Company Filing History:
3 out of 614 
3 out of 499 Years Active: 1987-1991
Title: Mitsuhiko Tamura: Innovator in Polycarbonate and Copolyamide Resin Technologies
Introduction
Mitsuhiko Tamura is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of innovative processes for producing aromatic polycarbonates and copolyamide resins. With a total of 6 patents to his name, Tamura's work has had a lasting impact on the industry.
Latest Patents
One of Tamura's latest patents is a water-in-oil emulsion process for producing an aromatic polycarbonate. This process enhances heat stability during molding at high temperatures. It involves adding a tertiary amine to the water-to-oil emulsion after reducing the average diameter of liquid droplets of the water phase to not more than 10 micrometers. The resulting polycarbonate exhibits improved heat stability and produces molded articles with less coloration. Another significant patent involves a copolyamide resin that contains a dimerized fatty acid as a copolymer component. This resin features at least 25 equivalent percent of hydrocarbon groups with 6 to 22 carbon atoms at its terminals, a dimerized fatty acid content of 0.1 to 40% by weight, and a melt viscosity of 2,000 to 15,000 poise when measured at 240 degrees Celsius.
Career Highlights
Throughout his career, Mitsuhiko Tamura has worked with prominent companies such as Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation. His experience in these organizations has allowed him to refine his expertise in polymer technology and contribute to various innovative projects.
Collaborations
Tamura has collaborated with notable coworkers, including Masaaki Miyamoto and Haruo Katsumata. These partnerships have facilitated the exchange of ideas and advancements in their respective fields.
Conclusion
Mitsuhiko Tamura's contributions to the development of polycarbonate and copolyamide resin technologies highlight his innovative spirit and dedication to advancing polymer chemistry. His patents reflect a commitment to improving material properties and processing techniques, making him a significant figure in the industry.