Inventor · disambiguated record
Yasuo Sugihara
Also filed as: SUGIHARA YASUO
8 granted patents·347 citations·filing 1987–1995
90Inventor score
Files withMITSUBISHI GAS CHEMICAL CO8
Top patents by PatentIndex Score
8 records- 0190US4999179AMethod for purifying impure aqueous hydrogen peroxide solutionMITSUBISHI GAS CHEMICAL CO·Filed 1989·Granted Mar 12, 1991·56 cites·10 claims
- 0285US5705089ACleaning fluid for semiconductor substrateMITSUBISHI GAS CHEMICAL CO·Filed 1993·Granted Jan 6, 1998·133 cites·18 claims
- 0377US5302311ACleaning solution of semiconductor substrateMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Apr 12, 1994·66 cites·1 claims
- 0476US5180518AOxygen absorbentMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Jan 19, 1993·36 cites·42 claims
- 0570US4792403AMethod of removing organic impurities from aqueous solution of hydrogen peroxideMITSUBISHI GAS CHEMICAL CO·Filed 1987·Granted Dec 20, 1988·19 cites·8 claims
- 0663US5102673AOxygen absorbentMITSUBISHI GAS CHEMICAL CO·Filed 1990·Granted Apr 7, 1992·22 cites·5 claims
- 0748US5614165AProcess for purification of hydrogen peroxideMITSUBISHI GAS CHEMICAL CO·Filed 1995·Granted Mar 25, 1997·13 cites·6 claims
- 0828US5328894AFood-preserving agentMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Jul 12, 1994·2 cites·2 claims
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