This inventor holds 27 USPTO granted patents, primarily in Electrophotographic Toner. Top assignee: Canon Kabushiki Kaisha. Active years: 1979-1994.
Company Filing History:
Years Active: 1979-1994
Areas of Expertise:
Title: **Yasuo Mitsuhashi: Innovator in Electrostatic Imaging Technology**
Introduction
Yasuo Mitsuhashi, a prolific inventor based in Yokohama, Japan, has made significant contributions to the field of electrostatic imaging technology. With an impressive portfolio of 27 patents, Mitsuhashi's work primarily focuses on the development of advanced binder resins and toners that enhance the quality and efficiency of electrostatic processes.
Latest Patents
Among his latest innovations is a patent for a binder resin designed for toners used in developing electrostatic images. This resin composition features a unique combination of characteristics aimed at improving fixability, anti-offset, anti-sticking, and pulverizability. Specifically, the resin contains between 0.1 to 60 wt. % of a chloroform-insoluble or a THF (tetrahydrofuran)-insoluble component and a THF-soluble component. The resulting molecular weight distribution, as indicated by Gel Permeation Chromatography (GPC), presents a main peak within the molecular weight range of 1,000 to 25,000, along with a sub-peak in the range of 2,000 to 150,000. This innovative binder resin is developed through a two-step polymerization process, comprising both solution and suspension polymerization steps.
Career Highlights
Mitsuhashi currently holds a prominent position at Canon Kabushiki Kaisha, where he has been instrumental in advancing toner technology and research in electrostatic imaging. His extensive experience and technical expertise have positioned him as a leading figure in this specialized field.
Collaborations
Throughout his career, Yasuo Mitsuhashi has collaborated with notable colleagues, including Masaki Uchiyama and Kiichiro Sakashita, further enriching the innovative environment at Canon. Their combined efforts have played a fundamental role in the continued progression of imaging technologies.
Conclusion
Yasuo Mitsuhashi's dedication to innovation in electrostatic imaging technology is evident through his numerous patents and collaborations. As he continues to develop solutions that enhance the efficiency and performance of toners, his work stands as a pivotal contribution to the industry and exemplifies the spirit of innovation that drives progress in technology.