This inventor holds 15 USPTO granted patents and 10 published patent applications and 1 EPO patent. Top assignees: Fuji Xerox Co., Ltd., Fujifilm Business Innovation Corp.. Active years: 2015-2022.
Company Filing History:
14 out of 11,665 
1 out of 2,381 
Years Active: 2015-2022
Title: Narumasa Sato: Innovator in Electrostatic Charge Imaging Technology
Introduction
Narumasa Sato is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of electrostatic charge imaging technology, holding a total of 15 patents. His work has been instrumental in advancing the efficiency and effectiveness of toner and developer products used in imaging systems.
Latest Patents
Among his latest patents, Sato has developed an electrostatic charge image developing toner that features toner particles with an average circularity of 0.96 to 1.00. This toner also includes organic particles with an aspect ratio ranging from 0.4 to 0.9 as an external additive. Additionally, he has created a toner for developing electrostatic charge images, which comprises toner particles containing a binder resin and an external additive with silica particles. This innovation involves a specific measurement of the coefficient of variation of silicon content, ensuring optimal performance in imaging applications.
Career Highlights
Sato has had a distinguished career, working with notable companies such as Fuji Xerox Co., Ltd. and Fujifilm Business Innovation Corporation. His expertise in the field has led to numerous advancements in imaging technology, making him a respected figure in the industry.
Collaborations
Throughout his career, Sato has collaborated with talented individuals, including Kotaro Yoshihara and Noriyuki Mizutani. These partnerships have contributed to the development of innovative products and solutions in the imaging sector.
Conclusion
Narumasa Sato's contributions to electrostatic charge imaging technology have established him as a leading inventor in his field. His patents reflect a commitment to innovation and excellence, impacting the way imaging technologies are developed and utilized.