This inventor holds 1 USPTO granted patent. Top assignees: Hoechst Aktiengesellschaft, Polyplastics Co., Ltd.. Active years: 1994.
Company Filing History:
1 out of 6,705 
1 out of 381 
Years Active: 1994
Title: The Innovations of Nagayoshi Maeda
Introduction
Nagayoshi Maeda is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of polyoxymethylene copolymers. His innovative approaches have led to advancements in the efficiency and quality of these materials.
Latest Patents
Maeda holds a patent for a "Process for producing polyoxymethylene copolymer having reduced amount." This process involves forming a crude polyoxymethylene copolymer by subjecting a reaction system containing trioxane, a cyclic ether or cyclic formal comonomer, and a catalyst to copolymerization reaction conditions. The method emphasizes the adjustment of impurities and catalyst content in the copolymerization reaction system to enhance the quality of the final product. The crude polyoxymethylene copolymer is quenched to a temperature of 45°C or less within 30 seconds after completion of copolymerization, ensuring optimal results.
Career Highlights
Throughout his career, Maeda has worked with prominent companies such as Polyplastics Co., Ltd. and Hoechst Aktiengesellschaft. His experience in these organizations has allowed him to refine his expertise in polymer production and innovation.
Collaborations
Maeda has collaborated with notable professionals in his field, including Dietrich Fleischer and Makoto Kamiya. These partnerships have contributed to the advancement of his research and the successful implementation of his patented processes.
Conclusion
Nagayoshi Maeda's contributions to the field of polymer chemistry, particularly through his patented processes, highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in material science.