Company Filing History:
1 out of 36,922 
1 out of 342 Years Active: 1993
Title: The Innovative Contributions of Koji Kuroyanagi
Introduction
Koji Kuroyanagi is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of pigments and coatings, particularly with his innovative patent that enhances the properties of metallic paints.
Latest Patents
Kuroyanagi holds a patent for a pigment and the process for producing it. This invention discloses a pigment that includes a transparent or semi-transparent scaly substrate, a TiO2 layer coated on the entire surface of the substrate, and light-absorbing portions formed on the surface of the TiO2 layer. The pigment is designed to produce a metallic glossy effect, strong interference colors, and great covering power, making it suitable for use in automobile top coat paints. The production process involves sputtering onto a conventional pearl mica pigment, with an additional step to improve weather resistance by coating chromium (III) hydroxide.
Career Highlights
Throughout his career, Kuroyanagi has worked with prominent companies such as Toyota Motor Corporation and Nisshin Steel Co., Ltd. His experience in these organizations has contributed to his expertise in the development of advanced materials and coatings.
Collaborations
Kuroyanagi has collaborated with notable coworkers, including Hiroshi Itoh and Yuji Tanaka. Their combined efforts have led to advancements in the field of pigments and coatings.
Conclusion
Koji Kuroyanagi's innovative work in the development of pigments and coatings has made a significant impact in the industry. His patent showcases his ability to enhance the properties of materials, particularly for automotive applications.