Location History:
- Kashima-gun, JP (2001)
- Hasaki-machi, JP (2001)
Company Filing History:
Years Active: 2001-2025
Title: Kazuhiro Kumakura: Innovator in Polymer Production
Introduction
Kazuhiro Kumakura is a notable inventor based in Kashima-gun, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of vinyl chloride type polymers. With a total of 4 patents to his name, Kumakura's work has had a lasting impact on the industry.
Latest Patents
Kumakura's latest patents focus on methods for producing vinyl chloride type polymers. One of his innovative methods involves polymerizing a vinyl chloride monomer, or a mixture of a vinyl chloride monomer with a copolymerizable monomer, in an aqueous medium using a polymerization reactor. This process includes charging an aqueous solution of a copolymerized polyether with a specific weight-average molecular weight and mole ratio of ethylene oxide to propylene oxide into the reactor. The precise amounts used are critical for achieving the desired polymer characteristics.
Career Highlights
Kumakura is currently employed at Shin-Etsu Chemical Co., Ltd., where he continues to advance his research and development efforts. His expertise in polymer chemistry has positioned him as a key player in the field, contributing to the company's innovative projects and product offerings.
Collaborations
Throughout his career, Kumakura has collaborated with esteemed colleagues such as Hiroshi Fukudome and Toshihiko Kawakubo. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and enhances the quality of their research.
Conclusion
Kazuhiro Kumakura's contributions to polymer production exemplify the spirit of innovation in the field of chemistry. His patents and ongoing work at Shin-Etsu Chemical Co., Ltd. continue to influence the industry and inspire future advancements.