Patents by Inventor Masato Mitsuhashi

Masato Mitsuhashi 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).

  • Patent number: 10266895
    Abstract: The present disclosure relates to methods of collecting intestinal luminal fluid (ILF) exosomes and microvesicles (EMV) and isolating corresponding mRNA in order to diagnose and treat inflammatory bowel diseases (IBD). In particular, certain embodiments relate to the method of capturing EMV from ILF applied to a filter device that is capable of capturing EMV. Nucleic acids such as mRNA can be isolated from the EMV using an oligo(dT)-coated plate designed to accommodate the filter device and then used for further molecular analysis. Quantification of the collected nucleic acids may then be used in the diagnosis and/or treatment of IBD.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: April 23, 2019
    Assignees: Hitachi Chemical Company Ltd., Hitachi Chemical Co. America, Ltd., Beth Israel Deaconess Medical Center
    Inventors: Masato Mitsuhashi, Alan C. Moss
  • Publication number: 20180340945
    Abstract: The present invention relates to methods, compositions, and kits for detecting and quantitating biomarkers on vesicles without lysis or permeabilization of the vesicles and the use of biomarkers identified on vesicles in diagnostic and prognostic methods for various diseases and disorders. Disease and disorders of the present invention include neurological disorders, immunological disorders, placental diseases, and cancer.
    Type: Application
    Filed: May 24, 2018
    Publication date: November 29, 2018
    Inventor: Masato Mitsuhashi
  • Publication number: 20180327852
    Abstract: The present disclosure relates to methods of collecting exosomes and microvesicles (EMV) from urine, isolating corresponding mRNA, and analyzing expression patterns in order to diagnose and treat various urothelial cancers. In particular, various expression patterns are analyzed through a unique diagnostic formula.
    Type: Application
    Filed: August 30, 2016
    Publication date: November 15, 2018
    Inventors: Taku Murakami, Cindy M. Yamamoto, Masato Mitsuhashi, Hiroshi Harada
  • Publication number: 20180265914
    Abstract: The present disclosure relates to methods of collecting exosomes and microvesicles (EMV) from urine, isolating corresponding mRNA, and analyzing expression patterns in order to diagnose and treat various post-kidney transplant complications. In particular, annexin1 mRNA expression patterns are analyzed through a unique diagnostic formula.
    Type: Application
    Filed: August 30, 2016
    Publication date: September 20, 2018
    Inventors: Taku Murakami, Cindy M. Yamamoto, Masato Mitsuhashi, Hiroshi Harada
  • Patent number: 9962967
    Abstract: A recording device includes a conveyance mechanism, a recording mechanism, a rotational mechanism of a plurality of take-up spindles, and a control unit. The conveyance mechanism is configured to convey a recording medium intermittently in a conveyance direction. The recording mechanism is configured to record by reciprocatingly scanning a recording head in a direction that intersects with the conveyance direction. The rotational mechanism is configured to take up the recording medium. The control unit is configured to control the conveyance mechanism and the rotational mechanism to substantially synchronize conveying of the recording medium by the conveyance mechanism and taking-up of the recording medium by the rotational mechanism.
    Type: Grant
    Filed: May 31, 2016
    Date of Patent: May 8, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Hidemasa Kanada, Masato Mitsuhashi, Koji Higuchi, Toshimitsu Hirai, Mitsuhiro Isobe
  • Publication number: 20180030537
    Abstract: p53-upregulated modulator of apoptosis (PUMA) is a biomarker associated with islet cell health. If PUMA is low, islet cells are typically healthy. If PUMA is high, islet cells are typically unhealthy or dying. PUMA may be measured by either measuring its nucleic or amino acid. PUMA mRNA may be induced by TNF-? stimulation in a time- and dose-dependent manner and ? cell apoptosis is induced through a mitochondrial pathway. TNF-? significantly inhibited glucose-induced preproinsulin precursor mRNA synthesis. Such ? cell stress signaling in human islets indicates overall state of islet health and, ultimately, the risk of onset and/or degree of severity of both type 1 and type 2 diabetes mellitus.
    Type: Application
    Filed: August 7, 2017
    Publication date: February 1, 2018
    Inventors: Yoko MULLEN, Masato MITSUHASHI, Keiko OMORI
  • Publication number: 20170335397
    Abstract: The present disclosure relates to methods of collecting exosomes and microvesicles (EMV) from urine and isolating corresponding mRNA in order to diagnose and treat acute kidney injury (AKI). In particular, certain embodiments relate to the method of capturing EMV from urine applied to a filter device that is capable of capturing EMV. Nucleic acids such as mRNA can be isolated from the EMV using an oligo(dT)-coated plate designed to accommodate the filter device and then used for further molecular analysis. Quantification of the collected nucleic acids may then be used in the diagnosis and/or treatment of IBD.
    Type: Application
    Filed: November 12, 2015
    Publication date: November 23, 2017
    Inventors: Satish P. RamachandraRao, Ravindra Lall Mehta, Masato Mitsuhashi, Taku Murakami
  • Patent number: 9790542
    Abstract: Some embodiments provide for a device that collects vesicles and vesicle-like materials from biological fluids. Such devices include at least one sample loading region; at least one corresponding vesicle-capture material, wherein said vesicle-capture material includes glass-like materials; and at least one corresponding sample receiving region, wherein passage of the biological fluid from the sample loading region through the vesicle-capture material and into the sample receiving region results in the capture of vesicles. Additional embodiments provide for a method of isolating vesicles and vesicle-like materials from biological fluids.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: October 17, 2017
    Assignees: HITACHI CHEMICAL CO., LTD., HITACHI CHEMICAL COMPANY AMERICA, LTD.
    Inventor: Masato Mitsuhashi
  • Publication number: 20170283789
    Abstract: The present disclosure relates to methods of collecting cervical-vaginal fluid exosomes and microvesicles and isolating corresponding mRNA. In particular, certain embodiments relate to the method of collecting the cervical-vaginal fluids with a tampon and releasing the cells, exosomes and microvesicles using excess buffer and a syringe or syringe-like device. The resulting expunged fluid can be applied to a filter device that is capable of capturing exosomes and microvesicles. Nucleic acids such as mRNA can be isolated from the cervical-vaginal fluid exosome and microvesicles using an oligo(dT)-coated plate designed to accommodate the filter device and then used for further molecular analysis. Quantification of the collected nucleic acids may then be used in the diagnosis and/or treatment of gynecological diseases or conditions.
    Type: Application
    Filed: August 27, 2015
    Publication date: October 5, 2017
    Inventors: Cindy M. Yamamoto, Vivian Tovar, Taku Murakami, Mieko Ogura, Melanie Oakes, Masato Mitsuhashi
  • Patent number: 9758826
    Abstract: p53-upregulated modulator of apoptosis (PUMA) is a biomarker associated with islet cell health. If PUMA is low, islet cells are typically healthy. If PUMA is high, islet cells are typically unhealthy or dying. PUMA may be measured by either measuring its nucleic or amino acid. PUMA mRNA may be induced by TNF-? stimulation in a time- and dose-dependent manner and ? cell apoptosis is induced through a mitochondrial pathway. TNF-? significantly inhibited glucose-induced preproinsulin precursor mRNA synthesis. Such ? cell stress signaling in human islets indicates overall state of islet health and, ultimately, the risk of onset and/or degree of severity of both type 1 and type 2 diabetes mellitus.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: September 12, 2017
    Assignees: City of Hope, Hitachi Chemical Research Center, Inc., Hitachi Chemical Co., Ltd.
    Inventors: Yoko Mullen, Masato Mitsuhashi, Keiko Omori
  • Publication number: 20170247744
    Abstract: Provided herein are devices and methods for the capture or isolation of a biomarker from a biological sample. In several embodiments, the device comprises a loading region, a filter material, and a receiving region. In particular, in several embodiments, biological fluid is passed from the loading region through the filter material and into the receiving region, thereby resulting in capture or isolation of a biomarker.
    Type: Application
    Filed: March 10, 2017
    Publication date: August 31, 2017
    Inventors: Masato Mitsuhashi, Taku Murakami
  • Patent number: 9719129
    Abstract: Provided is a device that collects vesicles and vesicle-like materials from biological fluids. Such devices comprise at least one sample loading region; at least one corresponding vesicle-capture material, wherein said vesicle-capture material comprises glass-like materials; and at least one corresponding sample receiving region, wherein passage of the biological fluid from the sample loading region through the vesicle capture material and into the sample receiving region results in the capture of vesicles. Additional methods provide for a method of isolating vesicles and vesicle-like materials from biological fluids are also provided.
    Type: Grant
    Filed: June 10, 2011
    Date of Patent: August 1, 2017
    Assignees: HITACHI CHEMICAL CO., LTD., HITACHI CHEMICAL COMPANY AMERICA, LTD.
    Inventor: Masato Mitsuhashi
  • Publication number: 20170184575
    Abstract: Methods of screening for expression of an RNA associated with a post-kidney transplant complication include collecting vesicles from urine, isolating vesicle-associated RNA, and analyzing expression patterns. In particular, AIF1, BTN3A3, CCL5, CD48, HAVCR1, or SLC6A6 mRNA expression patterns are analyzed.
