This inventor holds 1 USPTO granted patent. Top assignee: Kyowa Hakko Kogyo Kabushiki Kaisha. Active years: 1976.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1976
Title: Yoichi Koiwa: Innovator in Amino Acid Chemistry
Introduction
Yoichi Koiwa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of chemistry, particularly in the preparation of amino acid derivatives. His work has implications for various applications in pharmaceuticals and biochemistry.
Latest Patents
Koiwa holds a patent for a process titled "Process for preparing N-carboxylic anhydrides of amino acids." This invention relates to an improved method for preparing N-carboxylic anhydrides of amino acids and their derivatives. The process involves reacting an amino acid, a derivative of an amino acid, or a salt thereof with trichloromethylchloroformate in an organic solvent. The method also includes the addition of carbon, basic aluminum chloride, or aluminum oxide to the reaction mixture at specific stages.
Career Highlights
Koiwa is associated with Kyowa Hakko Kogyo Kabushiki Kaisha, a prominent company in the biotechnology and pharmaceutical sectors. His work has been instrumental in advancing the understanding and application of amino acid chemistry.
Collaborations
Throughout his career, Koiwa has collaborated with esteemed colleagues such as Akira Miike and Tatsuo Nomura. These partnerships have fostered innovation and contributed to the success of various projects.
Conclusion
Yoichi Koiwa's contributions to the field of amino acid chemistry through his innovative patent demonstrate his expertise and commitment to advancing scientific knowledge. His work continues to influence the industry and inspire future research.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile