Company Filing History:
2 out of 1,100 
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1 out of 3,516 
Years Active: 1990-1999
Title: Kunihiko Shimizu: Innovator in Polymer Production
Introduction
Kunihiko Shimizu is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of polymer production, particularly in the development of methods for producing biodegradable materials. With a total of 4 patents to his name, Shimizu's work has had a notable impact on the industry.
Latest Patents
Shimizu's latest patents include a "Method and system for producing poly (lactic acid)" and an "Apparatus and method for producing 2-hydroxycarboxylic acid oligomer." The first patent describes a method that enables the trapping and recovery of lactide vapor discharged from a reaction vessel without the need for solvents. This innovative approach allows for the solidification and subsequent liquefaction of lactide, making recovery more efficient. The second patent focuses on a method for continuously producing a 2-hydroxycarboxylic acid oligomer while effectively removing water from the raw materials and the dehydration reaction. This method enhances the concentration of the raw material before it enters the polymerization reaction system.
Career Highlights
Throughout his career, Kunihiko Shimizu has worked with notable companies such as Kobe Steel, Ltd. and The Ohtsu & Rubber Co., Ltd. His experience in these organizations has contributed to his expertise in polymer production and innovation.
Collaborations
Shimizu has collaborated with esteemed colleagues, including Hiroshi Maeda and Eiichi Kawada. These partnerships have further enriched his research and development efforts in the field of polymers.
Conclusion
Kunihiko Shimizu's contributions to polymer production through his innovative patents and collaborations highlight his role as a key figure in the industry. His work continues to influence advancements in biodegradable materials and production methods.