Location History:
- Iwaki, JP (1992 - 2001)
- Fukushima, JP (2005 - 2007)
- Tokyo, JP (2012 - 2016)
Company Filing History:
5 out of 328 
3 out of 776 
2 out of 137 
Years Active: 1992-2016
Title: **Kazuhiko Sunagawa: A Pioneer in Chemical Innovations**
Introduction
Kazuhiko Sunagawa is an esteemed inventor based in Tokyo, Japan, renowned for his significant contributions to the field of chemistry. With a total of 13 patents to his name, he has demonstrated exceptional ingenuity and creativity through his innovative methodologies and compounds.
Latest Patents
Among his recent accomplishments, Kazuhiko Sunagawa has developed several noteworthy patents. His work on a "Method for manufacturing oxetane compound" encompasses a detailed approach to producing intermediate compounds that lead to stereoselectively obtained cyclic alcohol compounds. In this process, he reacted a specified compound with a cyanide salt, focusing on various possible variances in the components involved.
His patent titled "Branched poly(arylene sulfide) resin and method for producing same" outlines a novel type of resin characterized by a specific melt viscosity and other distinct properties. This advancement emphasizes the importance of polymerization reactions conducted in an organic amide solvent, combining sulfur sources with dihaloaromatic compounds at carefully controlled temperatures.
Career Highlights
Kazuhiko Sunagawa's career has seen him associated with prominent organizations such as Kureha Corporation and Kureha Kagaku Kogyo Kabushiki Kaisha. His contributions in these esteemed institutions have paved the way for substantial developments in chemical manufacturing processes.
Collaborations
Throughout his career, Sunagawa has collaborated with notable colleagues including Hajime Hoshi and Kazuyuki Yamane. These partnerships have facilitated a rich exchange of ideas and have played a crucial role in fostering innovation within their projects.
Conclusion
Kazuhiko Sunagawa stands as a notable figure in the landscape of chemical inventions. His patents and collaborative efforts are contributions that continue to shape and influence advancements within the industry. With a passion for innovation, he shows no signs of slowing down, promising continued impact in the field.