Inventor · disambiguated record
Ken Yoshitsugu
Also filed as: YOSHITSUGU KEN
25 granted patents·1,231 citations·filing 1990–2010
97Inventor score
Files withMITSUI PETROCHEMICAL IND15MITSUI CHEMICALS INC6MITSUI CEHMICALS INC1MITSUI CHEMICALS1NAGAI NAOSHI1
Top patents by PatentIndex Score
25 records- 0198US5218071AEthylene random copolymersMITSUI PETROCHEMICAL IND·Filed 1992·Granted Jun 8, 1993·389 cites·7 claims
- 0297US6329465B1Ethylene copolymer composition and uses thereofMITSUI CHEMICALS INC·Filed 1999·Granted Dec 11, 2001·160 cites·12 claims
- 0396US5374700AEthylene copolymerMITSUI PETROCHEMICAL IND·Filed 1991·Granted Dec 20, 1994·83 cites·2 claims
- 0494US5464905AEthylene/α-olefin copolymer composition, graft modified ethylene/α-olefin copolymer composition, ethylene copolymer composition, and multi-stage olefin polymerization processMITSUI PETROCHEMICAL IND·Filed 1993·Granted Nov 7, 1995·67 cites·9 claims
- 0589US5525689AProcess for preparing ethylene copolymersMITSUI PETROCHEMICAL IND·Filed 1995·Granted Jun 11, 1996·51 cites·11 claims
- 0686US5714426AOlefin polymerization catalystMITSUI PETROCHEMICAL IND·Filed 1995·Granted Feb 3, 1998·38 cites·9 claims
- 0786US5308816AOlefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1992·Granted May 3, 1994·57 cites·18 claims
- 0884US5455316AOlefin polymerization solid catalyst, olefin polymerization catalyst and olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1994·Granted Oct 3, 1995·49 cites·18 claims
- 0982US5126301ASolid catalyst for polymerizing an olefinMITSUI PETROCHEMICAL IND·Filed 1990·Granted Jun 30, 1992·55 cites·84 claims
- 1081US5916988AEthylene random copolymersMITSUI CEHMICALS INC·Filed 1997·Granted Jun 29, 1999·33 cites·7 claims
- 1179US5639842AEthylene random copolymersMITSUI PETROCHEMICAL IND·Filed 1996·Granted Jun 17, 1997·35 cites·6 claims
- 1278US5883205AProcess for the preparation of an ethylene copolymer and prepolymerized solid catalyst for olefin polymerizationMITSUI CHEMICALS INC·Filed 1997·Granted Mar 16, 1999·27 cites·2 claims
- 1376US5840815AGas-phase or slurry polymerization process for the preparation of an olefin polymerMITSUI PETROCHEMICAL IND·Filed 1995·Granted Nov 24, 1998·24 cites·2 claims
- 1476US5703180ACatalyst for olefin polymerization, process for olefin polymerization using the same, ethylene/α-olefin copolymer, graft modified ethylene/α-olefin copolymer, and ethylene copolymer compositionMITSUI PETROCHEMICAL IND·Filed 1996·Granted Dec 30, 1997·32 cites·25 claims
- 1572US6225410B1Ethylene/α-olefin copolymer and process for preparing the sameMITSUI CHEMICALS·Filed 1998·Granted May 1, 2001·27 cites·8 claims
- 1671US6001941AEthylene α-olefin copolymer obtained by copolymerizing ethylene with an α-olefinMITSUI CHEMICALS INC·Filed 1995·Granted Dec 14, 1999·24 cites·7 claims
- 1770US8604140B2Method for preventing fouling in chemical equipment and antifouling agentNAGAI NAOSHI·Filed 2010·Granted Dec 10, 2013·3 cites·11 claims
- 1869US5795838AOlefin polymerization catalyst and process for olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1995·Granted Aug 18, 1998·20 cites·23 claims
- 1963US8445609B2Method for producing olefin polymerTOHI YASUSHI·Filed 2010·Granted May 21, 2013·1 cites·11 claims
- 2062US5543377AOlefin polymerization catalysts and methods of olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1995·Granted Aug 6, 1996·14 cites·10 claims
- 2161US5539069AOlefin polymerization catalysts and methods of olefin polymerizationMITSUI PETROCHEMICAL IND·Filed 1994·Granted Jul 23, 1996·11 cites·10 claims
- 2257US5708080AGraft modified ethylene/α-olefin copolymerMITSUI PETROCHEMICAL IND·Filed 1995·Granted Jan 13, 1998·13 cites·4 claims
- 2354US5834557AGraft modified ethylene/α-olefin copolymer compositionMITSUI CHEMICALS INC·Filed 1997·Granted Nov 10, 1998·9 cites·5 claims
- 2448US6043325AProcess for olefin polymerizationMITSUI CHEMICALS INC·Filed 1997·Granted Mar 28, 2000·7 cites·12 claims
- 2536US6303713B1Graft modified ethylene α-olefin copolymer obtained by graft copolymerzing an ethylene/α-olefin copolymer with a polar monomerMITSUI CHEMICALS INC·Filed 1999·Granted Oct 16, 2001·2 cites·9 claims
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