Location History:
- Honjyo, JP (1989 - 1990)
- Koganei, JP (1990)
Company Filing History:
3 out of 318 
1 out of 138 
Years Active: 1989-1990
Title: Hisashi Ohbayashi: Innovator in Pharmaceutical Chemistry
Introduction
Hisashi Ohbayashi is a notable inventor in the field of pharmaceutical chemistry, recognized for his contributions to the development of beta-lactamase inhibitors. He is based in Koganei, Japan, and holds a total of 3 patents.
Latest Patents
His latest patents include a process for preparing 2.beta.-substituted-methylpenicillin derivatives. This process involves reacting specific compounds to create derivatives that are crucial in the pharmaceutical industry. Another significant patent focuses on 2.beta.-substituted-methylpenicillanic acid derivatives, which are useful as beta-lactamase inhibitors. These compounds are characterized by their unique chemical structures, which include various heterocyclic groups.
Career Highlights
Throughout his career, Ohbayashi has worked with prominent companies in the pharmaceutical sector, including Taiho Pharmaceutical Company Limited and Otsuka Kagaku Kabushiki Kaisha. His work has significantly impacted the development of new medications and treatments.
Collaborations
Some of his notable coworkers include Sigeru Torii and Hideo Tanaka, who have also made significant contributions to the field of pharmaceutical research.
Conclusion
Hisashi Ohbayashi's innovative work in pharmaceutical chemistry continues to influence the development of important medical compounds. His patents and collaborations reflect his dedication to advancing healthcare through scientific research.