Assignee
WAKO PURE CHEM IND LTD
JP·234 granted patents·40 pending applications·4,364 citations·filing 1974–2017
Top patents by PatentIndex Score
274 records- 0197US7517990B2Method for deuteration of a heterocyclic ringWAKO PURE CHEM IND LTD·Filed 2003·Granted Apr 14, 2009·515 cites·5 claims
- 0297US5350660AChemical amplified resist material containing photosensitive compound capable of generating an acid and specific polystyrene copolymer having functional groups that become alkali-soluble under an acid atmosphereWAKO PURE CHEM IND LTD·Filed 1991·Granted Sep 27, 1994·210 cites·19 claims
- 0395US6723483B1Sulfonium salt compoundsWAKO PURE CHEM IND LTD·Filed 2000·Granted Apr 20, 2004·65 cites·34 claims
- 0495US5359085AFulgimide derivativesWAKO PURE CHEM IND LTD·Filed 1990·Granted Oct 25, 1994·134 cites·19 claims
- 0594US6514921B1Cleaning agentWAKO PURE CHEM IND LTD·Filed 2000·Granted Feb 4, 2003·77 cites·17 claims
- 0693US6875329B2Method for separating substances using a dielectrophoretic apparatusWAKO PURE CHEM IND LTD·Filed 2001·Granted Apr 5, 2005·62 cites·21 claims
- 0793US6310019B1Cleaning agent for a semi-conductor substrateWAKO PURE CHEM IND LTD·Filed 2000·Granted Oct 30, 2001·65 cites·9 claims
- 0892US5290361ASurface treating cleaning methodWAKO PURE CHEM IND LTD·Filed 1992·Granted Mar 1, 1994·273 cites·8 claims
- 0992US4778753AMethod of quantitatively measuring an oxidative substance using triphenyl methane type leuco-pigment as a coloring substanceWAKO PURE CHEM IND LTD·Filed 1984·Granted Oct 18, 1988·52 cites·29 claims
- 1091US7198702B1Method for separating substances using dielectrophoretic forcesWAKO PURE CHEM IND LTD·Filed 2000·Granted Apr 3, 2007·78 cites·22 claims
- 1191US6534458B1Cleaning agent for a semi-conductor substrateWAKO PURE CHEM IND LTD·Filed 2000·Granted Mar 18, 2003·55 cites·22 claims
- 1289US7312014B2Resist compositionsWAKO PURE CHEM IND LTD·Filed 2002·Granted Dec 25, 2007·40 cites·24 claims
- 1389US6924323B2Sulfonium salt compoundWAKO PURE CHEM IND LTD·Filed 2001·Granted Aug 2, 2005·28 cites·8 claims
- 1489US6566572B2Process for producing 9,10-diphenylanthraceneWAKO PURE CHEM IND LTD·Filed 2001·Granted May 20, 2003·32 cites·6 claims
- 1588US6410494B2Cleaning agentWAKO PURE CHEM IND LTD·Filed 2001·Granted Jun 25, 2002·42 cites·22 claims
- 1688US5558976APattern formation methodWAKO PURE CHEM IND LTD·Filed 1995·Granted Sep 24, 1996·67 cites·2 claims
- 1787US8044184B2Probe and primer for tubercle bacillus detection, and method of detecting human tubercle bacillus therewithWAKO PURE CHEM IND LTD·Filed 2005·Granted Oct 25, 2011·4 cites·22 claims
- 1887US6143705ACleaning agentWAKO PURE CHEM IND LTD·Filed 1997·Granted Nov 7, 2000·75 cites·2 claims
- 1987US5558971AResist materialWAKO PURE CHEM IND LTD·Filed 1995·Granted Sep 24, 1996·79 cites·7 claims
- 2087US4622295AModified oligosaccharides used as substrate for measuring α-amylase activityWAKO PURE CHEM IND LTD·Filed 1983·Granted Nov 11, 1986·26 cites·12 claims
- 2186US4673635ATriphenyl methane derivatives and method of quantitatively measuring an oxidative substanceWAKO PURE CHEM IND LTD·Filed 1984·Granted Jun 16, 1987·16 cites·9 claims
- 2286US4251629ADetermination of hydrogen peroxideWAKO PURE CHEM IND LTD·Filed 1978·Granted Feb 17, 1981·25 cites·10 claims
- 2385US6432608B1Resist compositionWAKO PURE CHEM IND LTD·Filed 2000·Granted Aug 13, 2002·23 cites·23 claims
- 2483US9862914B2Cleaning agent for semiconductor substrates and method for processing semiconductor substrate surfaceWAKO PURE CHEM IND LTD·Filed 2014·Granted Jan 9, 2018·7 cites·17 claims
- 2583US7375066B2Semiconductor wafer cleaning agent and cleaning methodWAKO PURE CHEM IND LTD·Filed 2001·Granted May 20, 2008·25 cites·31 claims
- 2683US4766083AMethod for the photometric determination of biological agglutinationWAKO PURE CHEM IND LTD·Filed 1983·Granted Aug 23, 1988·60 cites·10 claims
- 2781US5695910AResist composition for deep ultraviolet lightWAKO PURE CHEM IND LTD·Filed 1996·Granted Dec 9, 1997·44 cites·6 claims
- 2881US5580846ASurface treating agents and treating process for semiconductorsWAKO PURE CHEM IND LTD·Filed 1995·Granted Dec 3, 1996·53 cites·9 claims
- 2981US5468589AResist material and pattern formation processWAKO PURE CHEM IND LTD·Filed 1992·Granted Nov 21, 1995·72 cites·10 claims
- 3081US4970152AReagents for determining peptidoglycan and β-1,3-glucanWAKO PURE CHEM IND LTD·Filed 1987·Granted Nov 13, 1990·47 cites·12 claims
- 3181US4574156APolymethoxybenzyl piperazine derivatives effective for improving blood circulation systemWAKO PURE CHEM IND LTD·Filed 1984·Granted Mar 4, 1986·25 cites·6 claims
- 3281US4295853AMethod for measuring peroxidic substancesWAKO PURE CHEM IND LTD·Filed 1978·Granted Oct 20, 1981·14 cites·8 claims
- 3380US8034630B2Protein capable of binding to hyaluronic acid, and method for measurement of hyaluronic acid using the sameWAKO PURE CHEM IND LTD·Filed 2009·Granted Oct 11, 2011·8 cites·5 claims
- 3480US4837331AStabilization of tetrazolium salts with cyclodextrinsWAKO PURE CHEM IND LTD·Filed 1986·Granted Jun 6, 1989·76 cites·6 claims
- 3579US5672696ATreatment of paraffin embedded tissue for gene analysisWAKO PURE CHEM IND LTD·Filed 1995·Granted Sep 30, 1997·71 cites·10 claims
- 3679US4861597ANovel functionallized liposomes and a process for production thereofWAKO PURE CHEM IND LTD·Filed 1987·Granted Aug 29, 1989·69 cites·17 claims
- 3779US4039527AUnsymmetrical azonitrilesWAKO PURE CHEM IND LTD·Filed 1974·Granted Aug 2, 1977·16 cites·7 claims
- 3878US5998595AAzidohalogenobenzyl derivatives, sugar compounds and protection of hydroxy groupsWAKO PURE CHEM IND LTD·Filed 1997·Granted Dec 7, 1999·22 cites·10 claims
- 3977US9910012B2Methods for real-time sampling of reaction productsWAKO PURE CHEM IND LTD·Filed 2013·Granted Mar 6, 2018·3 cites·14 claims
- 4077US7736612B2Processes for production of silica gels carrying derivatization agents for carbonyl compoundsWAKO PURE CHEM IND LTD·Filed 2005·Granted Jun 15, 2010·7 cites·12 claims
- 4176US7642368B2Process for producing triarylsulfonium saltWAKO PURE CHEM IND LTD·Filed 2004·Granted Jan 5, 2010·8 cites·9 claims
- 4276US6476240B2Monomer and a polymer obtained therefromWAKO PURE CHEM IND LTD·Filed 2001·Granted Nov 5, 2002·5 cites·7 claims
- 4376US5677112AProcess for forming a pattern on a semiconductor substrate using a deep ultraviolet absorbent compositionWAKO PURE CHEM IND LTD·Filed 1996·Granted Oct 14, 1997·44 cites·4 claims
- 4476US5670299APattern formation processWAKO PURE CHEM IND LTD·Filed 1995·Granted Sep 23, 1997·47 cites·18 claims
- 4576US5216135ADiazodisulfonesWAKO PURE CHEM IND LTD·Filed 1992·Granted Jun 1, 1993·25 cites·7 claims
- 4676US4260713AProcess for producing water-soluble polymersWAKO PURE CHEM IND LTD·Filed 1979·Granted Apr 7, 1981·17 cites·5 claims
- 4776US4177109Aγ-glutamyl-p-aminoanilide derivatives for measuring activity of γ-glutamyl transpeptidaseWAKO PURE CHEM IND LTD·Filed 1978·Granted Dec 4, 1979·19 cites·7 claims
- 4874US5179006AProcess for measuring endotoxinWAKO PURE CHEM IND LTD·Filed 1989·Granted Jan 12, 1993·42 cites·11 claims
- 4973US9222950B2Analysis assisting method, analyzer, remote computer, data analyzing method, program, and reagent containerWAKO PURE CHEM IND LTD·Filed 2014·Granted Dec 29, 2015·3 cites·10 claims
- 5073US6033826APolymer and resist materialWAKO PURE CHEM IND LTD·Filed 1996·Granted Mar 7, 2000·33 cites·11 claims
Showing the top 50 of 274 patent records by PatentIndex Score.
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