko Imai is a notable inventor based in Noda, Japan. He has made significant contributions to the field of enzymatic activity determination, holding a total of 2 patents. His work focuses on innovative methods that enhance the understanding and measurement of saccharide hydrolase activities.
Latest Patents
One of Yasuhiko Imai's latest patents is a method and reagent for determining exo-type saccharide hydrolase activity. This invention provides a method that involves adding a β-maltoside derivative, represented by a specific general formula, to a sample. The reaction occurs in the presence of a coupled enzyme, allowing for the optical determination of the liberated substance. Additionally, he has developed a method for differentially determining glucoamylase and α-glucosidase activities. This method utilizes the same β-maltoside derivative as the first substrate and an α-glucoside derivative as the second substrate, enabling separate enzymatic reactions and quantitative optical determination of the substances liberated.
Another significant patent by Imai is a process for producing ellagic acid. This process involves reacting a tannin with gallic acid residues with an oxidizing agent at a pH of 7 or higher, showcasing his innovative approach to chemical processes.
Career Highlights
Yasuhiko Imai is associated with Kikkoman Corporation, a leading company in the food industry known for its soy sauce and other products. His work at Kikkoman has allowed him to apply his inventive skills in practical applications that benefit the industry.
Collaborations
Throughout his career, Yasuhiko Imai has collaborated with notable colleagues, including Nobuyuki Yamaji and Kiyoshi Mizusawa. These collaborations have likely contributed to the advancement of his research and the successful development of his patents.
Conclusion
Yasuhiko Imai's contributions to enzymatic activity determination and chemical processes highlight his innovative spirit and dedication to advancing scientific knowledge. His patents reflect a commitment to improving methodologies in his field, making a lasting impact on the industry.