Inventor · disambiguated record
Norio Tomotsu
Also filed as: TOMOTSU NORIO
38 granted patents·4 pending applications·338 citations·filing 1988–2022
98Inventor score
Top patents by PatentIndex Score
42 records- 0184US4978730AProcess for producing styrene-based polymers and catalyst for use thereinIDEMITSU KOSAN CO·Filed 1988·Granted Dec 18, 1990·29 cites·7 claims
- 0277US5391661AProcess for producing a styrenic polymer and a catalyst for use thereinIDEMITSU KOSAN CO·Filed 1992·Granted Feb 21, 1995·31 cites·9 claims
- 0372US5093295AProcess for producing homogeneous aluminoxane solutionIDEMITSU KOSAN CO·Filed 1990·Granted Mar 3, 1992·14 cites·12 claims
- 0469US5276117AProcess for producing styrene-based polymers and catalysts for use thereinIDEMITSU KOSAN CO·Filed 1992·Granted Jan 4, 1994·15 cites·6 claims
- 0568US5461128AProcess for producing a styrenic polymerIDEMITSU KOSAN CO·Filed 1993·Granted Oct 24, 1995·16 cites·26 claims
- 0668US5272229AProcess for producing a styrene polymer having high degree of syndiotactic configurationIDEMITSU KOSAN CO·Filed 1991·Granted Dec 21, 1993·16 cites·2 claims
- 0763US5747614ACatalyst for producing sytrenic polymer and process for producing sytrenic polymer by using sameIDEMITSU KOSAN CO·Filed 1994·Granted May 5, 1998·9 cites·14 claims
- 0863US5600005AProcess for producing tetrakisflorophenylborateIDEMITSU KOSAN CO·Filed 1995·Granted Feb 4, 1997·10 cites·8 claims
- 0961US5670587ACatalyst for producing aromatic vinyl compound-based polymer composition and process for producing aromatic vinyl compound-based polymer composition using sameIDEMITSU KOSAN CO·Filed 1994·Granted Sep 23, 1997·14 cites·11 claims
- 1057US5023222ACatalyst for producing syndiotactic configuration styrene-based polymersIDEMITSU KOSAN CO·Filed 1990·Granted Jun 11, 1991·9 cites·8 claims
- 1155US5786433AProcess for producing styrenic polymerIDEMITSU KOSAN CO·Filed 1996·Granted Jul 28, 1998·10 cites·9 claims
- 1255US5294685AProcess for producing a styrenic polymer having a high degree of syndiotacticityIDEMITSU KOSAN CO·Filed 1993·Granted Mar 15, 1994·17 cites·5 claims
- 1354US5430001AProcess for producing a styrene polymer and a catalyst for use thereinIDEMITSU KOSAN CO·Filed 1993·Granted Jul 4, 1995·8 cites·2 claims
- 1453US5858904ACatalyst for production of vinyl-based polymer and process for production of vinyl-based aromatic polymerIDEMITSU KOSAN CO·Filed 1994·Granted Jan 12, 1999·9 cites·15 claims
- 1553US5747613AProcess for producing aromatic vinyl compound-based copolymerIDEMITSU KOSAN CO·Filed 1994·Granted May 5, 1998·9 cites·33 claims
- 1653US5420089ACatalyst for the production of styrene-based polymersIDEMITSU KOSAN CO·Filed 1993·Granted May 30, 1995·7 cites·12 claims
- 1753US2024400402A1Method for producing ammonia, and molybdenum complex used in production method and ligand that is raw material for molybdenum complexUNIV TOKYO·Filed 2022·Application pending·0 cites
- 1852US6825294B1Catalysts for polymerizing styrene and other monomer and process for producing styrene polymerIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Nov 30, 2004·2 cites·38 claims
- 1952USRE37064EProcess for producing styrenic polymerIDEMITSU KOSAN CO·Filed 2000·Granted Feb 20, 2001·2 cites·7 claims
