This inventor holds 4 USPTO granted patents and 2 published patent applications and 1 EPO patent. Top assignees: Jgc Corporation, Mitsubishi Chemical Corporation, Mitsubishi Gas Chemical Company, Inc.. Active years: 1999-2013.
Location History:
- Oarai-machi, JP (2003)
- Yokohama, JP (1999 - 2013)
Company Filing History:
3 out of 165 
1 out of 2,420 
1 out of 2,300 
Years Active: 1999-2013
Title: Nobuyasu Chikamatsu: Innovator in Olefin Production
Introduction
Nobuyasu Chikamatsu is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of lower olefins. With a total of 4 patents to his name, Chikamatsu's work has had a considerable impact on the industry.
Latest Patents
Chikamatsu's latest patents include a method for the production of lower olefins and a process and apparatus for producing propylene. The method for production of lower olefins involves using dimethyl ether (DME) as a raw material. This innovative approach allows for the production of lower olefins, such as propylene, with high yield and economic efficiency. It prolongs the time until the reversible deactivation of a zeolite catalyst and prevents irreversible deactivation, thereby enhancing thermal efficiency and simplifying operations. The process for producing propylene includes feeding dimethyl ether or methanol to a reactor in the presence of a catalyst. It also involves separating low-boiling compounds from the reaction product and recycling a significant proportion back to the reactor.
Career Highlights
Throughout his career, Chikamatsu has worked with prominent companies such as JGC Corporation and Mitsubishi Gas Chemical Company, Inc. His experience in these organizations has contributed to his expertise in chemical processes and innovations.
Collaborations
Chikamatsu has collaborated with notable colleagues, including Hiroshi Umino and Hirofumi Ito. These partnerships have likely fostered a creative environment for developing new technologies and methodologies in olefin production.
Conclusion
Nobuyasu Chikamatsu is a distinguished inventor whose work in the production of lower olefins has advanced the field of chemical engineering. His innovative methods and processes continue to influence the industry positively.