Inventor · Nara, JP

Takemi Tokieda

9Patents
4h-index
25Co-inventors
53Inventor score

Filing activity: Jul 16, 1979 → Dec 11, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4257770A Disazo dye composition Emerging Cross-Sectional Technologies 19 Expired
US5356441A Reactive dye composition and method for dyeing or printing fiber materials using the same Chemistry; Metallurgy 9 Expired
US4832698A Aqueous liquid composition of vinylsulfone type reactive dyes in lithium salt form and buffer Emerging Cross-Sectional Technologies 9 Expired
US4384868A Reactive dye composition and its use for dyeing Emerging Cross-Sectional Technologies 4 Expired
US4346046A Process for producing aminoaryl-.beta.-sulfatoethylsulfone Chemistry; Metallurgy 3 Expired
US4482350A Reactive dye composition for cellulose fiber Emerging Cross-Sectional Technologies 2 Expired
US4482501A Process for producing aminoaryl-.beta.-sulfatoethylsulfone Chemistry; Metallurgy 2 Expired
US5646274A Phthalocyanine monoazo compounds and a process for producing the same Chemistry; Metallurgy 2 Expired
US5717077A Fiber reactive phthalocyanine monoazo compounds having improved dyeing properties Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.