Location History:
- Kita-gun, JP (2012)
- Kagawa, JP (2013)
Company Filing History:
3 out of 6 
3 out of 35 
2 out of 62 
Years Active: 2012-2013
Title: Innovations of Yoshio Tsujisaka in Microbial Biotechnology
Introduction
Yoshio Tsujisaka is a notable inventor based in Kagawa, Japan, recognized for his contributions to microbial biotechnology. He holds three patents that focus on the production of deoxy polyol dehydrogenase and its applications in synthesizing deoxy ketoses. His work has significant implications for the field of sugar chemistry and biotechnology.
Latest Patents
One of Tsujisaka's latest patents involves a microorganism capable of producing deoxy polyol dehydrogenase. The invention addresses the need for a microorganism that can produce this enzyme, which is crucial for converting deoxy polyols into corresponding deoxy ketoses. The bacterial cell IK7, belonging to a specific genus, has been identified as a key component in this process. The method described allows for the oxidation of deoxy polyols, such as 1-deoxy-D-allitol and L-rhamnitol, to produce deoxy ketoses like 1-deoxy-L-psicose and 1-deoxy-L-fructose.
Another patent focuses on a deoxyketohexose isomerase and its method for producing deoxyhexoses and their derivatives. This invention provides a systematic approach to generate 1- or 6-deoxy products corresponding to various aldohexoses, ketohexoses, and sugar alcohols. The method utilizes a deoxyketohexose isomerase derived from ST-24, enabling the epimerization of deoxy D-ketohexoses to yield the desired products.
Career Highlights
Throughout his career, Yoshio Tsujisaka has worked with several prominent companies, including Rare Sugar Production Technical Research Laboratories and Matsutani Chemical Industry Co., Ltd. His expertise in microbial biotechnology has allowed him to make significant advancements in the production of rare sugars and their applications.
Collaborations
Tsujisaka has collaborated with notable colleagues in the field, including Ken Izumori and Masaaki Tokuda. These partnerships have contributed to the development of innovative solutions in sugar production and biotechnology.
Conclusion
Yoshio Tsujisaka's work in microbial biotechnology exemplifies the potential of innovative research in producing valuable compounds. His patents and collaborations highlight the importance of scientific advancements in the field of sugar chemistry.