Company Filing History:
Years Active: 2007-2015
Title: Yumiko Yagi: Innovator in Electrostatic Imaging Technologies
Introduction
Yumiko Yagi is a prominent inventor based in Shizuoka, Japan. She has made significant contributions to the field of electrostatic imaging technologies. With a total of 3 patents to her name, her work has had a considerable impact on the industry.
Latest Patents
Yumiko Yagi's latest patents include innovative technologies such as a carrier for developing electrostatic latent images. This carrier features a core material and a covering layer made of a resin that includes an electroconductive particulate material. The covering layer contains the electroconductive particulate material in an amount ranging from 58 to 73% by weight, with a resistivity between 6.6 to 8.6 Ωcm. Additionally, the carrier exhibits a high-brightness contrast part at an areal ratio of less than 1% and between 40 to 90% based on the total area at acceleration voltages of 0.8 KV and 2.0 KV, respectively, as observed in an FE-SEM reflection electron image of its surface.
Another notable patent is related to a lubricant applying unit, which includes a lubricant composed of metal salt of fatty acid. This unit features an applying member that applies the lubricant on a subject and a spreading member that forms a thin layer of the lubricant. The spreading member ensures that the thickness of the thin layer is maintained within a range of 8 nanometers to 12 nanometers.
Career Highlights
Yumiko Yagi is currently employed at Ricoh Company, Ltd., where she continues to develop cutting-edge technologies. Her work has been instrumental in advancing the capabilities of electrostatic imaging systems.
Collaborations
Throughout her career, Yumiko has collaborated with notable colleagues, including Daichi Yamaguchi and Kenji Sugiura. These collaborations have further enriched her contributions to the field.
Conclusion
Yumiko Yagi stands out as an innovative inventor in the realm of electrostatic imaging technologies. Her patents reflect her commitment to advancing the industry and her expertise in developing practical solutions.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.