This inventor holds 4 USPTO granted patents. Top assignees: Matsuyama Petrochemicals Inc., Maruzen Oil Co. Ltd.. Active years: 1977-1982.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Matsuyama, JA (1977)
- Matsuyama, JP (1979 - 1982)
Company Filing History:
4 out of 9 
1 out of 32 Years Active: 1977-1982
Title: Takehiko Kitamura: Innovator in Aromatic Dicarboxylic Acid Production
Introduction
Takehiko Kitamura is a notable inventor based in Matsuyama, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of aromatic dicarboxylic acids. With a total of 4 patents to his name, Kitamura's work has advanced the methods used in the synthesis of important chemical compounds.
Latest Patents
One of Kitamura's latest patents is a process and apparatus for producing aromatic dicarboxylic acids. This innovative method involves oxidizing a benzene derivative with molecular oxygen in a liquid phase using a lower aliphatic carboxylic acid as a solvent. The process ensures that the starting material is fed into the reaction system in a uniformly dispersed state, resulting in high purity and good color of the aromatic dicarboxylic acid produced. Another significant patent focuses on producing high-quality terephthalic acid suitable for direct polymerization. This process involves oxidizing a para-dialkylbenzene in the presence of an oxidation catalyst, leading to the production of terephthalic acid with desirable properties for polyester applications.
Career Highlights
Throughout his career, Takehiko Kitamura has worked with prominent companies such as Matsuyama Petrochemicals Inc. and Maruzen Oil Co. Ltd. His expertise in chemical processes has been instrumental in developing efficient production methods for various chemical compounds.
Collaborations
Kitamura has collaborated with notable colleagues, including Motoo Shigeyasu and Hatsutaro Yamazaki. These partnerships have contributed to the advancement of his research and the successful implementation of his patented processes.
Conclusion
Takehiko Kitamura's innovative work in the production of aromatic dicarboxylic acids and terephthalic acid has made a significant impact in the field of chemical engineering. His patents reflect a commitment to improving chemical processes and enhancing product quality.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile