Norikazu Fujimoto is a prominent inventor based in Susono, Japan. He has made significant contributions to the field of toner production, holding a total of 18 patents. His innovative methods have advanced the technology used in the production of polymerized toners.

Latest Patents

Fujimoto's latest patents include a method of producing polymerized toner and a method of producing binder resin for toner. The method of producing polymerized toner involves dispersing a polymerizable monomer composition containing at least a polymerizable monomer and a colorant in an aqueous medium. It also includes polymerizing the polymerizable monomer in the aqueous medium with a polymerization initiator to produce toner particles. This method is characterized by the use of a polymerization initiator with a specific structure, which satisfies certain hydrogen bond dissociation energy relationships. Additionally, his patent for resin for toner describes a resin component that includes both a polyester unit produced by polycondensation of a polyhydric alcohol component and a polycarboxylic acid component, along with an aryl group that has a sulfonic ester group as a substituent.

Career Highlights

Fujimoto is currently employed at Canon Kabushiki Kaisha, where he continues to innovate in the field of toner technology. His work has been instrumental in enhancing the quality and efficiency of toner production processes.

Collaborations

Fujimoto has collaborated with notable colleagues, including Tetsuya Yano and Takashi Kenmoku. Their combined expertise has contributed to the successful development of advanced toner technologies.

Conclusion

Norikazu Fujimoto's contributions to the field of toner production through his innovative patents and collaborations highlight his role as a key inventor in this industry. His work continues to influence the development of high-quality toner products.

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