Location History:
- Toyonaka-shi, Osaka-fu, JP (1990)
- Toyonaka, JP (1991)
- Ohsaka, JP (1993)
- Osaka, JP (1989 - 1994)
Company Filing History:
7 out of 827 
1 out of 5,966 
1 out of 832,680 Years Active: 1989-1994
Title: Ryozo Takagawa: Innovator in Polymer Chemistry
Introduction
Ryozo Takagawa is a prominent inventor based in Osaka, Japan, known for his significant contributions to the field of polymer chemistry. With a total of nine patents to his name, Takagawa has made remarkable advancements in thermosetting polyester resins and powder coating compositions.
Latest Patents
One of his latest patents involves a thermosetting polyester resin capable of forming an anisotropic molten phase. This invention includes a repeating unit of the formula: A-X-B, or a combination of this unit and another repeating unit, R. The resin is designed to have specific properties, including end bondings occupied by OH, COOH, or their reactive derivatives, with a resinous acid value and OH value ranging from 10 to 200. Additionally, he has developed a process for preparing polymerizable compounds that are useful for creating acrylic resins with excellent flexibility, weather resistance, and water resistance.
Career Highlights
Throughout his career, Ryozo Takagawa has worked with notable companies such as Nippon Paint Company, Ltd. and Shin-Etsu Chemical Co., Ltd. His work has significantly impacted the development of advanced materials in the coatings industry.
Collaborations
Takagawa has collaborated with esteemed colleagues, including Hisaki Tanabe and Yoshio Eguchi, contributing to various innovative projects in polymer chemistry.
Conclusion
Ryozo Takagawa's contributions to the field of polymer chemistry through his patents and collaborations highlight his role as a key innovator. His work continues to influence advancements in materials science and coatings technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.