Location History:
- Yokohama, JA (1977 - 1978)
- Yokohama, JP (1979 - 1981)
Company Filing History:
4 out of 161 
2 out of 1,357 Years Active: 1977-1981
Title: Yoshiya Kametani: Innovator in Polymer Chemistry
Introduction
Yoshiya Kametani is a noteworthy inventor based in Yokohama, Japan, recognized for his significant contributions to the field of polymer chemistry. With a portfolio of five patents, his innovative work primarily focuses on the development of useful monomers and the processes for their production, which have a wide range of applications.
Latest Patents
Among his latest patents, Kametani developed a method for preparing dimethylaminoethyl methacrylate. This valuable monomer is essential for the production of polymers that serve as flocculants, antistatic agents, and soil enhancing substances. His process allows for the preparation of dimethylaminoethyl methacrylate with high purity and yield by employing transesterification involving methyl methacrylate and dimethylaminoethanol, facilitated by di-n-octyltin oxide as a catalyst. Additionally, he has patented a process that utilizes various alkyltin compounds as catalysts for the transesterification reaction, including tetrabutyltin and dibutyltin derivatives.
Career Highlights
Kametani’s career includes significant tenures at notable companies such as Nitto Chemical Industry Co., Ltd. and Mitsubishi Rayon Company, Limited. His work at these organizations has allowed him to hone his expertise in polymer production and chemistry, leading to his successful invention of innovative chemical processes.
Collaborations
Throughout his career, Kametani has collaborated with esteemed colleagues, including Yasuo Iino and Koji Mimura. These partnerships have played a crucial role in facilitating the exchange of ideas and advancing research in his field of specialization.
Conclusion
Yoshiya Kametani stands out as an influential inventor in the realm of polymer chemistry. His innovative processes for synthesizing essential monomers underscore his commitment to advancing chemical technologies. With a solid track record of patents and collaborations, Kametani's work continues to contribute positively to various industries reliant on high-performance polymers.