Company Filing History:
Years Active: 1981-1983
Title: Innovations of Katsuhiko Nakamura
Introduction
Katsuhiko Nakamura is a prominent inventor based in Kitakyushu, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of aromatic polyesterpolycarbonates. With a total of 6 patents to his name, Nakamura's work has had a substantial impact on the industry.
Latest Patents
Nakamura's latest patents include a process for producing an aromatic polyesterpolycarbonate. This innovative process involves polycondensing a dihydroxydiaryl compound, terephthaloyl chloride, and phosgene through an interfacial polymerization process. The method is characterized by the addition of a chloroformate compound or additional phosgene to complete the reaction after a significant portion of the starting materials has reacted. Another notable patent involves a method for washing an organic solvent solution of polycarbonate. This method utilizes a water-in-oil dispersed phase to effectively separate impurities from the polycarbonate solution.
Career Highlights
Katsuhiko Nakamura is currently employed at Mitsubishi Chemical Industries Limited, where he continues to innovate and develop new chemical processes. His expertise in polymer chemistry has positioned him as a key figure in his field.
Collaborations
Throughout his career, Nakamura has collaborated with notable colleagues, including Katsuhisa Kohyama and Hazime Mori. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Katsuhiko Nakamura's contributions to the field of polymer chemistry are noteworthy. His innovative patents and collaborations highlight his commitment to advancing technology in the industry. His work continues to influence the development of new materials and processes.