    Type: Application
    Filed: March 8, 2017
    Publication date: June 29, 2017
    Inventors: Taku Murakami, Cindy Yamamoto, Masato Mitsuhashi, Hiroshi Harada
  • Patent number: 9662649
    Abstract: Provided herein are devices and methods for the capture or isolation of a biomarker from a biological sample. In several embodiments, the device comprises a loading region, a filter material, and a receiving region. In particular, in several embodiments, biological fluid is passed from the loading region through the filter material and into the receiving region, thereby resulting in capture or isolation of a biomarker.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: May 30, 2017
    Assignees: HITACHI CHEMICAL COMPANY AMERICA, LTD., HITACHI CHEMICAL COMPANY LTD.
    Inventors: Masato Mitsuhashi, Mieko Ogura
  • Patent number: 9597682
    Abstract: Provided herein are devices and methods for the capture or isolation of a biomarker from a biological sample. In several embodiments, the device comprises a loading region, a filter material, and a receiving region. In particular, in several embodiments, biological fluid is passed from the loading region through the filter material and into the receiving region, thereby resulting in capture or isolation of a biomarker.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: March 21, 2017
    Assignees: HITACHI CHEMICAL COMPANY AMERICA, LTD., HITACHI CHEMICAL COMPANY LTD.
    Inventors: Masato Mitsuhashi, Mieko Ogura
  • Patent number: 9458496
    Abstract: Embodiments of the invention relate generally to methods of diagnosing diseases and measuring homeostatic states. In particular, the methods described here are used to characterize RNA from vesicles for expression of disease related markers. Embodiments of the invention also relate generally to the characterization of RNA by using sensitive techniques such as PCR to internally sample organ health using whole blood.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: October 4, 2016
    Assignees: HITACHI CHEMICAL COMPANY, LTD., HITACHI CHEMICAL RESEARCH CENTER, INC.
    Inventor: Masato Mitsuhashi
  • Publication number: 20160271976
    Abstract: A recording device includes a conveyance mechanism, a recording mechanism, a rotational mechanism of a plurality of take-up spindles, and a control unit. The conveyance mechanism is configured to convey a recording medium intermittently in a conveyance direction. The recording mechanism is configured to record by reciprocatingly scanning a recording head in a direction that intersects with the conveyance direction. The rotational mechanism is configured to take up the recording medium. The control unit is configured to control the conveyance mechanism and the rotational mechanism to substantially synchronize conveying of the recording medium by the conveyance mechanism and taking-up of the recording medium by the rotational mechanism.
    Type: Application
    Filed: May 31, 2016
    Publication date: September 22, 2016
    Inventors: Hidemasa KANADA, Masato MITSUHASHI, Koji HIGUCHI, Toshimitsu HIRAI, Mitsuhiro ISOBE
  • Publication number: 20160237496
    Abstract: Methods and devices allow assessment of the status of a transplanted liver during the post-transplant period. The methods are particularly beneficial for identifying if a transplanted liver is subject to rejection, by what mechanisms, and thereby developing and implementing a specific treatment regime to reduce the rejection of the transplanted liver.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 18, 2016
    Inventors: Masato Mitsuhashi, Daiki YOSHII, Katsuhiro ASONUMA, Yukihiro INOMATA
  • Publication number: 20160222456
    Abstract: Embodiments of the invention relate generally to methods of identifying subjects likely to develop diabetes-associated damage to the nephron, or subjects in the early stages of diabetic nephropathy. In particular, several embodiments relate to quantification of diabetic nephropathy-associated markers by isolating RNA isolated from vesicles from patient urine samples. The levels of the marker in a subject can be compared to levels in a population having normal nephron function and/or used to to track progression of diabetic nephropathy in said subject over time.
    Type: Application
    Filed: April 21, 2016
    Publication date: August 4, 2016
    Inventors: Cindy YAMAMOTO, Melanie OAKES, Masato MITSUHASHI, Kumar SHARMA
  • Patent number: 9359162
    Abstract: A conveyance mechanism by which a recording medium can be conveyed intermittently; a recording mechanism for recording by reciprocatingly scanning a recording head in a direction that intersects with a direction of conveyance of the recording medium by the conveyance mechanism; a turret to which a plurality of take-up spindles for taking up the recording medium are provided; rotational mechanisms of the take-up spindles; a rotational mechanism of the turret; and a control unit for controlling the rotational mechanisms of the take-up spindles and the rotational mechanism of the turret so as to cause the take-up spindles and/or the turret to be rotated intermittently so as to correspond to the intermittent conveyance by the conveyance mechanism.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: June 7, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Hidemasa Kanada, Masato Mitsuhashi, Koji Higuchi, Toshimitsu Hirai, Mitsuhiro Isobe