Tomoko Yanagita

Title: Tomoko Yanagita: Innovator in Pyromellitic Dianhydride Production

Introduction

Tomoko Yanagita is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of chemical engineering, particularly in the production of pyromellitic dianhydride (PMDA). With a total of 2 patents, her work has advanced the methods of producing this important chemical compound.

Latest Patents

Yanagita's latest patents include a method for producing pyromellitic dianhydride, which involves several key steps. The process begins with preparing a raw material solution by dissolving a raw material of PMDA in an acetic acid solvent. This is followed by recrystallizing the PMDA in the prepared solution to create a precursor, which is then subjected to a degassing treatment under reduced-pressure conditions. The final step involves extracting the highly pure PMDA. Additionally, she has developed a film formation method and apparatus that vaporizes multiple raw material monomers, allowing for the creation of organic films on substrates through vapor deposition polymerization.

Career Highlights

Throughout her career, Tomoko Yanagita has worked with notable companies such as L'Air Liquide and Tokyo Electron Limited. Her expertise in chemical processes has been instrumental in advancing technologies related to PMDA production.

Collaborations

Yanagita has collaborated with esteemed colleagues, including Kohei Tarutani and Takashi Kameoka, contributing to various projects that enhance the understanding and application of her inventions.

Conclusion

Tomoko Yanagita's innovative work in the production of pyromellitic dianhydride showcases her significant impact on the field of chemical engineering. Her patents reflect her dedication to advancing technology and improving industrial processes.