Kazuhiko Ohta

Title: Kazuhiko Ohta: Innovator in Carboxylic Acid Ester Production

Introduction

Kazuhiko Ohta is a prominent inventor based in Ikeda, Japan. He has made significant contributions to the field of chemistry, particularly in the production of carboxylic acid esters. With a total of 5 patents to his name, Ohta's work has had a notable impact on various applications in the industry.

Latest Patents

Ohta's latest patents include a process for producing carboxylic acid esters using carboxyesterase. This innovative method involves reacting a hydroxy compound, such as a primary or secondary alcohol, lankacidin C, or maridomycin with a carboxylic anhydride in the presence of carboxylesterase as a catalyst in an organic solvent. Another significant patent is for a physiologically active substance, P-23924, which is useful as an inhibitor of animal tissue fibrosis and as a biochemical reagent. The compound is characterized by a specific formula that includes various functional groups.

Career Highlights

Kazuhiko Ohta is associated with Takeda Chemical Industries, Inc., where he has been able to apply his expertise in chemistry to develop innovative solutions. His work has contributed to advancements in the production of important chemical compounds.

Collaborations

Ohta has collaborated with notable coworkers, including Kiyoshi Nara and Hisayoshi Okazaki. These collaborations have fostered a productive environment for innovation and research.

Conclusion

Kazuhiko Ohta's contributions to the field of chemistry, particularly in the production of carboxylic acid esters, highlight his role as a significant inventor. His patents and collaborations reflect his commitment to advancing scientific knowledge and practical applications in the industry.