This inventor holds 1 USPTO granted patent. Top assignee: Tomoegawa Corporation. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Ikuko Yatsuzuka: Inventor in Toner Technology.
Introduction
Ikuko Yatsuzuka is an inventor based in Shizuoka, Japan, and is associated with Tomoegawa Corporation. Her patent work focuses on toner particles and compositions used to develop electrostatically charged images.
Latest Patents
Yatsuzuka is credited with 1 patent: “Toner particles for developing electrostatically charged image and toner composition for developing electrostatically charged image.” The invention describes a toner base particle with a surface recess 50 to 500 nanometers deep, covered by a resin coating. The coating has portions of different thicknesses, with the thicker portion positioned over the recess. This design concerns the structure of toner particles used in electrostatic image development.
Career Highlights
Yatsuzuka’s listed patent reflects work in imaging materials and toner-particle design. Her association with Tomoegawa Corporation connects her inventive activity with a company involved in paper and materials technologies.
Collaborations
Yatsuzuka’s listed coworkers include Yudai Kimura and Takayuki Sano. The available information identifies them as coworkers but does not specify their roles in the patent.
Conclusion
Ikuko Yatsuzuka’s recorded invention addresses the design of coated toner particles for electrostatic image development, highlighting her contribution to imaging-material technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile