Location History:
- Yokohama, JP (2005)
- Mie, JP (2008)
Company Filing History:
Years Active: 2005-2008
Title: Masanobu Yokoyama: Innovator in Polyvinyl Alcohol Based Technologies
Introduction
Masanobu Yokoyama is a notable inventor based in Mie, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative recording liquids and copolymers. With a total of 2 patents to his name, Yokoyama's work has had a substantial impact on printing technologies.
Latest Patents
Yokoyama's latest patents include a polyvinyl alcohol based block copolymer and a pigment dispersion aqueous liquid utilizing this copolymer. This recording liquid is designed to produce printed materials with high printing density, minimal blur, and excellent fastness, including light and water fastness. The invention focuses on a polyvinyl alcohol based block copolymer represented by a specific general formula, which enhances the performance of pigment dispersion in aqueous mediums. Another significant patent involves an ink-jet recording liquid that combines a dye and a pigment, ensuring excellent dispersibility and printing performance. This innovative liquid is characterized by the reversible adsorption of dye on the pigment, which does not involve a chemical reaction, thus maintaining high storage stability.
Career Highlights
Masanobu Yokoyama is currently associated with Mitsubishi Chemical Corporation, where he continues to advance his research and development efforts. His work has been instrumental in enhancing the quality and performance of printing materials, making significant strides in the industry.
Collaborations
Yokoyama has collaborated with notable colleagues such as Nobuhiko Ueno and Takahiro Saitou. Their combined expertise has contributed to the successful development of innovative technologies in the field.
Conclusion
Masanobu Yokoyama's contributions to the field of materials science, particularly in the development of polyvinyl alcohol based technologies, highlight his role as a leading inventor. His patents reflect a commitment to enhancing printing technologies and improving product performance.