Company Filing History:
Years Active: 2009-2023
Title: Innovations by Naotoshi Miyamachi: A Pioneer in Aqueous Ink Technology
Introduction
Naotoshi Miyamachi is a notable inventor based in Tokyo, Japan, renowned for his significant contributions to ink technology. With a total of seven patents to his name, he has become a key figure in the development of advanced ink solutions, particularly for inkjet printing.
Latest Patents
Among his latest inventions are two innovative patents focusing on aqueous ink, ink cartridges, and ink jet recording methods. The first patent introduces an aqueous ink that features a resin particle dyed with a fluorescent dye and a water-soluble resin. This innovative composition includes a core portion that contains an aromatic group and a cyano group, while the shell portion comprises an aromatic group, an anionic group, and a unit derived from a crosslinking agent. A critical aspect of this invention is that the percentage of the crosslinking agent-derived unit in the shell ranges from 30% to 80% by mass, ensuring durable ink performance.
The second patent also focuses on an aqueous ink suitable for inkjet applications, which consists of a resin particle and a cyclic amide-based, water-soluble organic solvent. This formulation boasts a core that contains a cyano group and a shell that includes an aromatic group, an anionic group, and a crosslinking agent-derived unit, while remaining free of cyano group. The end result is an aqueous ink capable of producing images with exceptional abrasion resistance and gloss clarity.
Career Highlights
Naotoshi Miyamachi is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing solutions. His work at Canon has allowed him to focus on ink development, which continues to enhance the quality and performance of inkjet printers globally.
Collaborations
During his innovative journey, Miyamachi has collaborated with notable colleagues, including Hiromitsu Kishi and Naofumi Shimomura. These partnerships have contributed to significant advancements in ink formulation and technology, ultimately leading to the creation of cutting-edge products that meet the evolving demands of the printing industry.
Conclusion
Naotoshi Miyamachi's contributions to ink technology, particularly through his recent patents, showcase his commitment to innovation and excellence. As a pioneer in the field, his work continues to impact the inkjet printing industry while inspiring future advancements within the realm of aqueous ink solutions. His collaboration with esteemed colleagues and his association with Canon further solidify his standing as a leading inventor in this critical sector.