Inventor · disambiguated record
Jun Niijima
Also filed as: NIIJIMA JUN
24 granted patents·4 pending applications·330 citations·filing 1991–2022
96Inventor score
Top patents by PatentIndex Score
28 records- 0195US5250549ASulfonamide derivativesEISAI CO LTD·Filed 1991·Granted Oct 5, 1993·63 cites·9 claims
- 0294US7884128B2Process for total synthesis of pladienolide B and pladienolide DEISAI R&D MAN CO LTD·Filed 2010·Granted Feb 8, 2011·15 cites·2 claims
- 0394US7816401B2Process for total synthesis of pladienolide B and pladienolide DEISAI R&D MAN CO LTD·Filed 2006·Granted Oct 19, 2010·16 cites·2 claims
- 0492US7550503B2Physiologically active substancesEISAI R&D MAN CO LTD·Filed 2006·Granted Jun 23, 2009·27 cites·26 claims
- 0592US5292758ASulfonamide derivativesEISAI CO LTD·Filed 1992·Granted Mar 8, 1994·39 cites·4 claims
- 0691US5610320ASulfonamide phenyl substituted compoundsEISAI CO LTD·Filed 1995·Granted Mar 11, 1997·42 cites·20 claims
- 0786US7026352B1Physiologically active substancesEISAI CO LTD·Filed 2002·Granted Apr 11, 2006·32 cites·92 claims
- 0885US7619100B2Physiologically active substancesMERCIAN CORP·Filed 2007·Granted Nov 17, 2009·7 cites·9 claims
- 0984US8058444B2Heterocycle-substituted pyridine derivative's salt or crystal thereofNIIJIMA JUN·Filed 2008·Granted Nov 15, 2011·12 cites·1 claims
- 1082US8530654B2Crystals, amorphous substances or salts of methyl N-[3-(6,7-dimethoxy-2-methylaminoquinazolin-4-yl) phenyl] terephthalamic acidYAMAMOTO EIICHI·Filed 2008·Granted Sep 10, 2013·6 cites·1 claims
- 1182US7667052B2Bioactive substanceEISAI R&D MAN CO LTD·Filed 2005·Granted Feb 23, 2010·7 cites·29 claims
- 1279US7256178B2Physiologically active substancesMERCIAN CORP·Filed 2003·Granted Aug 14, 2007·14 cites·39 claims
- 1373US7803949B2Process for preparation of water-soluble azole prodrugsEISAI R&D MAN CO LTD·Filed 2006·Granted Sep 28, 2010·2 cites·24 claims
- 1468US5610304APyrimidinyl or pyridinyl sulfonamide substituted compoundsEISAI CO LTD·Filed 1995·Granted Mar 11, 1997·16 cites·9 claims
- 1567US5854274ATricyclic heterocyclic sulfonamide and sulfonic ester derivativesEISAI CO LTD·Filed 1996·Granted Dec 29, 1998·9 cites·8 claims
- 1667US5332751APyridine carboxamide compounds which have useful as pharmaceutical utilityEISAI CO LTD·Filed 1993·Granted Jul 26, 1994·6 cites·4 claims
- 1763US7893068B2Physiologically active substancesMERCIAN CORP·Filed 2007·Granted Feb 22, 2011·0 cites·3 claims
- 1860US5846969ATricyclic heterocyclic sulfonamide and sulfonic ester derivativesEISAI CO LTD·Filed 1997·Granted Dec 8, 1998·6 cites·8 claims
- 1960US5834462ATricyclic heterocyclic sulfonamide and sulfonic ester derivativesEISAI CO LTD·Filed 1994·Granted Nov 10, 1998·5 cites·18 claims
- 2058US2024294497A1Method for producing monocyclic pyridine derivativeEISAI R&D MAN CO LTD·Filed 2022·Application pending·0 cites
- 2156US8492543B2Method for producing quinazoline derivativeNIIJIMA JUN·Filed 2008·Granted Jul 23, 2013·0 cites·8 claims
- 2256US2024294496A1Production method for synthetic intermediate of monocyclic pyridine derivativeEISAI R&D MAN CO LTD·Filed 2022·Application pending·0 cites
- 2353US2006009439A1Novel physiologically active substancesEISAI CO LTD·Filed 2003·Application pending·0 cites
- 2452US5434172ASulfonamide derivativesEISAI CO LTD·Filed 1994·Granted Jul 18, 1995·2 cites·4 claims
- 2550US11691990B2Salts of compounds and crystals thereofEISAI R&D MAN CO LTD·Filed 2019·Granted Jul 4, 2023·0 cites·12 claims
- 2650US8410277B2Method for manufacturing heterocycle substituted pyridine derivativesNIIJIMA JUN·Filed 2008·Granted Apr 2, 2013·0 cites·7 claims
- 2748US5952335AFused polycyclic heterocycle derivativesEISAI CO LTD·Filed 1996·Granted Sep 14, 1999·4 cites·12 claims
- 2841US2008227815A1Crystal of Indole Derivative Having Piperidine Ring and Process for Production ThereofSAKAGUCHI TAKAHISA·Filed 2006·Application pending·0 cites
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