Kouichi Yagi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of bleaching compositions, holding a total of five patents. His work focuses on minimizing color change and fading in colored fabrics during the bleaching process.

Latest Patents

Yagi's latest patents include a bleaching composition that comprises (A) sodium percarbonate and/or tetrasodium ethane-1,1,2,2-tetracarboxylate/hydrogen peroxide adduct, and (B) dicarboxyalkyleneimino, monocarboxyalkyleneiminobis(alkylene phosphonic acid), hydroxyethylimino diacetate, and/or hydroxyethylethylenediamine triacetate compounds. This innovative composition effectively minimizes color change or fading of colored fabrics caused by bleaching. Another significant patent involves a bleaching composition that does not cause color change or fading of fabrics. This composition contains 50 to 98 weight % of a peroxide that releases oxygen in an aqueous solution, 1 to 49 weight % of nitrilotriacetic acid or its salt, and 1 to 49 weight % of a water softener as critical components.

Career Highlights

Kouichi Yagi is currently associated with Kao Soap Company, Ltd., where he continues to develop innovative solutions in the field of cleaning products. His expertise in formulating effective bleaching agents has positioned him as a key player in the industry.

Collaborations

Yagi has collaborated with notable colleagues such as Yunosuke Nakagawa and Makoto Yamanaka. Their combined efforts have contributed to advancements in the formulation of effective bleaching compositions.

Conclusion

Kouichi Yagi's contributions to the field of bleaching compositions demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of chemistry and a dedication to improving fabric care.

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