Inventor · disambiguated record
Koji Iwasa
Also filed as: IWASA KOJI
19 granted patents·450 citations·filing 1980–1995
96Inventor score
Top patents by PatentIndex Score
19 records- 0188US4715688AFerroelectric liquid crystal display device having an A.C. holding voltageSEIKO INSTR INC·Filed 1984·Granted Dec 29, 1987·81 cites·41 claims
- 0283US4704559AMatrix type multi-color display deviceSEIKO INSTR & ELECTRONICS·Filed 1986·Granted Nov 3, 1987·52 cites·2 claims
- 0382US4522691AMethod for manufacturing a multicolor filter and a multicolor display deviceSEIKO INSTR & ELECTRONICS·Filed 1983·Granted Jun 11, 1985·33 cites·50 claims
- 0479US5876581AFilm of iron (III) hexacyanoferrate (II) and process of synthesizing sameSEIKO INSTR INC·Filed 1995·Granted Mar 2, 1999·67 cites·15 claims
- 0571US4670188AElectrically conductive high molecular resin composition for electrodeposition coatingSEIKO INSTR & ELECTRONICS·Filed 1985·Granted Jun 2, 1987·30 cites·1 claims
- 0668US4498739AElectrochromic display devices using iron(III) hexacyanoferrate(II) saltSEIKO INSTR & ELECTRONICS·Filed 1982·Granted Feb 12, 1985·27 cites·28 claims
- 0766US4999094AMethod for manufacturing a color memberSEIKO INSTR & ELECTRONICS·Filed 1985·Granted Mar 12, 1991·14 cites·25 claims
- 0866US4639088AMulti-color display device and process of fabricating sameSEIKO INSTR & ELECTRONICS·Filed 1984·Granted Jan 27, 1987·23 cites·16 claims
- 0962US4939003ALiquid crystal elementTORAY INDUSTRIES·Filed 1988·Granted Jul 3, 1990·22 cites·15 claims
- 1062US4617094AMethod of manufacturing solid state color filter device uses co-electrodepositionSEIKO INSTR & ELECTRONICS·Filed 1984·Granted Oct 14, 1986·19 cites·11 claims
- 1152US4787716AColor member and method for manufacturing sameSEIKO INSTR & ELECTRONICS·Filed 1985·Granted Nov 29, 1988·14 cites·39 claims
- 1249US4781444AColor member having electrodeposited color layer composed of polymer and coloring matter bonded to polymer and method for manufacturing sameSEIKO INSTR & ELECTRONICS·Filed 1985·Granted Nov 1, 1988·13 cites·24 claims
- 1344USRE37333EFerroelectric liquid crystal display device having an A.C. holding voltageSEIKO INSTR INC·Filed 1992·Granted Aug 21, 2001·10 cites·116 claims
- 1444US5610740AColor electrooptical deviceSEIKO INSTR INC·Filed 1992·Granted Mar 11, 1997·11 cites·10 claims
- 1544US4346964AElectrochromic display deviceSEIKO INSTR & ELECTRONICS·Filed 1980·Granted Aug 31, 1982·12 cites·11 claims
- 1641US4528073AMethod for manufacturing multicolored plate, multicolored filter and multicolored display deviceSEIKO INSTR & ELECTRONICS·Filed 1983·Granted Jul 9, 1985·8 cites·14 claims
- 1737US5204764AElectro-optical device having a first and a second nonlinear resistance element formed on each pixel electrodeSEIKO INSTR INC·Filed 1991·Granted Apr 20, 1993·7 cites·3 claims
- 1833US4451348AFunctional electrodeSEIKO INSTR & ELECTRONICS·Filed 1983·Granted May 29, 1984·4 cites·12 claims
- 1928US6203950B1Method for manufacturing a color filterSHINTO CHEMITRON CO LTD·Filed 1992·Granted Mar 20, 2001·3 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →