Location History:
- Yokkaichi, JP (2005)
- Osaka, JP (2006 - 2009)
- Tokyo, JP (2010 - 2015)
Company Filing History:
6 out of 1,157 
3 out of 2,530 
1 out of 1 Years Active: 2005-2015
Title: Masamichi Kezuka: Innovator in Noble Metal Fine Particles
Introduction
Masamichi Kezuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of noble metal fine particles. With a total of 7 patents to his name, his work has implications in various industries, including photocatalysis and nanotechnology.
Latest Patents
Kezuka's latest patents include innovative methods for producing and utilizing noble metal fine particles. One notable invention is a noble metal fine particle with a protein adsorbed on its surface. This invention allows for excellent redispersibility of the particles, which is crucial for various applications. By adjusting the pH of the dispersed liquid to the isoelectric point of the proteins, the noble metal fine particles can be aggregated without degrading the proteins. This results in a stable product that maintains its average particle diameter even after redispersion.
Another significant patent involves a photocatalyst that contains metallic ultrafine particles supported on a substrate. This photocatalyst is produced using a metallic nanocolloid liquid that is free from protective colloid formation agents. The process allows for the creation of a highly active photocatalyst at a low cost, making it accessible for various applications.
Career Highlights
Throughout his career, Masamichi Kezuka has worked with notable companies such as Nippon Sheet Glass Company, Limited and Hoya Corporation. His experience in these organizations has contributed to his expertise in the field of materials science and innovation.
Collaborations
Kezuka has collaborated with several professionals in his field, including Kiyoshi Miyashita and Ryohei Ogawa. These collaborations have likely enhanced his research and development efforts, leading to the successful patents he holds today.
Conclusion
Masamichi Kezuka is a distinguished inventor whose work in noble metal fine particles and photocatalysts has made a significant impact in materials science. His innovative approaches and collaborations continue to influence the industry, showcasing the importance of research and development in advancing technology.