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name:-0.089096069335938
name:-0.070338010787964
name:-0.024351835250854
DENKA SEIKEN CO., LTD. Patent Filings

DENKA SEIKEN CO., LTD.

Patent Applications and Registrations

Patent applications and USPTO patent grants for DENKA SEIKEN CO., LTD..The latest application filed is for "immunochromatographic device for extracting and measuring sugar chain antigen".

Company Profile
30.76.103
  • DENKA SEIKEN CO., LTD. - Tokyo N/A JP
  • DENKA SEIKEN CO., LTD. - Chuo-ku, Tokyo JP
  • DENKA SEIKEN CO., LTD - Chuo-ku, Tokyo JP
  • Denka Seiken Co., Ltd - Tokyo JP
  • Denka Seiken Co., Ltd. - Chuo-ku JP
  • Denka Seiken Co., Ltd. - N/A
  • DENKA SEIKEN CO., LTD. -
  • Denka Seiken Co., Ltd. - JP JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Method for agglutinating erythrocytes, method for separating erythrocytes, and hemagglutination reagent
Grant 11,320,350 - Muramatsu , et al. May 3, 2
2022-05-03
Immunochromatographic Device For Extracting And Measuring Sugar Chain Antigen
App 20210325384 - KATO; Daisuke ;   et al.
2021-10-21
Method for quantifying cholesterol in high-density lipoprotein 2, and reagent kit for the method
Grant 10,955,426 - Higuchi , et al. March 23, 2
2021-03-23
Immunochromatographic test piece and immunochromatography method using same
Grant 10,883,985 - Kohiyama , et al. January 5, 2
2021-01-05
Method for estimating number of podocytes in urine
Grant 10,809,265 - Hara , et al. October 20, 2
2020-10-20
Method And Reagent For Quantifying Cholesterol In Triglyceride-rich Lipoprotein
App 20200318155 - SATOH; Noriyuki ;   et al.
2020-10-08
Biomarker For Detecting Colorectal Cancer
App 20200124604A1 -
2020-04-23
Immunochromatographic Test Piece For Extracting And Measuring Sugar Chain Antigen, Which Is Capable Of Preventing Non-specific R
App 20200049703 - KATO; Daisuke ;   et al.
2020-02-13
Immunochromatographic Test Piece For Extracting And Measuring Sugar Chain Antigen, Which Is Capable Of Controlling Development O
App 20200038854 - KATO; Daisuke ;   et al.
2020-02-06
Sample processing method for influenza virus immunoassay, and immunoassay method
Grant 10,527,618 - Shinohara , et al. J
2020-01-07
Preparation Of Visible Colored Insoluble Carrier Particles Labeled With A Fluorescent Dye And An Immunoassay Method Using The Sa
App 20190361029 - Miyazawa; Takashi
2019-11-28
Method for microbial antigen collection
Grant 10,436,783 - Saito , et al. O
2019-10-08
Sample extraction kit and sample extraction method
Grant 10,422,728 - Suzaki , et al. Sept
2019-09-24
Method of reducing measurement error caused by catalase inhibition by azide
Grant 10,415,077 - Hirao Sept
2019-09-17
Method Of Amplifying Detection Light Using Light-reflecting Material In Immunochromatography
App 20190277838 - Kohiyama; Risa ;   et al.
2019-09-12
Method for measuring hemagglutinin from influenza virus
Grant 10,365,277 - Mitsumata , et al. July 30, 2
2019-07-30
Method For Agglutinating Erythrocytes, Method For Separating Erythrocytes, And Hemagglutination Reagent
App 20190226952 - MURAMATSU; Shino ;   et al.
2019-07-25
Method of amplifying detection light using light-reflecting material in immunochromatography
Grant 10,345,294 - Kohiyama , et al. July 9, 2
2019-07-09
Method For Quantifying The Amount Of Cholesterol In High-density Lipoprotein 3
App 20190154711 - HIGUCHI; Maiko ;   et al.
2019-05-23
Test kit
Grant 10,295,533 - Miyazawa , et al.
2019-05-21
Immunochromatographic Test Piece And Specimen Adding Device For Extracting And Measuring Sugar Chain Antigen, And Immunochromato
App 20190145864 - Kato; Daisuke ;   et al.
2019-05-16
Method For Forming Sample Addition Part Of Immunochromatographic Test Device And Immunochromatographic Test Device
App 20190101532 - SHINOHARA; Yuki ;   et al.
2019-04-04
Method For Quantifying Cholesterol In High-density Lipoprotein 2, And Reagent Kit For The Method
App 20180306823 - HIGUCHI; Maiko ;   et al.
2018-10-25
Method for removal of triglycerides in lipoproteins other than low-density lipoproteins
Grant 10,077,286 - Ohta September 18, 2
2018-09-18
Method for quantifying cholesterol in high-density lipoprotein 2, and reagent kit for the method
Grant 10,031,145 - Higuchi , et al. July 24, 2
2018-07-24
Method for quantifying cholesterol in high density lipoprotein 3
Grant 10,018,641 - Sato , et al. July 10, 2
2018-07-10
Immunochromatographic Test Piece And Immunochromatography Method Using Same
App 20180172682 - KOHIYAMA; Risa ;   et al.
2018-06-21
Test Object Detection Method, And Immunoassay Instrument And Monoclonal Antibody For Same
App 20180164316 - KOHIYAMA; Risa ;   et al.
2018-06-14
Method For Microbial Antigen Collection
App 20180143195 - SAITO; Yuji ;   et al.
2018-05-24
Method For Estimating Number Of Podocytes In Urine
App 20180120324 - Hara; Masanori ;   et al.
2018-05-03
Immunological analysis method and reagent
Grant 9,939,436 - Kano , et al. April 10, 2
2018-04-10
Immunochromatographic Device Reduced In Background Noise And Method For Reduced Background Noise
App 20180095088 - Ishikawa; Osamu ;   et al.
2018-04-05
Test kit
Grant 9,897,601 - Miyazawa , et al. February 20, 2
2018-02-20
Method for quantifying subfraction of cholesterol (-C) in high-density lipoprotein (HDL)
Grant 9,890,412 - Itoh , et al. February 13, 2
2018-02-13
Sample Extraction Kit And Sample Extraction Method
App 20170315028 - SUZAKI; Masashi ;   et al.
2017-11-02
Test Method On Renal Diseases
App 20170146553 - HARA; Masanori ;   et al.
2017-05-25
Method For Test On Diabetic Nephropathy
App 20170146554 - HARA; Masanori ;   et al.
2017-05-25
Method For Increasing The Sensitivity Of Immunoassay System Through Pretreatment Of Urine With Denaturant
App 20170108490 - Kurosawa; Hiroyuki ;   et al.
2017-04-20
Method for estimating GFR (glomerular filtration rate) from measured value of megalin in urine
Grant 9,625,452 - Yamagata , et al. April 18, 2
2017-04-18
Method for increasing the sensitivity of immunoassay system through pretreatment of urine with denaturant
Grant 9,568,470 - Kurosawa , et al. February 14, 2
2017-02-14
Method For Measuring Type A Influenza Virus
App 20160223542 - INANO; Koichi ;   et al.
2016-08-04
Method For Measuring Influenza B Virus
App 20160223541 - INANO; Koichi ;   et al.
2016-08-04
Sample Processing Method For Influenza Virus Immunoassay, And Immunoassay Method
App 20160223540 - SHINOHARA; Yuki ;   et al.
2016-08-04
Method Of Amplifying Detection Light Using Light-reflecting Material In Immunochromatography
App 20160187329 - Kohiyama; Risa ;   et al.
2016-06-30
Method And Reagent For Quantifying Cholesterol In High Density Lipoprotein 3
App 20160161512 - SATO; Norijuki ;   et al.
2016-06-09
Preparation Of Visible Colored Insoluble Carrier Particles Labeled With A Fluorescent Dye And An Immunoassay Method Using The Same
App 20160116481 - Miyazawa; Takashi
2016-04-28
Test Kit
App 20160041161 - Miyazawa; Takashi ;   et al.
2016-02-11
Test Kit
App 20160033501 - Miyazawa; Takashi ;   et al.
2016-02-04
Test reagent, and method for measuring analyte in test sample using same
Grant 9,250,235 - Iizuka , et al. February 2, 2
2016-02-02
Anti-human norovirus GII antibody
Grant 9,244,072 - Miki January 26, 2
2016-01-26
Method For Detecting Podocytes In Urine
App 20160003820 - HARA; Masanori ;   et al.
2016-01-07
A Method For Estimating Gfr (glomerular Filtration Rate) From Measured Value Of Megalin In Urine
App 20160003810 - YAMAGATA; Kunihiro ;   et al.
2016-01-07
Method For Suppressing False Negative In Immunoassay For Derived From Biological Mucous Membrane
App 20150369799 - Miyazawa; Takashi ;   et al.
2015-12-24
Method For Increasing The Sensitivity Of Immunoassay System Through Pretreatment Of Urine With Denaturant
App 20150285791 - Kurosawa; Hiroyuki ;   et al.
2015-10-08
Method for quantifying the amount of cholesterol in high-density lipoprotein 3
Grant 9,151,768 - Higuchi , et al. October 6, 2
2015-10-06
Method for assaying cholesterol in ApoE-containing HDL
Grant 9,145,578 - Itoh , et al. September 29, 2
2015-09-29
Method For Measuring Hemagglutinin From Influenza Virus
App 20150233922 - Mitsumata; Ryotaro ;   et al.
2015-08-20
Immunoassay method and reagent therefor
Grant 9,075,049 - Kano July 7, 2
2015-07-07
Cystatin C adsorption inhibitor
Grant 9,046,517 - Minakawa June 2, 2
2015-06-02
Method For Removal Of Triglycerides In Lipoproteins Other Than Low-density Lipoproteins
App 20150132834 - Ohta; Motoko
2015-05-14
Immunological Analysis Method And Reagent
App 20150086975 - Kano; Mayumi ;   et al.
2015-03-26
Method For Quantifying Subfraction Of Cholesterol (-c) In High-density Lipoprotein (hdl)
App 20150079616 - Itoh; Yasuki ;   et al.
2015-03-19
Method For Quantifying Cholesterol In High Density Lipoprotein 3
App 20150044774 - Sato; Noriyuki ;   et al.
2015-02-12
Method For Reducing Adsorption Of Bubbles
App 20150031052 - Kano; Mayumi ;   et al.
2015-01-29
Antibody-immobilized Carrier, Method Of Producing Antibody-immobilized Carrier, And Use Of Said Antibody-immobilized Carrier
App 20150018534 - Kumada; Yoichi ;   et al.
2015-01-15
Method for quantifying the amount of cholesterol in high-density lipoprotein 3
Grant 8,932,865 - Higuchi , et al. January 13, 2
2015-01-13
Method for quantification of remnant-like lipoprotein cholesterol and kit for same
Grant 8,906,638 - Hirao December 9, 2
2014-12-09
Anti-human Norovirus Gii Antibody
App 20140349277 - Miki; Motohiro
2014-11-27
Antibody-immobilized carrier, method of producing antibody-immobilized carrier, and use of said antibody-immobilized carrier
Grant 8,883,985 - Kumada , et al. November 11, 2
2014-11-11
Method and kit for quantitatively determining small, dense LDL cholesterol
Grant 8,865,423 - Itoh , et al. October 21, 2
2014-10-21
Method of quantifying cholesterol in high density lipoprotein and reagent compositions
Grant 8,765,394 - Matsui , et al. July 1, 2
2014-07-01
Method for producing purified influenza virus antigen
Grant 8,709,780 - Takahashi , et al. April 29, 2
2014-04-29
Method for measuring human megalin
Grant 8,703,430 - Ogasawara , et al. April 22, 2
2014-04-22
Method and kit for quantitative determination for small, dense particle low density lipoproteins
Grant 8,697,378 - Itoh April 15, 2
2014-04-15
Method for examining acute renal disorder
Grant 8,673,577 - Hara , et al. March 18, 2
2014-03-18
Method for detecting renal disease comprising measuring human megalin in urine
Grant 8,663,931 - Saito , et al. March 4, 2
2014-03-04
Method For Quantifying Cholesterol In High-density Lipoprotein 2, And Reagent Kit For The Method
App 20140045201 - Higuchi; Maiko ;   et al.
2014-02-13
Use of megalin in urine as marker for detecting renal disorder
Grant 8,628,930 - Saito , et al. January 14, 2
2014-01-14
Method Of Assaying Antigen And Reagent Therefor
App 20130302907 - MOTODA; Shosaku ;   et al.
2013-11-14
Method For Quantification Of Remnant-like Lipoprotein Cholesterol And Kit For Same
App 20130230873 - Hirao; Yuhko
2013-09-05
Measurement value lowering inhibitor for immunoassay method and immunoassay method using the same
Grant 8,524,452 - Minakawa , et al. September 3, 2
2013-09-03
Method For Quantifying The Amount Of Cholesterol In High-density Lipoprotein 3
App 20130171674 - Higuchi; Maiko ;   et al.
2013-07-04
Method For Quantifying The Amount Of Cholesterol In High-density Lipoprotein 3
App 20130164769 - Higuchi; Maiko ;   et al.
2013-06-27
Method For Quantifying The Amount Of Cholesterol In High-density Lipoprotein 3
App 20130157374 - Higuchi; Maiko ;   et al.
2013-06-20
Method and kit for quantitatively determining small, dense LDL cholesterol
Grant 8,440,419 - Itoh , et al. May 14, 2
2013-05-14
Immunochromatography detection of multidrug-resistant Staphylococcus and diagnostic kit
Grant 8,431,351 - Ito April 30, 2
2013-04-30
Simple membrane assay method and kit
Grant 8,404,479 - Shimizu , et al. March 26, 2
2013-03-26
SRSV detection kit
Grant 8,357,792 - Takeda , et al. January 22, 2
2013-01-22
Method For Examining Acute Renal Disorder
App 20120322087 - Hara; Masanori ;   et al.
2012-12-20
Method of producing virus
Grant 8,221,969 - Kai , et al. July 17, 2
2012-07-17
Toxin detection method
Grant 8,217,150 - Ohishi , et al. July 10, 2
2012-07-10
Srsv Detection Kit
App 20120142054 - TAKEDA; Naokazu ;   et al.
2012-06-07
Multiple quantification of cholesterol in low density lipoprotein
Grant 8,178,311 - Matsui May 15, 2
2012-05-15
Test Reagent, And Method For Measuring Analyte In Test Sample Using Same
App 20120107957 - Iizuka; Masayuki ;   et al.
2012-05-03
Device For A Membrane Assay
App 20120077261 - HIROSE; Takanori ;   et al.
2012-03-29
Immunochromatography Detection Of Multidrug-resistant Staphylococcus And Diagnostic Kit
App 20120064538 - ITO; Hiromi
2012-03-15
Urine pretreatment agent for urinary protein quantitation, urine pretreatment method, and urinary protein quantitation method
Grant 8,105,840 - Hara , et al. January 31, 2
2012-01-31
Method for detection of familial combined hyperlipidemia
Grant 8,088,625 - Itoh January 3, 2
2012-01-03
SRSV detection kit
Grant 8,067,560 - Takeda , et al. November 29, 2
2011-11-29
Reagent for quantitative determination of small, dense LDLs
Grant 8,030,081 - Itoh October 4, 2
2011-10-04
Chromatography detection apparatus, detection method, and kit utilizing the same
Grant 7,972,872 - Shida , et al. July 5, 2
2011-07-05
Test Device For Membrane Assay Comprising Reference Display Section
App 20110143458 - Maegawa; Tsuneo
2011-06-16
Diluent for norovirus or sapovirus specimen and method for detecting virus
Grant 7,955,792 - Kamata , et al. June 7, 2
2011-06-07
Method for measuring human megalin
Grant 7,955,809 - Ogasawara , et al. June 7, 2
2011-06-07
Method of Assaying Antigen and Reagent Therefor
App 20110081731 - MOTODA; Shosaku ;   et al.
2011-04-07
Method of multiquantification for cholesterol of low-density lipoprotein
Grant 7,811,779 - Matsumoto , et al. October 12, 2
2010-10-12
Method of quantitatively measuring small particle low density lipoproteins
Grant 7,811,826 - Itoh , et al. October 12, 2
2010-10-12
Method And Kit For Quantitatively Determining Small, Dense Ldl Cholesterol
App 20100255516 - Itoh; Yasuki ;   et al.
2010-10-07
Immunochromatography Detection Of Multidrug-resistant Staphylococcus And Diagnostic Kit
App 20100221747 - Ito; Hiromi
2010-09-02
Method of Assaying Antigen and Reagent Therefor
App 20100216257 - MOTODA; Shosaku ;   et al.
2010-08-26
Convenient detection method, detection apparatus and detection kit
Grant 7,718,444 - Takizawa , et al. May 18, 2
2010-05-18
REAGENT FOR QUANTITATIVE DETERMINATION OF SMALL, DENSE LDLs
App 20100035288 - Itoh; Yasuki
2010-02-11
Method For Detection Of Familial Combined Hyperlipidemia
App 20090317846 - Itoh; Yasuki
2009-12-24
Simple membrane assay method and kit
App 20090286226 - Shimizu; Hideharu ;   et al.
2009-11-19
Method And Kit For Quantitative Determination For Small, Dense Particle Low Density Lipoproteins
App 20090263844 - Itoh; Yasuki
2009-10-22
Simple membrane assay method and kit
Grant 7,579,195 - Shimizu , et al. August 25, 2
2009-08-25
SRSV detection kit
Grant 7,575,753 - Takeda , et al. August 18, 2
2009-08-18
Multiple Quantification Of Cholesterol In Low Density Lipoprotein
App 20090197288 - MATSUI; Hiroshi
2009-08-06
Simultaneous And Differential Quantification Of Two Target Analytes In Biological Sample
App 20090181413 - Itoh; Yasuki ;   et al.
2009-07-16
Method Of Quantitatively Measuring Small Particle Low Density Lipoproteins
App 20090148959 - Itoh; Yasuki ;   et al.
2009-06-11
Method of quantifying small-sized low density lipoprotein
Grant 7,544,515 - Itoh , et al. June 9, 2
2009-06-09
Multiple quantification method for cholesterol in low-density lipoproteins
Grant 7,507,551 - Matsui March 24, 2
2009-03-24
Method of Producing Virus
App 20080233148 - Kai; Hikaru ;   et al.
2008-09-25
Chromatography Detection Apparatus, Detection Method, and Kit Utilizing the Same
App 20080194013 - Shida; Ryo ;   et al.
2008-08-14
Convenient Detection Method, Detection Apparatus And Detection Kit
App 20080193953 - Takizawa; Kazuyuki ;   et al.
2008-08-14
Method of Quantifying Cholesterol in High Density Lipoprotein and Reagent Compositions
App 20080124748 - MATSUI; Hiroshi ;   et al.
2008-05-29
Method of quantifying cholesterol in high density lipoprotein and reagent compositions
Grant 7,348,158 - Matsui , et al. March 25, 2
2008-03-25
Method Of Multiquantification For Cholesterol Of Low-Density Lipoprotein
App 20070207515 - Matsumoto; Keiko ;   et al.
2007-09-06
Simple membrane assay method and kit
App 20070202611 - Shimizu; Hideharu ;   et al.
2007-08-30
Diluent for norovirus or sapovirus specimen and method for detecting virus
App 20060216695 - Kamata; Kunio ;   et al.
2006-09-28
Small round structured virus (SRSV) detection kit
Grant 7,067,638 - Takeda , et al. June 27, 2
2006-06-27
Method for quantifying cholesterol in high density lipoprotein
Grant 6,893,832 - Matsui , et al. May 17, 2
2005-05-17
Method of quantifying cholesterol in high density lipoprotein and reagent compositions
App 20050095658 - Matsui, Hiroshi ;   et al.
2005-05-05
Method for quantifying cholesterol in high density lipoprotein
App 20020192732 - Matsui, Hiroshi ;   et al.
2002-12-19
Method for quantitating cholesterol present in low density lipoproteins
Grant 6,194,164 - Matsui , et al. February 27, 2
2001-02-27
Company Registrations

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