Inventor · disambiguated record
Kiyoharu Nakatsuka
Also filed as: NAKATSUKA KIYOHARU
7 granted patents·2 pending applications·97 citations·filing 1980–2002
85Inventor score
Files withSUMITOMO CHEMICAL CO7
Top patents by PatentIndex Score
9 records- 0187US4349349AAqueous liquid composition of reactive dyeSUMITOMO CHEMICAL CO·Filed 1981·Granted Sep 14, 1982·20 cites·8 claims
- 0272US4283195ADyestuff composition for dyeing or printing cellulose fiber materialsSUMITOMO CHEMICAL CO·Filed 1980·Granted Aug 11, 1981·15 cites·7 claims
- 0362US4740903AData processing system for chromatographySUMITOMO CHEMICAL CO·Filed 1985·Granted Apr 26, 1988·34 cites·7 claims
- 0456US6653031B2Photosensitive coloring composition, and color filter and liquid crystal display panel using the sameSUMITOMO CHEMICAL CO·Filed 2001·Granted Nov 25, 2003·5 cites·9 claims
- 0549US5038415ADisperse dye composition useful for dyeing of printing hydrophobic fiber materials: mixture of pyridone mono-azo dyes and optionally a quino-phthaloneSUMITOMO CHEMICAL CO·Filed 1990·Granted Aug 13, 1991·15 cites·47 claims
- 0635US5880202ABlack coating composition and application thereofSUMITOMO CHEMICAL CO·Filed 1997·Granted Mar 9, 1999·6 cites·12 claims
- 0733US2002015901A1Photosensitive solution for forming picture cell and color filter produced by using the sameFiled 2001·Application pending·0 cites
- 0831US2003054265A1Photosensitive solution for forming picture cell and color filter produced by using the sameFiled 2002·Application pending·0 cites
- 0928US5914359AColoring composition for use in formation of transparent colored micro-patterns and application thereofSUMITOMO CHEMICAL CO·Filed 1997·Granted Jun 22, 1999·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →