Inventor · disambiguated record
Yukiyoshi Ito
Also filed as: ITO YUKIYOSHI
12 granted patents·182 citations·filing 1979–1997
92Inventor score
Top patents by PatentIndex Score
12 records- 0192US5149819ASquarylium compounds and optical information recording medium using the sameRICOH KK·Filed 1991·Granted Sep 22, 1992·49 cites·9 claims
- 0272US5256794ASquarylium compoundsRICOH KK·Filed 1990·Granted Oct 26, 1993·13 cites·8 claims
- 0368US4250328AMethod for separation of an ester from a reaction mixtureKYOWA YUKA KK·Filed 1979·Granted Feb 10, 1981·23 cites·3 claims
- 0467US5510229AOptical information recording medium using squarylium compoundsRICOH KK·Filed 1993·Granted Apr 23, 1996·10 cites·8 claims
- 0563US5527659AChemical amplification resist composition containing photochemical acid generator, binder and squarylium compoundKYOWA HAKKO KOGYO KK·Filed 1994·Granted Jun 18, 1996·18 cites·11 claims
- 0660US5660970AOptical information recording medium using a squarylium compoundKYOWA HAKKO KOGYO KK·Filed 1995·Granted Aug 26, 1997·7 cites·4 claims
- 0758US5142001APolyurethane compositionKYOWA HAKKO KOGYO KK·Filed 1991·Granted Aug 25, 1992·11 cites·20 claims
- 0856US5756258APhotopolymerizable composition containing an addition polymerizable compound, a radical-producing agent and a squarylium compoundKYOWA HAKKO KOGYO KK·Filed 1995·Granted May 26, 1998·15 cites·1 claims
- 0952US5085909ASquarylium compounds and optical information recording medium using the sameRICOH KK·Filed 1990·Granted Feb 4, 1992·15 cites·4 claims
- 1043US4783403AProcess for producing l-phenylalanineKYOWA HAKKO KOGYO KK·Filed 1985·Granted Nov 8, 1988·11 cites·14 claims
- 1142US5391741ASquarylium compound and optical information recording medium using the sameKYOWA HAKKO KOGYO KK·Filed 1993·Granted Feb 21, 1995·7 cites·7 claims
- 1232US6007965APhotopolymerizable compositions including squarylium compoundsFiled 1997·Granted Dec 28, 1999·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →