Hisayou Ohsawa

Title: Hisayou Ohsawa: Innovator in Piperidine Derivatives

Introduction

Hisayou Ohsawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of chemistry, particularly in the development of piperidine derivatives. With a total of 5 patents to his name, Ohsawa continues to push the boundaries of innovation in his area of expertise.

Latest Patents

His latest patents include groundbreaking work on piperidine derivatives. One of his notable inventions involves piperidine derivatives characterized by a specific formula, where R' represents an alkyl, an acyl, an alkoxycarbonyl, an amino, or a nitroso group. Additionally, he has developed polymer compositions that incorporate piperidine derivatives as stabilizers. These synthetic polymer compositions are designed to be stabilized against photo- and thermal deterioration, showcasing the practical applications of his research.

Career Highlights

Ohsawa is currently associated with Sankyo Company, Limited, where he applies his expertise in chemistry to develop innovative solutions. His work has not only advanced the understanding of piperidine derivatives but has also contributed to the broader field of polymer chemistry.

Collaborations

Throughout his career, Ohsawa has collaborated with notable colleagues, including Takao Yoshioka and Toshimasa Toda. These partnerships have fostered a collaborative environment that enhances the innovation process.

Conclusion

Hisayou Ohsawa's contributions to the field of chemistry, particularly through his patents on piperidine derivatives, highlight his role as a key innovator. His work continues to influence the industry and pave the way for future advancements.