This inventor holds 4 USPTO granted patents. Top assignees: Dainippon Ink and Chemicals, Incorporated, Dainippon Ink Chemicals, Inc.. Active years: 2001-2004.
Company Filing History:
3 out of 630 
1 out of 1 Years Active: 2001-2004
Title: Innovations of Inventor Hideki Gambayashi
Introduction
Hideki Gambayashi is a notable inventor based in Ageo, Japan. He has made significant contributions to the field of electrostatic image development, holding a total of 4 patents. His work focuses on creating environmentally friendly and efficient toners for printing applications.
Latest Patents
One of his latest patents is a toner for electrostatic image development. This invention provides a toner that employs a black colorant free from toxic substances. It exhibits stable charge behavior even after extended use or printing of a large number of sheets. This innovation allows for printed images with sufficient image density without causing toner dispersion, fogging, or variation in image density. The toner comprises a binder resin and a colorant, wherein the colorant consists of black fine particles obtained by coating the surface of titanium dioxide particles with a complex oxide of titanium and iron. Another significant patent is a developer for electrostatic image development, which further enhances the efficiency of printing technologies.
Career Highlights
Throughout his career, Hideki Gambayashi has worked with prominent companies such as Dainippon Ink and Chemicals, Incorporated and Dainippon Ink Chemicals, Inc. His experience in these organizations has contributed to his expertise in developing innovative printing solutions.
Collaborations
He has collaborated with notable coworkers, including Masanobu Nakamura and Toshiro Kogawara, who have also played a role in advancing technologies in the printing industry.
Conclusion
Hideki Gambayashi's contributions to the field of electrostatic image development demonstrate his commitment to innovation and environmental sustainability. His patents reflect a dedication to improving printing technologies while minimizing harmful substances.