Location History:
- Takatsuki, JP (1989)
- Osaka, JP (1990)
Company Filing History:
Years Active: 1989-1990
Title: Eio Hisajima: Innovator in Electrophotography
Introduction
Eio Hisajima is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of electrophotography, particularly through his innovative patents. His work focuses on developing advanced materials that enhance the performance of toner and developer systems.
Latest Patents
Eio Hisajima holds 2 patents that showcase his expertise in resinous microparticles and magnetic carrier particles. His latest patents include "Resinous microparticles useful in powdery toner for electrophotography," which describes a unique formulation of vinyl resin created through emulsion polymerization. This formulation incorporates cationic surfactants and specific polymerization initiators, resulting in microparticles with an average diameter ranging from 0.01 to 1 micrometer. Additionally, he has developed "Magnetic carrier particles for electrophotographic developer," which provides a lightweight and durable carrier for use in two-component developers, enhancing the efficiency of electrophotographic methods.
Career Highlights
Eio Hisajima is associated with Nippon Paint Company, Ltd., where he applies his innovative ideas to practical applications in the industry. His work has significantly impacted the development of toner and developer technologies, making them more effective and reliable.
Collaborations
Throughout his career, Eio has collaborated with esteemed colleagues such as Masao Oishi and Takao Saito. These partnerships have fostered a creative environment that encourages the exchange of ideas and advancements in technology.
Conclusion
Eio Hisajima's contributions to electrophotography through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the development of advanced materials that improve the efficiency and effectiveness of printing technologies.