Assignee
SEIKAGAKU KOGYO CO LTD
JP·222 granted patents·60 pending applications·4,100 citations·filing 1975–2025
Top patents by PatentIndex Score
282 records- 0196US5462976APhotocurable glycosaminoglycan derivatives, crosslinked glycosaminoglycans and method of production thereofSEIKAGAKU KOGYO CO LTD·Filed 1993·Granted Oct 31, 1995·116 cites·11 claims
- 0296US5449752APolypeptides with affinity to lipopolysaccharides and their usesSEIKAGAKU KOGYO CO LTD·Filed 1992·Granted Sep 12, 1995·243 cites·9 claims
- 0393US4863907ACrosslinked glycosaminoglycans and their useSEIKAGAKU KOGYO CO LTD·Filed 1985·Granted Sep 5, 1989·80 cites·7 claims
- 0492US7951936B2Crosslinked polysaccharide spongeSEIKAGAKU KOGYO CO LTD·Filed 2007·Granted May 31, 2011·8 cites·2 claims
- 0591USD397790SAuxiliary finger flange for a syringeSEIKAGAKU KOGYO CO LTD·Filed 1997·Granted Sep 1, 1998·53 cites·1 claims
- 0691US4716224ACrosslinked hyaluronic acid and its useSEIKAGAKU KOGYO CO LTD·Filed 1985·Granted Dec 29, 1987·143 cites·11 claims
- 0790US10716804B2Crosslinked chondroitin sulfate, composition containing same, and treatment agent for eye diseaseSEIKAGAKU KOGYO CO LTD·Filed 2019·Granted Jul 21, 2020·4 cites·9 claims
- 0890US10259889B2Method for sulfating glycosaminoglycanSEIKAGAKU KOGYO CO LTD·Filed 2016·Granted Apr 16, 2019·6 cites·13 claims
- 0990US6063378ATherapeutic agent for herniated intervertebral discSEIKAGAKU KOGYO CO LTD·Filed 1998·Granted May 16, 2000·104 cites·15 claims
- 1090US6025444ACinnamic acid derivativeSEIKAGAKU KOGYO CO LTD·Filed 1997·Granted Feb 15, 2000·46 cites·5 claims
- 1189US11236318B2Recombinant Factor C and method for producing the same, and method for measuring endotoxinSEIKAGAKU KOGYO CO LTD·Filed 2019·Granted Feb 1, 2022·3 cites·21 claims
- 1289US11207345B2Crosslinked chondroitin sulfate, composition containing same, and treatment agent for eye diseaseSEIKAGAKU KOGYO CO LTD·Filed 2020·Granted Dec 28, 2021·4 cites·3 claims
- 1389US9301972B2Hyaluronic acid derivativesSEIKAGAKU KOGYO CO LTD·Filed 2014·Granted Apr 5, 2016·9 cites·14 claims
- 1489US7700747B2Crosslinked polysaccharide spongeSEIKAGAKU KOGYO CO LTD·Filed 2007·Granted Apr 20, 2010·7 cites·3 claims
- 1589US6602859B2Photocurable hyaluronic acid derivative and process for producing the same, and photocured crosslinked-hyaluronic acid derivative and medical material using the sameSEIKAGAKU KOGYO CO LTD·Filed 2001·Granted Aug 5, 2003·44 cites·16 claims
- 1689US6407064B2Aminoalcohol derivative and medicament comprising the sameSEIKAGAKU KOGYO CO LTD·Filed 2000·Granted Jun 18, 2002·40 cites·15 claims
- 1787US10144923B2Recombinant Factor C and method for producing the same, and method for measuring endotoxinSEIKAGAKU KOGYO CO LTD·Filed 2013·Granted Dec 4, 2018·6 cites·20 claims
- 1887US5307144APhotometerSEIKAGAKU KOGYO CO LTD·Filed 1992·Granted Apr 26, 1994·185 cites·2 claims
- 1986US6075066AMaterial to be worn on the eyeballSEIKAGAKU KOGYO CO LTD·Filed 1995·Granted Jun 13, 2000·81 cites·13 claims
- 2086US5470578AAntirheumatic compositionSEIKAGAKU KOGYO CO LTD·Filed 1993·Granted Nov 28, 1995·102 cites·9 claims
- 2186US5290695AHeparitinase, process for producing the same and bacteria producing the sameSEIKAGAKU KOGYO CO LTD·Filed 1992·Granted Mar 1, 1994·42 cites·1 claims
- 2286US4188264AProcess for determining bacterial endotoxin and reagents used thereforSEIKAGAKU KOGYO CO LTD·Filed 1977·Granted Feb 12, 1980·32 cites·6 claims
- 2385US5733892AMetastasis inhibitor composition comprising a phospholipid-linked glycosaminoglycan and method for inhibiting metastasis employing the sameSEIKAGAKU KOGYO CO LTD·Filed 1995·Granted Mar 31, 1998·81 cites·13 claims
- 2485US2023357742A1Novel recombinant factor c and method for producing the same, and method for measuring endotoxinSEIKAGAKU KOGYO CO LTD·Filed 2023·Application pending·0 cites
- 2584US11499177B2Horseshoe crab factor B variantSEIKAGAKU KOGYO CO LTD·Filed 2018·Granted Nov 15, 2022·2 cites·9 claims
- 2684US7150981B2Sulfate transferase and DNA encoding this enzymeSEIKAGAKU KOGYO CO LTD·Filed 2001·Granted Dec 19, 2006·11 cites·1 claims
- 2784US6335444B1Amino alcohol derivative and method for preparing the sameSEIKAGAKU KOGYO CO LTD·Filed 1999·Granted Jan 1, 2002·53 cites·11 claims
- 2884US5707649AAgent for treating neuronal diseasesSEIKAGAKU KOGYO CO LTD·Filed 1994·Granted Jan 13, 1998·65 cites·10 claims
- 2984US4421650AProcess for separation of carbohydratesSEIKAGAKU KOGYO CO LTD·Filed 1983·Granted Dec 20, 1983·62 cites·12 claims
- 3084US2025018018A1Therapeutic agent for disc herniationSEIKAGAKU KOGYO CO LTD·Filed 2024·Application pending·0 cites
- 3183US6783966B1Alpha1, 4-galactosyltransferase and DNA encoding thereofSEIKAGAKU KOGYO CO LTD·Filed 2000·Granted Aug 31, 2004·14 cites·4 claims
- 3283US6007810AChondroitinase compositionsSEIKAGAKU KOGYO CO LTD·Filed 1998·Granted Dec 28, 1999·75 cites·20 claims
- 3383US5907039AAmino alcohol derivative and method for preparing the sameSEIKAGAKU KOGYO CO LTD·Filed 1996·Granted May 25, 1999·52 cites·6 claims
- 3483US5496718AChondroitinase ABC isolated from proteus vulgaris ATCC 6896SEIKAGAKU KOGYO CO LTD·Filed 1993·Granted Mar 5, 1996·64 cites·1 claims
- 3583US4446312AC-β-D-Xylopyranoside series compoundsSEIKAGAKU KOGYO CO LTD·Filed 1983·Granted May 1, 1984·26 cites·11 claims
- 3682US10982202B2Recombinant factor C and method for producing the same, and method for measuring endotoxinSEIKAGAKU KOGYO CO LTD·Filed 2018·Granted Apr 20, 2021·1 cites·13 claims
- 3781US7476730B2Sulfotransferase and DNA encoding the enzymeSEIKAGAKU KOGYO CO LTD·Filed 2006·Granted Jan 13, 2009·3 cites·2 claims
- 3881US7452856B2Antibacterial peptideSEIKAGAKU KOGYO CO LTD·Filed 2005·Granted Nov 18, 2008·6 cites·6 claims
- 3981US5849326AMethod for treating neuronal diseases via administration of 2-acylaminopropanol derivativesSEIKAGAKU KOGYO CO LTD·Filed 1995·Granted Dec 15, 1998·61 cites·6 claims
- 4080US10420796B2Crosslinked chondroitin sulfate, composition containing same, and treatment agent for eye diseaseSEIKAGAKU KOGYO CO LTD·Filed 2016·Granted Sep 24, 2019·4 cites·12 claims
- 4180US9040254B2Methods for detecting an endotoxin using a horseshoe crab clotting enzymeSEIKAGAKU KOGYO CO LTD·Filed 2013·Granted May 26, 2015·1 cites·5 claims
- 4280US5789462APhotocured crosslinked-hyaluronic acid contact lensSEIKAGAKU KOGYO CO LTD·Filed 1996·Granted Aug 4, 1998·63 cites·15 claims
- 4380US5389547APretreating reagent, pretreatment method, assay with pretreated samples, assay kit and method of diagnosing infectious diseasesSEIKAGAKU KOGYO CO LTD·Filed 1993·Granted Feb 14, 1995·38 cites·15 claims
- 4480US5155032AHorseshoe crab amebocyte lysate factor g activation inhibitorSEIKAGAKU KOGYO CO LTD·Filed 1989·Granted Oct 13, 1992·43 cites·18 claims
- 4580US4454123AO-xylopyranoside series compounds and methods of useSEIKAGAKU KOGYO CO LTD·Filed 1983·Granted Jun 12, 1984·15 cites·6 claims
- 4679US7723092B2Chondroitin polymerase and DNA encoding the sameSEIKAGAKU KOGYO CO LTD·Filed 2006·Granted May 25, 2010·2 cites·15 claims
- 4779US5763205AProducing pure chondroitinase ABC from Proteus vulgaris ATCC 6896SEIKAGAKU KOGYO CO LTD·Filed 1995·Granted Jun 9, 1998·54 cites·7 claims
- 4879US5464942APhospholipid- or lipid-linked glycosaminoglycan and process for producing the sameSEIKAGAKU KOGYO CO LTD·Filed 1991·Granted Nov 7, 1995·63 cites·17 claims
- 4978US7915389B2Anti-acharan sulfate antibody and its applicationSEIKAGAKU KOGYO CO LTD·Filed 2007·Granted Mar 29, 2011·2 cites·6 claims
- 5078US7335515B2(1→3)-β-D-glucan binding domain protein, measuring method using the substance and assay kitSEIKAGAKU KOGYO CO LTD·Filed 2006·Granted Feb 26, 2008·5 cites·5 claims
Showing the top 50 of 282 patent records by PatentIndex Score.
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