Company Filing History:
2 out of 265 
1 out of 28 
1 out of 832,891 Years Active: 1999-2002
Title: Nobuo Takezawa: Innovator in Powder Coating Technology
Introduction
Nobuo Takezawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of powder coating technology, holding a total of 3 patents. His innovative approaches have led to advancements that enhance both the functionality and environmental safety of coating processes.
Latest Patents
One of Nobuo Takezawa's latest patents is a powder coating composition designed for molded products with surface imperfections such as wrinkles and cavities. This composition utilizes a single or multiple film-forming resins, including epoxy, polyester, and acrylic resins, with a melt viscosity of 60 Pa·s/165°C or less. The formulation includes at least two fillers of varying particle sizes, ranging from 3 to 100 µm. This innovative coating can be applied directly to the surface without the need for pretreatment, effectively concealing surface defects and providing an aesthetically pleasing finish. Additionally, the absence of organic solvents in the composition significantly reduces air pollution and fire hazards.
Another significant patent involves a polyfunctional polycarbodiimide compound, which features multiple molecular chains bonded to a backbone. Each chain contains a carbodiimido group. This compound is produced by reacting an isocyanate compound with a polyol, polyamine, or aminoalcohol that has multiple hydroxyl or amino groups. The resulting resin composition serves as a crosslinking agent, enhancing the durability and performance of treated articles.
Career Highlights
Nobuo Takezawa has worked with prominent companies in the chemical manufacturing sector, including Dainichiseika Color & Chemicals Mfg. Co., Ltd. and Ukima Colour & Chemicals Mfg. Co., Ltd. His experience in these organizations has allowed him to refine his expertise in coating technologies and contribute to various innovative projects.
Collaborations
Throughout his career, Nobuo has collaborated with esteemed colleagues such as Masayuki Takahashi and Michiei Nakamura. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field of coatings.
Conclusion
Nobuo Takezawa's contributions to powder coating technology exemplify his commitment to innovation and environmental responsibility. His patents reflect a deep understanding of material science and a dedication to improving industrial processes. His work continues to influence