This inventor holds 4 USPTO granted patents. Top assignee: Mitsui Toatsu Chemicals, Incorporated. Active years: 1977-1987.
Location History:
- Tokyo, JA (1977)
- Suwa, JP (1981)
- Omuta, JP (1981)
- Fukuoka, JP (1987)
Company Filing History:
Years Active: 1977-1987
Title: Masaaki Torisu: Innovator in Chemical Processes
Introduction
Masaaki Torisu is a notable inventor based in Suwa, Japan. He has made significant contributions to the field of chemistry, particularly in the preparation of various chemical compounds. With a total of 4 patents to his name, Torisu's work has had a meaningful impact on the industry.
Latest Patents
Among his latest patents is a process for the preparation of 5,6,7,8-tetrahydrofolic acid. This innovative method involves dissolving and/or suspending folic acid or dihydrofolic acid in an aqueous solution containing an inorganic base. The resulting solution or suspension is then brought into contact with hydrogen in the presence of a noble metal catalyst while maintaining its pH at 5-9, thereby catalytically hydrogenating the folic acid or dihydrofolic acid into 4,5,6,7-tetrahydrofolic acid. Another significant patent is for the preparation of aminoaryl thiophosphates and aminoaryl. This process includes hydrolyzing an N-acetylaminoaryl thiophosphate or phosphate by heating it in an aqueous solution of a mineral acid.
Career Highlights
Masaaki Torisu is currently employed at Mitsui Toatsu Chemicals, Incorporated, where he continues to innovate and develop new chemical processes. His work has been instrumental in advancing the company's research and development efforts.
Collaborations
Torisu has collaborated with several talented individuals in his field, including Ryuichi Yamamoto and Michihiro Tsujimoto. These collaborations have fostered a creative environment that encourages the exchange of ideas and expertise.
Conclusion
Masaaki Torisu is a distinguished inventor whose contributions to chemical processes have been recognized through his patents. His innovative approaches continue to influence the field and inspire future advancements.