Company Filing History:
Years Active: 2009-2010
Title: Kazushige Yasumatsu: Innovator in Toner Technology
Introduction
Kazushige Yasumatsu is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of toner technology, holding a total of 2 patents. His work focuses on developing advanced materials for imaging applications.
Latest Patents
Yasumatsu's latest patents include innovations related to toner and developer formulations, toner containers, process cartridges, image forming apparatuses, and image forming methods. One of his notable inventions provides a toner that contains both an ethyl acetate-soluble polyester component and an ethyl acetate-insoluble polyester component. This toner is granulated in an aqueous medium, and the ethyl acetate-insoluble polyester component is derived from a modified polyester resin that undergoes elongation and/or cross-linking during or after the granulation process. The modified polyester resin is synthesized through condensation polymerization of an acid component and at least one type of diol compound, selected from aliphatic and alicyclic diols, in the presence of a catalyst. The mass average molecular weight of the modified polyester resin ranges from 10,000 to 100,000.
Career Highlights
Kazushige Yasumatsu is associated with Ricoh Company, Ltd., where he continues to innovate in the field of imaging technology. His work has been instrumental in enhancing the performance and quality of toner products.
Collaborations
Yasumatsu collaborates with talented individuals such as Masahide Yamada and Ryota Inoue, contributing to a dynamic research environment that fosters innovation.
Conclusion
Kazushige Yasumatsu's contributions to toner technology exemplify the importance of innovation in the imaging industry. His patents reflect a commitment to advancing materials that improve the efficiency and effectiveness of imaging processes.