Location History:
- Hyoga, JP (1995)
- Kato-gun, JP (1996)
- Kawasaki, JP (1999)
Company Filing History:
3 out of 39,245 
1 out of 82 
Years Active: 1995-1999
Title: Hitoshi Kusaba: Innovator in Toner Technology
Introduction
Hitoshi Kusaba is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of toner technology, holding a total of 3 patents. His work focuses on improving the performance and efficiency of toner binders and compositions used in electrostatic photography.
Latest Patents
Kusaba's latest patents include a toner binder for flash fixing and a process for producing flash fusing color toner. The toner binder comprises a crosslinked polyester resin that utilizes specific percentages of trimellitic acid and an epi-bis type epoxy as crosslinking components. This binder is designed to exhibit a number average molecular weight (Mn) of 2,000 to 4,000, with a weight average molecular weight to number average molecular weight ratio (Mw/Mn) of 10 to 25. Additionally, it has a residue unsoluble in tetrahydrofuran solvent of 1 wt % or less. The toner composition developed from this binder demonstrates excellent fixability and minimal fixing odor during flash fixing processes. Furthermore, his process for producing flash fusing color toner involves the use of an aminium salt infrared light absorber and a positive charge control agent, ensuring that these components do not react adversely with each other.
Career Highlights
Throughout his career, Hitoshi Kusaba has worked with prominent companies such as Fujitsu Corporation and Harima Chemicals, Incorporated. His experience in these organizations has allowed him to refine his expertise in toner technology and contribute to innovative solutions in the field.
Collaborations
Kusaba has collaborated with notable colleagues, including Yoshimichi Katagiri and Yuzo Horikoshi. Their combined efforts have further advanced the development of toner technologies and applications.
Conclusion
Hitoshi Kusaba's contributions to toner technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches continue to shape the future of electrostatic photography and toner applications.