This inventor holds 3 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1986-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1986-1989
Title: Hajime Takanashi: Innovator in Image Forming Technology
Introduction
Hajime Takanashi is a notable inventor based in Numazu, Japan. He has made significant contributions to the field of image forming devices, holding a total of 3 patents. His work focuses on developing advanced materials that enhance the performance and efficiency of electrostatic copying machines.
Latest Patents
One of Takanashi's latest patents involves the development of a replenisher material for use in image forming devices. This replenisher liquid developer is designed to be supplied to a developer tank of an electrostatic copying machine. It comprises 1000 parts by weight of a carrier liquid, primarily made of aliphatic hydrocarbon, and 200 or 1200 parts by weight of toner particles, which consist mainly of a binder resin and a pigment. The high toner concentration in the replenisher liquid developer prevents overflow from the developer tank, allows for the production of numerous copies, and mitigates solvent shock.
Another significant invention by Takanashi is a non-aqueous type resin dispersion. This dispersion is obtained by polymerizing a composition that includes specific monomers in the presence of a polymerization initiator within an aliphatic hydrocarbon solvent. This innovation contributes to the efficiency and effectiveness of electrophotographic developers.
Career Highlights
Hajime Takanashi is currently employed at Ricoh Company, Ltd., where he continues to innovate in the field of imaging technology. His work has been instrumental in advancing the capabilities of image forming devices, making them more efficient and reliable.
Collaborations
Takanashi has collaborated with several talented individuals in his field, including Shinichi Kuramoto and Yoshihiro Sugiyama. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.
Conclusion
Hajime Takanashi is a distinguished inventor whose contributions to image forming technology have made a significant impact. His innovative patents and collaborative efforts continue to shape the future of this industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile