Company Filing History:
1 out of 614 
1 out of 499 Years Active: 1989-1991
Title: Isao Akihara: Innovator in Aromatic Polycarbonate Production
Introduction
Isao Akihara is a notable inventor based in Kitakyushu, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the production of aromatic polycarbonates. With a total of 2 patents to his name, Akihara's work has advanced the understanding and application of water-in-oil emulsions in polymer production.
Latest Patents
Akihara's latest patents include a process for producing an aromatic polycarbonate in a water-in-oil emulsified form. This innovative process enhances heat stability during molding at high temperatures. The method 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 details a process for producing a resin with carbonate bonding. This involves polymerizing a hydroxydiaryl compound and phosgene in an organic solvent, specifically methylene chloride, while controlling the concentration of carbon tetrachloride in the polymerization system.
Career Highlights
Throughout his career, Isao Akihara 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 chemistry and contribute to various innovative projects.
Collaborations
Akihara has collaborated with notable colleagues, including Shinichiro Koga and Akira Matsuno. These partnerships have fostered a collaborative environment that has led to advancements in their respective fields.
Conclusion
Isao Akihara's contributions to the field of aromatic polycarbonate production highlight his innovative spirit and dedication to advancing polymer chemistry. His patents reflect a commitment to improving material properties and production processes, making a lasting impact in the industry.