Company Filing History:
Years Active: 2011-2012
Title: Tsuyosi Izumi: Innovator in Toner Technology
Introduction
Tsuyosi Izumi is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of toner technology, particularly in the development of polyester resins for toners. With a total of 2 patents, his work has garnered attention for its innovative approach to improving toner performance.
Latest Patents
Izumi's latest patents focus on a heat-fusible electrostatic image developing toner. This toner is characterized by an excellent balance between fixability at low temperatures and grindability, while also achieving high glossiness after fixing. The polyester resin for toners he developed is obtained by polycondensing a polyol component and a polycarboxylic acid component. It is notable for containing 20-100 weight % of one or more polyester resins that have a storage elastic modulus ranging from 2.5 x 10 Pa to 5 x 10 Pa at 150°C. The molar average cohesive energy of the polyol component is between 7.0 x 10 and 1.4 x 10 J.
Career Highlights
Tsuyosi Izumi is currently employed at Sanyo Chemical Industries, Ltd., where he continues to innovate in the field of toner technology. His work has been instrumental in advancing the quality and performance of toners used in various applications.
Collaborations
Izumi has collaborated with notable coworkers such as Takashi Akutagawa and Yasuhiro Ono. Their combined expertise has contributed to the successful development of innovative toner solutions.
Conclusion
Tsuyosi Izumi's contributions to toner technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the industry and improve the quality of toner products available today.