Inventor · disambiguated record
Kiyoji Kuma
Also filed as: KUMA KIYOJI
11 granted patents·95 citations·filing 1985–2006
90Inventor score
Top patents by PatentIndex Score
11 records- 0182US6288205B1Polycarbonate resin, optical information recording medium substrate comprising the same, and optical information recording mediumMITSUBISHI CHEM CORP·Filed 2000·Granted Sep 11, 2001·20 cites·15 claims
- 0274US5574185AProduction of N-(α-alkoxyethyl) formamideMITSUBISHI CHEM CORP·Filed 1994·Granted Nov 12, 1996·13 cites·11 claims
- 0372US7511114B2Colored aromatic polycarbonate resin composition, process for producing the same and colored hollow containerMITSUBISHI CHEM CORP·Filed 2006·Granted Mar 31, 2009·3 cites·8 claims
- 0467US6750314B2Process for producing an aromatic polycarbonateMITSUBISHI CHEM CORP·Filed 2003·Granted Jun 15, 2004·10 cites·11 claims
- 0563US5962570AProcess for the preparation of aqueous solution or dispersion containing cationic polymerMITSUBISHI CHEM CORP·Filed 1996·Granted Oct 5, 1999·17 cites·11 claims
- 0655US6294641B1Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording mediumMITSUBISHI CHEM CORP·Filed 1999·Granted Sep 25, 2001·12 cites·7 claims
- 0751US5464908AProcess for preparing water-soluble polymersMITSUBISHI CHEM IND·Filed 1993·Granted Nov 7, 1995·8 cites·18 claims
- 0850US5840976AMethod of stabilizing N-vinylamidesMITSUBISHI CHEM CORP·Filed 1996·Granted Nov 24, 1998·5 cites·11 claims
- 0941US4599465AProcess for producing orthoalkylphenolsMITSUBISHI CHEM IND·Filed 1985·Granted Jul 8, 1986·6 cites·14 claims
- 1037US4929756AProcess for preparing oximesMITSUBISHI CHEM IND·Filed 1989·Granted May 29, 1990·1 cites·12 claims
- 1128US6602940B1Process for the preparation of aqueous solution or dispersion containing cationic polymerMITSUBISHI CHEM CORP·Filed 1998·Granted Aug 5, 2003·0 cites·5 claims
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