Company Filing History:
Years Active: 2011-2014
Title: Innovations by Makoto Sekiyama
Introduction
Makoto Sekiyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of carbon black technology, holding a total of four patents. His work focuses on methods for producing high-quality aqueous dispersions of surface-treated carbon black particles.
Latest Patents
Sekiyama's latest patents include a method for producing an aqueous dispersion of surface-treated carbon black particles. This innovative method enhances blackness and dispersibility while ensuring excellent storage stability. It also suppresses feathering and exhibits remarkable discharge capability and rubfastness, which is crucial for quick-drying applications. The process involves creating an aqueous dispersion of oxidized carbon black particles and neutralizing acidic hydroxyl groups with polyvalent and monovalent cations. Another notable patent is the preparation method for aqueous polyurethane resin-pigment dispersion, which results in a pigment aqueous dispersion that demonstrates excellent image density, dispersibility, and storage stability.
Career Highlights
Makoto Sekiyama is currently employed at Tokai Carbon Company, Ltd., where he continues to innovate in the field of carbon black technology. His expertise has led to advancements that benefit various applications, particularly in the ink and pigment industries.
Collaborations
Sekiyama has collaborated with notable colleagues, including Tomoaki Kirino and Shigehiro Tanaka. Their combined efforts have contributed to the development of cutting-edge technologies in their field.
Conclusion
Makoto Sekiyama's work exemplifies the importance of innovation in material science, particularly in the production of carbon black dispersions. His patents reflect a commitment to enhancing product performance and stability in various applications.