Company Filing History:
Years Active: 2017-2024
Title: Innovations of Hidehiro Otake
Introduction
Hidehiro Otake is a notable inventor based in Kamisu, Japan. He has made significant contributions to the field of pigments and colorants, holding a total of 2 patents. His work focuses on enhancing the properties of pigments used in various applications, particularly in printing inks.
Latest Patents
Otake's latest patents include a dioxazine pigment and colorant. The objective of this invention is to provide a dioxazine pigment with excellent fluidity. Specifically, it aims to achieve sufficient fluidity in both initial viscosity and storage stability when used in printing ink applications. The dioxazine pigment is characterized by a contact angle with respect to water in the range of 30° to 75°, and a contact angle with respect to 1-bromonaphthalene also in the range of 30° to 75°. Another significant patent is for a phthalocyanine pigment composition and method for producing the same. This invention aims to provide phthalocyanine pigment compositions that exhibit good transparency, gloss, and suitability in initial viscosity after production, along with outstanding storage stability in liquid ink applications. The composition includes copper phthalocyanine, a rosin compound, copper phthalocyanine sulfonic acid or its salt, and an aliphatic amine, with the calcium content being 200 ppm or less.
Career Highlights
Hidehiro Otake is associated with Dic Corporation, where he continues to innovate in the field of pigments. His work has been instrumental in advancing the quality and performance of colorants used in various industries.
Collaborations
Otake has collaborated with notable coworkers such as Nagatoshi Kobayashi and Taichi Hashiguchi. Their combined expertise contributes to the innovative projects at Dic Corporation.
Conclusion
Hidehiro Otake's contributions to pigment technology reflect his commitment to innovation and excellence. His patents demonstrate a clear focus on improving the functionality and stability of colorants in practical applications.