Masanori Fujii is a prominent inventor based in Sakai, Japan. He has made significant contributions to the field of electrophotography, particularly in the development of advanced toner technologies. With a total of 11 patents to his name, Fujii's work has had a lasting impact on the industry.

Latest Patents

Fujii's latest patents include a process for producing electrophotographic toner. This innovative process involves dispersing and mixing toner components, which include a fixing resin, a coloring agent, and an electric charge controlling dye. The mixture is then melted, kneaded, pulverized, and classified. Notably, fine powder generated during the pulverizing and classifying steps is reused, enhancing the efficiency of the toner production. The resulting toner exhibits excellent electric charging characteristics, even after prolonged use. Another significant patent is for a toner that comprises a styrene/acrylic copolymer with multiple molecular weight distribution peaks. This toner allows for a broader fixing-possible temperature range while maintaining high performance.

Career Highlights

Fujii is currently employed at Mita Industrial Co., Ltd., where he continues to innovate in the field of electrophotography. His work has been instrumental in advancing toner technology, making it more efficient and effective for various applications.

Collaborations

Fujii has collaborated with notable colleagues, including Nobuhiro Miyakawa and Kouzi Maekawa. Their combined expertise has contributed to the successful development of new technologies in the field.

Conclusion

Masanori Fujii's contributions to electrophotographic toner technology have established him as a key figure in the industry. His innovative patents and collaborative efforts continue to shape the future of toner production and application.

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