Location History:
- Yokkaichi, JP (1994)
- Kasugai, JP (1996)
Company Filing History:
Years Active: 1994-1996
Title: Isamu Katsuyama: Innovator in Chemical Production
Introduction
Isamu Katsuyama is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of chemical production, holding a total of 2 patents. His work focuses on innovative methods for synthesizing complex chemical compounds.
Latest Patents
Katsuyama's latest patents include a method for producing 2-methylspiro(1,3-oxathiolane-5,3')quinuclidine. This method involves reacting 3-hydroxy-3-mercaptomethylquinuclidine or a salt thereof with a carbonyl compound in the presence of a catalyst made from tin halides, oxyacids of phosphorus, phosphorus oxyhalides, and organic sulfonic acids. The process aims to produce the cis-form of 2-methylspiro(1,3-oxathiolane-5,3')quinuclidine or a salt thereof. Another significant patent is for producing dichloromethylpyridines, which involves reacting a trichloromethylpyridine with a reducing agent to yield a dichloromethylpyridine of a specific formula.
Career Highlights
Katsuyama is currently employed at Ishihara Sangyo Kaisha, Ltd., where he continues to innovate in the field of chemical synthesis. His work has been instrumental in advancing methods that enhance the efficiency and effectiveness of chemical production processes.
Collaborations
Throughout his career, Katsuyama has collaborated with notable colleagues, including Koji Hayashi and Sho Tokumoto. These partnerships have contributed to the development of his innovative methods and have fostered a collaborative environment for research and development.
Conclusion
Isamu Katsuyama's contributions to chemical production through his innovative patents highlight his role as a significant inventor in the field. His work continues to influence the industry and pave the way for future advancements in chemical synthesis.