Company Filing History:
3 out of 215 
1 out of 50 Years Active: 2024-2025
Title: Hirotake Kitagawa: Innovator in Inorganic Oxide Technologies
Introduction
Hirotake Kitagawa is a notable inventor based in Sodegaura, Japan. He has made significant contributions to the field of inorganic oxide technologies, holding a total of 3 patents. His work focuses on the development of advanced materials with unique properties and applications.
Latest Patents
One of Kitagawa's latest patents is titled "Dispersion of surface-treated silica-containing inorganic oxide particles and method for producing same." This invention involves a dispersion that includes silane-bonded inorganic oxide particles with surfaces modified by a hydrolyzable silane. The dispersion medium contains a hydrolysate of the silane, and the ratio of silicon atoms in the hydrolysate to those bonded to the particles is carefully controlled. The inorganic oxide particles have an average diameter ranging from 5 nm to 100 nm, comprising silica and other inorganic oxides such as alumina and titanium oxide.
Another significant patent is "Exfoliated layer dispersion of layered compound, and transparent substrate using same." This patent describes a stable dispersion of exfoliated layer substances achieved through interlayer exfoliation of a layered compound. The dispersion includes quaternary ammonium ions and an anionic surfactant, resulting in plate-like particles with specific dimensions. This innovation has potential applications in creating transparent substrates.
Career Highlights
Hirotake Kitagawa has worked with prominent organizations, including Nissan Chemical Corporation and the University Public Corporation Osaka. His experience in these institutions has allowed him to develop and refine his innovative ideas in the field of materials science.
Collaborations
Throughout his career, Kitagawa has collaborated with esteemed colleagues such as Satoru Murakami and Masashi Abe. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Hirotake Kitagawa is a distinguished inventor whose work in inorganic oxide technologies has led to several innovative patents. His contributions continue to impact the field, showcasing the importance of research and collaboration in driving technological advancements.