Location History:
- Tokyo, JP (1994)
- Kawasaki, JP (1996)
Company Filing History:
Years Active: 1994-1996
Title: Celebrating the Innovations of Rika Doi: A Pioneer in Electrostatic Imaging
Introduction
Rika Doi, a noteworthy inventor based in Tokyo, Japan, has made significant contributions to the field of electrostatic imaging technology. With a total of three patents to her name, Doi's work exemplifies innovation and technical advancement in the realm of magnetic toners and silica fine powders. Her impact in the industry is firmly established through her association with Canon Inc., a company renowned for its pioneering technological solutions.
Latest Patents
Doi's latest patents reflect her deep understanding of electrostatic imaging. One of her innovations is a magnetic toner for developing electrostatic images. This toner incorporates a binder resin, a magnetic material, and an iron compound, achieving a saturation magnetization ranging from 20 to 50 Am²/kg and a coercive force of 40 to 200 oersted. This development advances the performance and reliability of electrostatic image development systems.
Additionally, Doi has patented a treated silica fine powder specifically formulated for use in toners for developing electrostatic images. The innovative process involves treating fine silica particles with silane coupling agents to enhance their compatibility and performance in toner formulations. The treated silica fine powder is crafted utilizing a sophisticated method, demonstrating Doi’s technical prowess and commitment to advancing material science in her field.
Career Highlights
Throughout her career, Rika Doi has distinguished herself as a leading inventor in her domain. Her work at Canon Inc. has not only led to groundbreaking patents but has also positioned her as a key contributor to advancements in imaging technology. Doi's dedication and innovation have earned her recognition within her company and the wider technology community.
Collaborations
Collaboration is essential in the field of innovation, and Doi has worked alongside notable colleagues such as Katsuhiko Tanaka and Tsuyoshi Takigushi. These collaborations have fostered a productive exchange of ideas, leading to further advancements in imaging technologies and supporting the development of impactful solutions within Canon Inc.
Conclusion
Rika Doi’s contributions to the field of electrostatic imaging exemplify the spirit of innovation and the importance of collaboration in advancing technology. Her patents not only showcase her technical expertise but also underscore her role as a pioneering inventor within a dynamic industry. As she continues her work with Canon Inc., the future looks promising for advancements in electrostatic imaging thanks to her innovative spirit.