Location History:
- Fukuoka, JP (1990 - 2009)
- Kita-Kyushu, JP (1986 - 2019)
Company Filing History:
16 out of 102 
8 out of 123 Years Active: 1986-2019
Title: **The Innovations of Tsuguo Koyanagi: A Pioneer in Silica and Coating Technologies**
Introduction
Tsuguo Koyanagi, based in Kitakyushu, Japan, is a prolific inventor with a remarkable portfolio of 24 patents. His work primarily focuses on advancements in silica particle production and innovative coating technologies. His inventions have significant applications in various industries, particularly in electronics and materials science.
Latest Patents
One of Koyanagi's notable recent patents is a **Method for Producing Disintegrated Silica Particles**. This invention involves a unique process where silica particles are calcined and then subjected to swirling airflow in a disintegration container. This method effectively disintegrates the silica particles while simultaneously improving their hygroscopicity and dispersibility in resin. The innovation also introduces the use of dehumidified air during disintegration, which further enhances the particles’ characteristics. Additionally, a subsequent heating treatment allows for surface modification, greatly improving the resin compositions' injectability and filterability in applications such as semiconductor underfill materials and liquid crystal displays.
Another significant patent is the **Water-Repellant Transparent Coating-Substrate Assembly and Process for Producing the Same**. This invention comprises a substrate with a water-repellent transparent coating that includes an inorganic oxide fine particle layer. The coating is designed with intentional surface irregularities that optimize its water contact angle, making it highly effective for various applications.
Career Highlights
Throughout his career, Tsuguo Koyanagi has contributed his expertise to companies such as Catalysts & Chemicals Industries Co., Ltd. and JGC Catalysts & Chemicals Ltd. His work in these organizations has been pivotal in developing cutting-edge technologies that address the needs of modern manufacturing and electronic applications.
Collaborations
Koyanagi has worked alongside esteemed colleagues, including Michio Komatsu and Katsuhiro Shirono. His collaborations with these professionals have fostered an environment of creativity and innovation, resulting in pioneering advancements in their respective fields.
Conclusion
Tsuguo Koyanagi stands out as a distinguished inventor with a strong commitment to innovation in silica and coating technologies. His patents not only highlight his technical prowess but also his ability to address real-world challenges through creative solutions. As the demand for high-performance materials continues to grow, Koyanagi’s innovations will undoubtedly play a critical role in shaping the future of manufacturing and technology.