This inventor holds 20 USPTO granted patents and 10 published patent applications, primarily in Electrophotographic Development. Top assignees: Canon Kabushiki Kaisha, Cannon Kabushiki Kaisha. Active years: 1996-2025.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1996 - 2013)
- Chiba, JP (2018 - 2023)
Company Filing History:
Years Active: 1996-2025
Areas of Expertise:
Title: Yuzo Tokunaga - Innovator in Magnetic Carriers and Liquid Developers
Introduction
Yuzo Tokunaga, based in Chiba, Japan, is a prolific inventor with an impressive portfolio of 19 patents. His work primarily focuses on advancements in magnetic carriers and liquid developers, significantly influencing the field of printing technology.
Latest Patents
Among his latest patents, Tokunaga has made notable contributions such as the design of a magnetic carrier. This innovative carrier is engineered to reduce the loss and wear of its magnetic coating resin, providing a stable image density and minimizing toner scattering over extended usage. Tokunaga's invention outlines specific resin composition requirements and other technical specifications including fluorine polymer moiety and precise atomic ratios. Additionally, he has developed a liquid developer that features a toner particle based on binder resin, a carrier liquid, and a basic toner particle dispersing agent. This formulation addresses critical parameters regarding acid and hydroxyl values of the binder resin, ensuring enhanced performance.
Career Highlights
Yuzo Tokunaga's professional journey includes pivotal roles at Canon Kabushiki Kaisha, where he has been instrumental in various innovative projects. His expertise in the development of magnetic carriers and liquid developers highlights his commitment to advancing printing technologies.
Collaborations
Throughout his career, Tokunaga has collaborated with fellow innovators such as Yoshinobu Baba and Hitoshi Itabashi. Their combined efforts have propelled advancements in the field, showcasing the importance of teamwork in successful innovation.
Conclusion
Yuzo Tokunaga's contributions to the fields of magnetic carriers and liquid developers have solidified his reputation as a significant figure in technology innovation. With numerous patents to his name, his work continues to impact the industry, paving the way for future advancements in printing solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile