Sadahiro Inoue is a prominent inventor based in Toda, Japan. He has made significant contributions to the field of ink-jet technology, particularly in the development of aqueous pigment dispersions. With a total of 7 patents to his name, Inoue's work has had a substantial impact on the industry.

Latest Patents

Inoue's latest patents include an innovative aqueous pigment dispersion for ink-jet ink and an efficient process for producing these dispersions. The first patent describes an aqueous pigment dispersion that contains C.I. Pigment Yellow 74, a styrene-acrylic-based resin with an acid number ranging from 100 to 250, and a basic compound. This resin includes styrene-based monomer units, acrylic acid monomer units, and methacrylic acid monomer units, with a weight average molecular weight between 7,000 and 15,000. The second patent outlines a process for producing aqueous pigment dispersions that ensures fine pigments are stably dispersed and maintained over long storage periods. This process also emphasizes high production efficiency and reduced dispersing time.

Career Highlights

Sadahiro Inoue is currently employed at Dainippon Ink and Chemicals, Incorporated, where he continues to innovate in the field of ink technology. His work has been instrumental in enhancing the quality and efficiency of ink-jet printing.

Collaborations

Inoue collaborates with notable coworkers such as Isao Tabayashi and Hiroshi Harada, contributing to a dynamic team focused on advancing ink technology.

Conclusion

Sadahiro Inoue's contributions to aqueous pigment dispersion technology have established him as a key figure in the ink-jet industry. His innovative patents and ongoing work at Dainippon Ink and Chemicals, Incorporated continue to shape the future of ink technology.

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