This inventor holds 5 USPTO granted patents. Top assignees: Daicel Chemical Industries, Ltd., Huls Aktiengesellschaft, Sapporo Breweries Limited. Active years: 1984-1995.
Location History:
- Ohimachi, JP (1984)
- Himeji, JP (1988)
- Hyogo, JP (1989 - 1992)
- Ibo, JP (1995)
Company Filing History:
4 out of 1,165 
1 out of 123 
1 out of 113 
Years Active: 1984-1995
Title: Kimitoshi Kawai: Innovator in Biochemical Production
Introduction
Kimitoshi Kawai is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of biochemical production, particularly in the development of processes for producing high optical purity D-lactic acid and riboflavin. With a total of 5 patents to his name, Kawai's work has had a substantial impact on the industry.
Latest Patents
One of Kawai's latest patents involves the production of high optical purity D-lactic acid. This process allows for the continuous production of D-lactic acid by conducting fermentation in a specialized medium. The method utilizes a seed culture derived from a previous fermentation step, ensuring that the optical purity of the D-lactic acid is maintained. Additionally, air can be used in this process to enhance efficiency. Another significant patent focuses on the preparation of riboflavin. In this method, riboflavin is effectively obtained by culturing a purine-requiring revertant derived from a riboflavin-producing yeast or a resistant riboflavin-producing yeast. The riboflavin produced is then collected for various applications.
Career Highlights
Throughout his career, Kawai has worked with prominent companies such as Daicel Chemical Industries, Ltd. and Sapporo Breweries Limited. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in biochemical production.
Collaborations
Kawai has collaborated with notable coworkers, including Shoichi Takao and Akinobu Matsuyama. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Kimitoshi Kawai's contributions to biochemical production through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to inspire advancements in the industry.