Assignee profile:

DENKA SEIKEN CO., LTD.

City:

Tokyo

Country:

Japan

Published Applications:

82

Last publication date:

2020-10-08

Patent Grants:

66

Last grant date:

2022-06-28

Top Inventors for applications by DENKA SEIKEN CO., LTD.

These are the the leading inventors for applications assigned to DENKA SEIKEN CO., LTD.:

Recent patent applications by DENKA SEIKEN CO., LTD.

DENKA SEIKEN CO., LTD. based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2020-10-08
US20200318155A1
Chemistry; metallurgy

METHOD AND REAGENT FOR QUANTIFYING CHOLESTEROL IN TRIGLYCERIDE-RICH LIPOPROTEIN

#2 | 2019-11-28
US20190361029A1
Physics

PREPARATION OF VISIBLE COLORED INSOLUBLE CARRIER PARTICLES LABELED WITH A FLUORESCENT DYE AND AN IMMUNOASSAY METHOD USING THE SAME

#3 | 2019-09-12 ✅ Patent 11,371,987 granted on 2022-06-28
US20190277838A1
Physics

Method of amplifying detection light using light-reflecting material, in immunochromatography

#4 | 2019-07-25 ✅ Patent 11,320,350 granted on 2022-05-03
US20190226952A1
Physics

Method for agglutinating erythrocytes, method for separating erythrocytes, and hemagglutination reagent

#5 | 2019-05-23 ✅ Patent 12,392,787 granted on 2025-08-19
US20190154711A1
Physics

METHOD FOR QUANTIFYING THE AMOUNT OF CHOLESTEROL IN HIGH-DENSITY LIPOPROTEIN 3

#6 | 2019-04-04
US20190101532A1
Physics

METHOD FOR FORMING SAMPLE ADDITION PART OF IMMUNOCHROMATOGRAPHIC TEST DEVICE AND IMMUNOCHROMATOGRAPHIC TEST DEVICE

#7 | 2018-10-25 ✅ Patent 10,955,426 granted on 2021-03-23
US20180306823A1
Physics

Method for quantifying cholesterol in high-density lipoprotein 2, and reagent kit for the method

#8 | 2018-06-21 ✅ Patent 10,883,985 granted on 2021-01-05
US20180172682A1
Physics

Immunochromatographic test piece and immunochromatography method using same

#9 | 2018-06-14
US20180164316A1
Physics

TEST OBJECT DETECTION METHOD, AND IMMUNOASSAY INSTRUMENT AND MONOCLONAL ANTIBODY FOR SAME

#10 | 2018-05-24 ✅ Patent 10,436,783 granted on 2019-10-08
US20180143195A1
Physics

Method for microbial antigen collection

#11 | 2018-05-03 ✅ Patent 10,809,265 granted on 2020-10-20
US20180120324A1
Physics

Method for estimating number of podocytes in urine

#12 | 2017-05-25
US20170146554A1
Physics

METHOD FOR TEST ON DIABETIC NEPHROPATHY

#13 | 2017-05-25
US20170146553A1
Physics

TEST METHOD ON RENAL DISEASES

#14 | 2017-04-20
US20170108490A1
Physics

METHOD FOR INCREASING THE SENSITIVITY OF IMMUNOASSAY SYSTEM THROUGH PRETREATMENT OF URINE WITH DENATURANT

#15 | 2016-08-04
US20160223542A1
Physics

METHOD FOR MEASURING TYPE A INFLUENZA VIRUS

#16 | 2016-08-04 ✅ Patent 11,360,088 granted on 2022-06-14
US20160223541A1
Physics

Method for measuring influenza B virus

#17 | 2016-08-04 ✅ Patent 10,527,618 granted on 2020-01-07
US20160223540A1
Physics

Sample processing method for influenza virus immunoassay, and immunoassay method

#18 | 2016-06-30 ✅ Patent 10,345,294 granted on 2019-07-09
US20160187329A1
Physics

Method of amplifying detection light using light-reflecting material in immunochromatography

#19 | 2016-06-09 ✅ Patent 11,041,869 granted on 2021-06-22
US20160161512A1
Physics

Method and reagent for quantifying cholesterol in high density lipoprotein 3

#20 | 2016-04-28
US20160116481A1
Physics

PREPARATION OF VISIBLE COLORED INSOLUBLE CARRIER PARTICLES LABELED WITH A FLUORESCENT DYE AND AN IMMUNOASSAY METHOD USING THE SAME

#21 | 2016-02-11 ✅ Patent 9,897,601 granted on 2018-02-20
US20160041161A1
Physics

Test kit

#22 | 2016-02-04 ✅ Patent 10,295,533 granted on 2019-05-21
US20160033501A1
Physics

Test kit

#23 | 2016-01-07 ✅ Patent 9,625,452 granted on 2017-04-18
US20160003810A1
Physics

Method for estimating GFR (glomerular filtration rate) from measured value of megalin in urine

#24 | 2015-10-08 ✅ Patent 9,568,470 granted on 2017-02-14
US20150285791A1
Physics

Method for increasing the sensitivity of immunoassay system through pretreatment of urine with denaturant

#25 | 2015-08-20 ✅ Patent 10,365,277 granted on 2019-07-30
US20150233922A1
Physics

Method for measuring hemagglutinin from influenza virus

#26 | 2015-05-14 ✅ Patent 10,077,286 granted on 2018-09-18
US20150132834A1
Chemistry; metallurgy

Method for removal of triglycerides in lipoproteins other than low-density lipoproteins

#27 | 2015-03-26 ✅ Patent 9,939,436 granted on 2018-04-10
US20150086975A1
Physics

Immunological analysis method and reagent

#28 | 2015-03-19 ✅ Patent 9,890,412 granted on 2018-02-13
US20150079616A1
Chemistry; metallurgy

Method for quantifying subfraction of cholesterol (−C) in high-density lipoprotein (HDL)

#29 | 2015-02-12 ✅ Patent 10,018,641 granted on 2018-07-10
US20150044774A1
Physics

Method for quantifying cholesterol in high density lipoprotein 3

#30 | 2015-01-15 ✅ Patent 9,598,501 granted on 2017-03-21
US20150018534A1
Chemistry; metallurgy

Antibody-immobilized carrier, method of producing antibody-immobilized carrier, and use of said antibody-immobilized carrier

#31 | 2014-11-27 ✅ Patent 9,244,072 granted on 2016-01-26
US20140349277A1
Physics

Anti-human norovirus GII antibody

#32 | 2014-02-13 ✅ Patent 10,031,145 granted on 2018-07-24
US20140045201A1
Physics

Method for quantifying cholesterol in high-density lipoprotein 2, and reagent kit for the method

#33 | 2013-11-14
US20130302907A1
Physics

METHOD OF ASSAYING ANTIGEN AND REAGENT THEREFOR

#34 | 2013-10-31 ✅ Patent 8,865,423 granted on 2014-10-21
US20130288281A1
Chemistry; metallurgy

Method and kit for quantitatively determining small, dense LDL cholesterol

#35 | 2013-09-05 ✅ Patent 8,906,638 granted on 2014-12-09
US20130230873A1
Chemistry; metallurgy

Method for quantification of remnant-like lipoprotein cholesterol and kit for same

#36 | 2013-07-04
US20130171674A1
Physics

METHOD FOR QUANTIFYING THE AMOUNT OF CHOLESTEROL IN HIGH-DENSITY LIPOPROTEIN 3

#37 | 2013-06-27 ✅ Patent 9,151,768 granted on 2015-10-06
US20130164769A1
Physics

Method for quantifying the amount of cholesterol in high-density lipoprotein 3

#38 | 2013-06-20 ✅ Patent 8,932,865 granted on 2015-01-13
US20130157374A1
Physics

Method for quantifying the amount of cholesterol in high-density lipoprotein 3

#39 | 2012-12-20 ✅ Patent 8,673,577 granted on 2014-03-18
US20120322087A1
Physics

Method for examining acute renal disorder

#40 | 2012-12-06 ✅ Patent 8,883,985 granted on 2014-11-11
US20120309943A1
Chemistry; metallurgy

Antibody-immobilized carrier, method of producing antibody-immobilized carrier, and use of said antibody-immobilized carrier

#41 | 2012-08-16 ✅ Patent 9,145,578 granted on 2015-09-29
US20120208219A1
Chemistry; metallurgy

Method for assaying cholesterol in ApoE-containing HDL

#42 | 2012-06-28 ✅ Patent 9,075,049 granted on 2015-07-07
US20120164752A1
Physics

Immunoassay method and reagent therefor

#43 | 2012-06-28
US20120164667A1
Physics

METHOD FOR TEST ON DIABETIC NEPHROPATHY

#44 | 2012-06-28
US20120164662A1
Physics

TEST METHOD ON RENAL DISEASES

#45 | 2012-06-07 ✅ Patent 8,357,792 granted on 2013-01-22
US20120142054A1
Chemistry; metallurgy

SRSV detection kit

#46 | 2012-05-03 ✅ Patent 9,250,235 granted on 2016-02-02
US20120107957A1
Physics

Test reagent, and method for measuring analyte in test sample using same

#47 | 2012-03-29 ✅ Patent 8,940,525 granted on 2015-01-27
US20120077261A1
Physics

Device for a membrane assay

#48 | 2012-03-15 ✅ Patent 8,431,351 granted on 2013-04-30
US20120064538A1
Physics

Immunochromatography detection of multidrug-resistant and diagnostic kit

#49 | 2012-03-08 ✅ Patent 8,628,930 granted on 2014-01-14
US20120058489A1
Physics

Use of megalin in urine as marker for detecting renal disorder

#50 | 2012-02-16 ✅ Patent 8,663,931 granted on 2014-03-04
US20120040374A1
Physics

Method for detecting renal disease comprising measuring human megalin in urine

#51 | 2011-09-15 ✅ Patent 8,217,150 granted on 2012-07-10
US20110223614A1
Chemistry; metallurgy

Toxin detection method

#52 | 2011-08-11 ✅ Patent 8,703,430 granted on 2014-04-22
US20110195523A1
Physics

Method for measuring human megalin

#53 | 2011-07-28 ✅ Patent 8,709,780 granted on 2014-04-29
US20110182940A1
Chemistry; metallurgy

Method for producing purified influenza virus antigen

#54 | 2011-07-14 ✅ Patent 10,415,077 granted on 2019-09-17
US20110171672A1
Chemistry; metallurgy

Method of reducing measurement error caused by catalase inhibition by azide

#55 | 2011-06-16
US20110143458A1
Physics

TEST DEVICE FOR MEMBRANE ASSAY COMPRISING REFERENCE DISPLAY SECTION

#56 | 2011-06-16 ✅ Patent 9,046,517 granted on 2015-06-02
US20110143457A1
Physics

Cystatin C adsorption inhibitor

#57 | 2011-04-07
US20110081731A1
Physics

Method of Assaying Antigen and Reagent Therefor

#58 | 2010-10-07 ✅ Patent 8,440,419 granted on 2013-05-14
US20100255516A1
Chemistry; metallurgy

Method and kit for quantitatively determining small, dense LDL cholesterol

#59 | 2010-08-26
US20100216257A1
Physics

Method of Assaying Antigen and Reagent Therefor

#60 | 2010-06-10 ✅ Patent 8,524,452 granted on 2013-09-03
US20100143933A1
Physics

Measurement value lowering inhibitor for immunoassay method and immunoassay method using the same

#61 | 2010-04-15 ✅ Patent 7,947,808 granted on 2011-05-24
US20100092487A1
Chemistry; metallurgy

Toxin detection method

#62 | 2010-02-11 ✅ Patent 8,030,081 granted on 2011-10-04
US20100035288A1
Physics

Reagent for quantitative determination of small, dense LDLs

#63 | 2009-12-24 ✅ Patent 8,088,625 granted on 2012-01-03
US20090317846A1
Physics

Method for detection of familial combined hyperlipidemia

#64 | 2009-12-10 ✅ Patent 8,067,560 granted on 2011-11-29
US20090305420A1
Chemistry; metallurgy

SRSV detection kit

#65 | 2009-11-19 ✅ Patent 8,404,479 granted on 2013-03-26
US20090286226A1
Physics

Simple membrane assay method and kit

#66 | 2009-10-22 ✅ Patent 8,697,378 granted on 2014-04-15
US20090263844A1
Chemistry; metallurgy

Method and kit for quantitative determination for small, dense particle low density lipoproteins

#67 | 2009-08-06 ✅ Patent 8,178,311 granted on 2012-05-15
US20090197288A1
Physics

Multiple quantification of cholesterol in low density lipoprotein

#68 | 2009-06-11 ✅ Patent 7,811,826 granted on 2010-10-12
US20090148959A1
Physics

Method of quantitatively measuring small particle low density lipoproteins

#69 | 2009-05-07 ✅ Patent 7,955,809 granted on 2011-06-07
US20090117594A1
Physics

Method for measuring human megalin

#70 | 2008-09-25 ✅ Patent 8,221,969 granted on 2012-07-17
US20080233148A1
Chemistry; metallurgy

Method of producing virus

#71 | 2008-08-14 ✅ Patent 7,972,872 granted on 2011-07-05
US20080194013A1
Physics

Chromatography detection apparatus, detection method, and kit utilizing the same

#72 | 2008-08-14 ✅ Patent 7,718,444 granted on 2010-05-18
US20080193953A1
Physics

Convenient detection method, detection apparatus and detection kit

#73 | 2008-05-29 ✅ Patent 8,765,394 granted on 2014-07-01
US20080124748A1
Chemistry; metallurgy

Method of quantifying cholesterol in high density lipoprotein and reagent compositions

#74 | 2007-09-06 ✅ Patent 7,811,779 granted on 2010-10-12
US20070207515A1
Chemistry; metallurgy

Method of multiquantification for cholesterol of low-density lipoprotein

#75 | 2007-08-30 ✅ Patent 7,579,195 granted on 2009-08-25
US20070202611A1
Physics

Simple membrane assay method and kit

#76 | 2006-09-28 ✅ Patent 7,955,792 granted on 2011-06-07
US20060216695A1
Physics

Diluent for norovirus or sapovirus specimen and method for detecting virus

#77 | 2006-08-10 ✅ Patent 7,575,753 granted on 2009-08-18
US20060177820A1
Chemistry; metallurgy

SRSV detection kit

#78 | 2006-07-13 ✅ Patent 7,544,515 granted on 2009-06-09
US20060154374A1
Physics

Method of quantifying small-sized low density lipoprotein

#79 | 2006-06-27 ✅ Patent 7,067,638 granted on 2006-06-27
US9926799
-

Small round structured virus (SRSV) detection kit

#80 | 2006-04-13 ✅ Patent 7,507,551 granted on 2009-03-24
US20060078958A1
Physics

Multiple quantification method for cholesterol in low-density lipoproteins

#81 | 2005-05-17 ✅ Patent 6,893,832 granted on 2005-05-17
US10190793
-

Method for quantifying cholesterol in high density lipoprotein

#82 | 2005-05-05 ✅ Patent 7,348,158 granted on 2008-03-25
US20050095658A1
Chemistry; metallurgy

Method of quantifying cholesterol in high density lipoprotein and reagent compositions

Also check out DENKA SEIKEN CO., LTD.'s (Tokyo, Japan) applicant profile with 11 patent applications submitted.

AssigneeID:

27159 ⎘