Location History:
- Kurashiki, JP (1997 - 1998)
- Okayama-ken, JP (2000 - 2002)
- Okayama, JP (2003 - 2006)
Company Filing History:
7 out of 2,247 
5 out of 789 
5 out of 14 Years Active: 1997-2006
Title: Fumio Ohkoshi: Innovator in Crystallization and Aromatic Carboxylic Acid Production
Introduction
Fumio Ohkoshi is a notable inventor based in Kurashiki, Japan. He has made significant contributions to the fields of crystallization and aromatic carboxylic acid production. With a total of 9 patents to his name, Ohkoshi's work has had a substantial impact on industrial processes.
Latest Patents
Ohkoshi's latest patents include a method of crystallization that proposes a process involving the feeding of a slurry solution containing terephthalic acid into a crystallization vessel. This innovative method allows for the precipitation of terephthalic acid, generating a slurry with crystals and solvent. The process ensures that large particle size crystals are obtained, preventing any adhesion or accumulation in the crystallization vessel, thus enabling stable long-term operation.
Another significant patent is a process for producing aromatic carboxylic acid. This process involves the continuous liquid-phase oxidation of poly-alkyl aromatic hydrocarbons. It includes steps for supplying an oxidation reactor with necessary components, separating reaction products, and condensing evaporated acetic acid. This method effectively eliminates issues in the condenser caused by solid materials, ensuring stable operation in aromatic carboxylic acid production.
Career Highlights
Fumio Ohkoshi has worked with prominent companies such as Mitsubishi Gas Chemical Company, Inc. and Toyo Boseki Co., Ltd. His experience in these organizations has contributed to his expertise in chemical processes and innovations.
Collaborations
Ohkoshi has collaborated with notable coworkers, including Masato Inary and Fumiya Zaima. Their combined efforts have further advanced the research and development of innovative processes in their respective fields.
Conclusion
Fumio Ohkoshi's contributions to crystallization and aromatic carboxylic acid production highlight his role as a significant inventor. His innovative methods and processes continue to influence the industry, showcasing the importance of his work in advancing chemical engineering.