Inventor · disambiguated record

Seiichi Nieda

Also filed as: NIEDA SEIICHI

3 granted patents·13 citations·filing 1984–1987

64Inventor score

Technology areasC07D

Files withYAMADA CHEM CO3

Top patents by PatentIndex Score

3 records

0176US4598150AChromogenic 1-(3-methoxy-4-alkoxyphenyl)-2-(2'-quinolyl)ethylene compoundsYAMADA CHEM CO·Filed 1984·Granted Jul 1, 1986·9 cites·2 claims
0246US4835291ADivinyl compounds and chromogenic recording-material prepared by using thereofYAMADA CHEM CO·Filed 1987·Granted May 30, 1989·3 cites·37 claims
0334US4808567ADivinyl compounds and chromogenic recording-material prepared by using thereofYAMADA CHEM CO·Filed 1987·Granted Feb 28, 1989·1 cites·56 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →