Location History:
- Yokohama, JP (2017)
- Wako, JP (2006 - 2018)
- Saitama, JP (2004 - 2020)
Company Filing History:
8 out of 21,893 
2 out of 827 
1 out of 16 
Years Active: 2004-2020
Title: Keisuke Kojima: Innovator in Coating Technologies
Introduction
Keisuke Kojima is a prominent inventor based in Saitama, Japan. He has made significant contributions to the field of coating technologies, holding a total of 11 patents. His innovative methods and compositions have advanced the capabilities of multilayer coating films and clear coatings.
Latest Patents
One of his latest patents is a method for forming a multilayer coating film. This method provides excellent low-temperature impact resistance to substrates that comprise both metal and plastic materials. The process involves sequentially forming an uncured primer coating film, an uncured first colored coating film, an uncured second colored coating film, and an uncured clear coating film on a substrate. These layers are then heated to simultaneously cure all four coating films. The aqueous first and second colored paints used in this method are 1-package type paint compositions that contain specific hydroxyl group-containing resins and blocked polyisocyanate compounds.
Another notable patent is a clear coating composition designed for top coats. This composition includes a crosslinking agent and a functional group-containing (meth)acrylate polymer, which is formed by polymerizing a monomer component that includes an aromatic ring-containing (meth)acrylate and a functional group-containing monomer. This clear coat composition exhibits low colorability and a high refractive index without the use of fillers, providing excellent gloss even when fillers are applied.
Career Highlights
Throughout his career, Keisuke Kojima has worked with notable companies such as Honda Motor Co., Ltd. and Nippon Paint Company, Ltd. His experience in these organizations has allowed him to refine his expertise in coating technologies and contribute to various innovative projects.
Collaborations
Keisuke has collaborated with several professionals in his field, including Hitoshi Ohgane and Masuo Kondo. These collaborations have further enhanced his work and led to the development of advanced coating solutions.
Conclusion
Keisuke Kojima is a distinguished inventor whose work in coating technologies has led to significant advancements in the industry. His innovative patents and collaborations reflect his commitment to excellence and innovation in the field.