Company Filing History:
Years Active: 2003-2016
Title: Hitoshi Watanabe: Innovator in Titanium Oxide Technologies
Introduction
Hitoshi Watanabe is a prominent inventor based in Himeji, Japan. He has made significant contributions to the field of materials science, particularly in the development of titanium oxide technologies. With a total of 9 patents to his name, Watanabe's work has advanced the understanding and application of photocatalytic materials.
Latest Patents
Watanabe's latest patents include innovative products such as a titanium oxide dispersion liquid, a titanium oxide coating liquid, and a photocatalyst coating film. The titanium oxide dispersion liquid he developed exhibits superior dispersibility and stability. When applied and dried, it forms a photocatalyst coating film that rapidly develops excellent photocatalytic activity. This dispersion liquid comprises titanium oxide particles, a dispersing agent, and a solvent. The titanium oxide particles support a transition metal compound, while the dispersing agent includes poly(acrylic acid) or its salts, preferably with a weight-average molecular weight ranging from 1000 to 100000.
Another notable patent involves a process for producing photoresist polymeric compounds. This process utilizes a mixture of monomers, including those with lactone skeletons and alicyclic structures with hydroxyl groups. The method ensures that the resulting photoresist polymeric compounds have an extremely low metallic impurity content, enhancing their effectiveness in various applications.
Career Highlights
Watanabe has worked with notable companies such as Daicel Chemical Industries, Ltd. and Daicel Corporation. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to groundbreaking innovations in the field.
Collaborations
Throughout his career, Watanabe has collaborated with esteemed colleagues, including Hidetaka Hayamizu and Masaaki Kishimura. These partnerships have fostered a collaborative environment that has led to significant advancements in their respective fields.
Conclusion
Hitoshi Watanabe's contributions to titanium oxide technologies and photoresist polymeric compounds highlight his role as a leading inventor in materials science. His innovative patents and collaborations continue to influence the industry and pave the way for future advancements.