Location History:
- Otake, JA (1976)
- Ohtake, JP (1985)
- Otake, JP (1985)
Company Filing History:
Years Active: 1976-1985
Title: Innovations of Katsumi Tamai
Introduction
Katsumi Tamai is a notable inventor based in Ohtake, Japan. He has made significant contributions to the field of methacrylic resin technology. With a total of three patents to his name, his work has had a considerable impact on various applications, particularly in optical instruments and information recording substrates.
Latest Patents
Katsumi Tamai's latest patents include a methacrylic resin shaped article and a process for producing a low hygroscopic methacrylic resin. The first patent describes a novel methacrylic resin shaped article made from unique compositions. This article comprises 80 to 99.9% by weight of methyl methacrylate polymer or copolymer, forming a continuous phase, and 0.1 to 20% by weight of a polymer derived from unsaturated monomers. The resulting shaped article features a latent mat surface that can be converted to a mat surface through stretching at elevated temperatures. The second patent focuses on producing a methacrylic resin with reduced water absorption properties. This resin is particularly useful in optical instruments and as substrates for information recording.
Career Highlights
Katsumi Tamai is currently employed at Mitsubishi Rayon Company, Limited, where he continues to innovate in the field of polymer chemistry. His work has been instrumental in advancing the properties and applications of methacrylic resins.
Collaborations
Throughout his career, Katsumi has collaborated with notable colleagues, including Kazumasa Kamada and Kazunori Abe. These collaborations have further enriched his research and development efforts.
Conclusion
Katsumi Tamai's contributions to methacrylic resin technology exemplify the importance of innovation in material science. His patents reflect a commitment to enhancing the functionality and applicability of these materials in various industries.