This inventor holds 15 USPTO granted patents and 1 published patent application and 7 EPO patents, primarily in Aqueous Ink Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 2012-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kawasaki, JP (2012 - 2023)
- Kanagawa, JP (2023)
Company Filing History:
Years Active: 2012-2025
Areas of Expertise:
Title: Naofumi Shimomura: Innovator in Ink Technology
Introduction
Naofumi Shimomura is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of ink technology, particularly in the development of aqueous inks for inkjet printing. With a total of 15 patents to his name, Shimomura's work has had a substantial impact on the industry.
Latest Patents
His latest patents include innovations such as an aqueous ink, ink cartridge, and ink jet recording method. The aqueous ink for inkjet contains a resin particle dyed with a fluorescent dye, along with a water-soluble resin. The fluorescent dye is selected from a group that includes basic dye, disperse dye, and oil-soluble dye. The resin particle features a core portion containing an aromatic group and cyano group, while the shell portion is free of cyano group but includes an aromatic group, anionic group, and a crosslinking agent-derived unit. The percentage of the crosslinking agent-derived unit in the shell portion ranges from 30% to 80% by mass. The water-soluble resin also contains an aromatic group and an anionic group, with an acid value between 100 mgKOH/g and 180 mgKOH/g. This innovative aqueous ink is designed to provide excellent ejection stability and produce images with outstanding abrasion resistance.
Career Highlights
Naofumi Shimomura is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to focus on enhancing the performance and quality of inkjet printing solutions.
Collaborations
Throughout his career, Shimomura has collaborated with notable colleagues such as Satoru Kobayashi and Takayuki Horiuchi. These collaborations have contributed to the advancement of ink technology and the development of innovative products.
Conclusion
Naofumi Shimomura's contributions to ink technology through his patents and work at Canon have established him as a key figure in the industry. His innovations continue to influence the future of inkjet printing and enhance the quality of printed materials.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile