Patents by Inventor Yo Yagura

Yo Yagura has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Assay method using magnetic silica particles and reagent for said assay method
    Patent number: 9157911
    Abstract: In the method of assaying an analyte in a sample of the present invention, magnetic silica particles are used. The magnetic silica particles include: silica particles containing 60 to 95% by weight of a superparamagnetic metal oxide that has an average particle size of 1 to 15 nm; and the analyte, an analog of the analyte, or a substance capable of specifically binding to the analyte immobilized on the surface of the silica particles.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: October 13, 2015
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Yusuke Mizuno, Masamitsu Miyamori, Shinjiro Matsuda, Yo Yagura
  • ASSAY METHOD USING MAGNETIC SILICA PARTICLES AND REAGENT FOR SAID ASSAY METHOD
    Publication number: 20140154713
    Abstract: In the method of assaying an analyte in a sample of the present invention, magnetic silica particles are used. The magnetic silica particles include: silica particles containing 60 to 95% by weight of a superparamagnetic metal oxide that has an average particle size of 1 to 15 nm; and the analyte, an analog of the analyte, or a substance capable of specifically binding to the analyte immobilized on the surface of the silica particles.
    Type: Application
    Filed: May 31, 2012
    Publication date: June 5, 2014
    Inventors: Yusuke Mizuno, Masamitsu Miyamori, Shinjiro Matsuda, Yo Yagura
  • Polymer and method of measuring cholesterol therewith
    Patent number: 8158375
    Abstract: It is an object of the present invention to provide the method for determining cholesterol in lipoprotein and reagent for determining cholesterol comprising the polymer, and the present invention relates to the reagent for determining cholesterol in lipoproteins such as high-density lipoprotein (HDL), low-density lipoprotein (LDL) and very low-density lipoprotein (VLDL) and the determination method using the polymer comprising the following units as constituents: (iv) a polyethylene glycol segment represented by the general formula [1]: —(CH2CH2O)k—??[1] (wherein, k represents an integer of 10 to 250); (v) a monomer unit represented by the general formula [2]: (wherein R1 represents a hydrogen atom or C1-C3 alkyl group); and (vi) a monomer unit represented by the general formula [3]: [wherein, R2 represents a hydrogen atom or C1-C3 alkyl group, and R3 represents a group represented by the general formula [4]: —COOR4??[4] (wherein, R4 represents an alkyl group, a haloalkyl group or a bornyl gro
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: April 17, 2012
    Assignee: Wako Pure Chemical Industries, Ltd.
    Inventors: Tomokazu Itai, Kiyoko Mori, Yo Yagura, Isao Koyama, Naoyuki Yamamoto
  • Novel Polymer and Method of Measuring Cholesterol Therewith
    Publication number: 20090215097
    Abstract: It is an object of the present invention to provide the method for determining cholesterol in lipoprotein and reagent for determining cholesterol comprising the polymer, and the present invention relates to the reagent for determining cholesterol in lipoproteins such as high-density lipoprotein (HDL), low-density lipoprotein (LDL) and very low-density lipoprotein (VLDL) and the determination method using the polymer comprising the following units as constituents: (iv) a polyethylene glycol segment represented by the general formula [1]: —(CH2CH2O)k—??[1] (wherein, k represents an integer of 10 to 250); (v) a monomer unit represented by the general formula [2]: (wherein R1 represents a hydrogen atom or C1-C3 alkyl group); and (vi) a monomer unit represented by the general formula [3]: [wherein, R2 represents a hydrogen atom or C1-C3 alkyl group, and R3 represents a group represented by the general formula [4]: —COOR4??[4] (wherein, R4 represents an alkyl group, a haloalkyl group or a bornyl g
    Type: Application
    Filed: March 14, 2006
    Publication date: August 27, 2009
    Applicant: WAKO PURE CHEMICAL INDUSTRIES, LTD.
    Inventors: Tomokazu Itai, Kiyoko Mori, Yo Yagura, Isao Koyama, Naoyuki Yamamoto