- 2052US5756612AProcess for producing styrenic polymerIDEMITSU KOSAN CO·Filed 1996·Granted May 26, 1998·10 cites·7 claims
- 2152US5070160AProcess for drying aluminoxane and process for producing polymersIDEMITSU KOSAN CO·Filed 1990·Granted Dec 3, 1991·13 cites·11 claims
- 2250US6277934B1Organic aluminoxy compound and catalyst for producing polymerIDEMITSU PETROCHEMICAL CO·Filed 1999·Granted Aug 21, 2001·8 cites·13 claims
- 2349US5596055AProcess for producing styrenic polymerIDEMITSU KOSAN CO·Filed 1995·Granted Jan 21, 1997·9 cites·4 claims
- 2448US6815396B1Adsorbents made of styrene polymersIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Nov 9, 2004·1 cites·12 claims
- 2547US5543481AProcess for producing a styrenic polymerIDEMITSU KOSAN CO·Filed 1995·Granted Aug 6, 1996·7 cites·9 claims
- 2643US6696525B2Process for producing polymer compositionIDEMITSU PETROCHEMICAL CO·Filed 2001·Granted Feb 24, 2004·0 cites·14 claims
- 2743US5917073AOrganic aluminoxy compound and catalyst for producing polymerIDEMITSU PETROCHEMICAL CO·Filed 1996·Granted Jun 29, 1999·5 cites·15 claims
- 2843US5905126AProcess and catalyst for producing styrenic polymerIDEMITSU KOSAN CO·Filed 1997·Granted May 18, 1999·5 cites·5 claims
- 2943US5824753AProcess for producing a styrenic polymerIDEMITSU KOSAN CO·Filed 1996·Granted Oct 20, 1998·10 cites·3 claims
- 3043US5623034AProcess for producing styrenic polymerIDEMITSU KOSAN CO·Filed 1996·Granted Apr 22, 1997·6 cites·10 claims
- 3143US5084585AProcess for preparation of aluminoxaneIDEMITSU KOSAN CO·Filed 1991·Granted Jan 28, 1992·8 cites·22 claims
- 3243US2010266952A1Cyclic compound, photoresist base, photoresist composition, microfabrication process, and semiconductor deviceIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 3342US5807940ACatalyst for polymerization and process for producing a styrenic polymer by using the catalystIDEMITSU KOSAN CO·Filed 1995·Granted Sep 15, 1998·6 cites·14 claims
- 3442US2010190107A1Cyclic compound, photoresist base material and photoresist compositionIDEMITSU KOSAN CO·Filed 2008·Application pending·0 cites
- 3541US5422407AProcess for producing styrene-based polymers and catalyst for use thereinIDEMITSU KOSAN CO·Filed 1993·Granted Jun 6, 1995·3 cites·6 claims
- 3640US6034191AOrganic aluminoxy compound and catalyst for producing polymerIDEMITSU PETROCHEMICAL CO·Filed 1998·Granted Mar 7, 2000·4 cites·16 claims
- 3740US5739227AProcess for controlling molecular weight of a styrenic polymerIDEMITSU KOSAN CO·Filed 1995·Granted Apr 14, 1998·5 cites·8 claims
- 3839US5010151AMethod for preparing ethylene polymersIDEMITSU PETROCHEMICAL CO·Filed 1990·Granted Apr 23, 1991·4 cites·16 claims
- 3939US2003091886A1Polyelectrolyte, polyelectrolyte film, and fuel cellFiled 2001·Application pending·0 cites
- 4037US5451648AProcess for producing styrenic polymerIDEMITSU KOSAN CO·Filed 1994·Granted Sep 19, 1995·3 cites·9 claims
- 4133US6075102APolymerization catalyst and process for producing polymersIDEMITSU KOSAN CO·Filed 1996·Granted Jun 13, 2000·2 cites·6 claims
- 4232US6100352AProcess for producing polymerIDEMITSU KOSAN CO·Filed 1997·Granted Aug 8, 2000·2 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →