Patents by Inventor Yoshihiro Hatanaka
Yoshihiro Hatanaka 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).
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Patent number: 11850345Abstract: Provided are beads for blood processing having porous beads and a polymer carried on the surface of the porous beads, wherein: the porous beads are configured from at least one resin selected from the group consisting of acrylic resins, styrene resins, and cellulose resins; and the polymer includes a specific monomer defined in the description as a monomer unit.Type: GrantFiled: February 5, 2021Date of Patent: December 26, 2023Assignee: ASAHI KASEI MEDICAL CO., LTD.Inventors: Yusuke Tokimizu, Satoru Inoue, Yoshihiro Hatanaka
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Patent number: 11850346Abstract: Provided are beads for blood processing having porous beads and a polymer carried on the surface of the porous beads, wherein: the porous beads are configured from at least one resin selected from the group consisting of acrylic resins, styrene resins, and cellulose resins; and the polymer includes a specific monomer defined in the description as a monomer unit.Type: GrantFiled: June 27, 2019Date of Patent: December 26, 2023Assignee: ASAHI KASEI MEDICAL CO., LTD.Inventors: Yusuke Tokimizu, Satoru Inoue, Yoshihiro Hatanaka
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Publication number: 20210205781Abstract: Provided are beads for blood processing having porous beads and a polymer carried on the surface of the porous beads, wherein: the porous beads are configured from at least one resin selected from the group consisting of acrylic resins, styrene resins, and cellulose resins; and the polymer includes a specific monomer defined in the description as a monomer unit.Type: ApplicationFiled: February 5, 2021Publication date: July 8, 2021Applicant: Asahi Kasei Medical Co., Ltd.Inventors: Yusuke TOKIMIZU, Satoru INOUE, Yoshihiro HATANAKA
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Publication number: 20210170362Abstract: Provided are beads for blood processing having porous beads and a polymer carried on the surface of the porous beads, wherein: the porous beads are configured from at least one resin selected from the group consisting of acrylic resins, styrene resins, and cellulose resins; and the polymer includes a specific monomer defined in the description as a monomer unit.Type: ApplicationFiled: June 27, 2019Publication date: June 10, 2021Applicant: Asahi Kasei Medical Co., Ltd.Inventors: Yusuke TOKIMIZU, Satoru INOUE, Yoshihiro HATANAKA
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Patent number: 10639405Abstract: Provided is an adsorbent for removing histones from a liquid derived from a living-organism, including a water-insoluble carrier and a biocompatible polymer. The carrier has activated carbon, a polyester, a polysulfone, or a cationic functional group. Also provided is a device for purifying a liquid derived from a living-organism to remove histones from a liquid derived from a living-organism, which has a housing equipped with an inlet and an outlet for the liquid derived from the living-organism and the above-described adsorbent housed in the housing. The liquid derived from the living-organism is moved through the housing of device for purifying the liquid derived from the living-organism to remove histones from the liquid derived from the living-organism.Type: GrantFiled: July 21, 2015Date of Patent: May 5, 2020Assignee: ASAHI KASEI MEDICAL CO., LTD.Inventors: Kentaro Kiriyama, Satoru Inoue, Yoshihiro Hatanaka
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Publication number: 20170173231Abstract: Provided is an adsorbent for removing histones from a liquid derived from a living-organism, including a water-insoluble carrier and a biocompatible polymer. The carrier has activated carbon, a polyester, a polysulfone, or a cationic functional group. Also provided is a device for purifying a liquid derived from a living-organism to remove histones from a liquid derived from a living-organism, which has a housing equipped with an inlet and an outlet for the liquid derived from the living-organism and the above-described adsorbent housed in the housing. The liquid derived from the living-organism is moved through the housing of device for purifying the liquid derived from the living-organism to remove histones from the liquid derived from the living-organism.Type: ApplicationFiled: July 21, 2015Publication date: June 22, 2017Applicant: ASAHI KASEI MEDICAL CO., LTD.Inventors: Kentaro KIRIYAMA, Satoru INOUE, Yoshihiro HATANAKA
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Patent number: 7948776Abstract: There is provided a zero-voltage switching high-frequency inverter capable of supplying a current of a large amplitude operation to a load, while suppressing a main switch current. The zero-voltage switching high-frequency inverter according to the present invention comprises: a first switch S1 and a second switch S2 that are connected in series between power sources Ed; a first capacitor C1, an impedance element R, and an inductor element L that are connected in series between a connecting path connecting the first switch S1 and the second switch S2 and one end of the power sources Ed; and a second capacitor C2 connected in parallel to the impedance element R and the inductor element L that are connected in series.Type: GrantFiled: June 25, 2010Date of Patent: May 24, 2011Assignee: National University Corporation Tokyo University of Marine Science and TechnologyInventor: Yoshihiro Hatanaka
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Patent number: 7944714Abstract: There is provided a zero-voltage switching high-frequency inverter capable of supplying a current of a large amplitude operation to a load, while suppressing a main switch current. The zero-voltage switching high-frequency inverter according to the present invention comprises: a first switch S1 and a second switch S2 that are connected in series between power sources Ed; a first capacitor C1, an impedance element R, and an inductor element L that are connected in series between a connecting path connecting the first switch S1 and the second switch S2 and one end of the power sources Ed; and a second capacitor C2 connected in parallel to the impedance element R and the inductor element L that are connected in series.Type: GrantFiled: June 25, 2010Date of Patent: May 17, 2011Assignee: National University Corporation Tokyo University of Marine Science and TechnologyInventor: Yoshihiro Hatanaka
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Patent number: 7905933Abstract: An exhaust gas cleaning apparatus and a filter regeneration apparatus that are capable of cleaning a large volume of exhaust gas without any increase in size of a nonmagnetic member around which a working coil for induction heating is wound. The exhaust gas cleaning apparatus includes a particulate collecting section and a filter regenerating section placed next to each other in the flow direction of an exhaust gas, and a movable frame. The movable frame holds an extension of a filter unit extending from a casing of the particulate collecting section beyond the support frame of the filter regenerating section, and can move the filter unit in the axial direction of the casing. When the filter unit moved by the movable frame passes through the filter regenerating section, a corresponding part of a holding frame disposed in the filter unit is continuously induction-heated to burn collected particulates, such that the filter unit can be regenerated.Type: GrantFiled: March 2, 2007Date of Patent: March 15, 2011Assignee: National University Corporation, Tokyo University of Marine Science and TechnologyInventor: Yoshihiro Hatanaka
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Patent number: 7826235Abstract: There is provided a zero-voltage switching high-frequency inverter capable of supplying a current of a large amplitude operation to a load, while suppressing a main switch current. The zero-voltage switching high-frequency inverter according to the present invention comprises: a first switch S1 and a second switch S2 that are connected in series between power sources Ed; a first capacitor C1, an impedance element R, and an inductor element L that are connected in series between a connecting path connecting the first switch S1 and the second switch S2 and one end of the power sources Ed; and a second capacitor C2 connected in parallel to the impedance element R and the inductor element L that are connected in series.Type: GrantFiled: February 15, 2005Date of Patent: November 2, 2010Assignee: National University Corporation Tokyo University of Marine Science and TechnologyInventor: Yoshihiro Hatanaka
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Publication number: 20100259958Abstract: There is provided a zero-voltage switching high-frequency inverter capable of supplying a current of a large amplitude operation to a load, while suppressing a main switch current. The zero-voltage switching high-frequency inverter according to the present invention comprises: a first switch S1 and a second switch S2 that are connected in series between power sources Ed; a first capacitor C1, an impedance element R, and an inductor element L that are connected in series between a connecting path connecting the first switch S1 and the second switch S2 and one end of the power sources Ed; and a second capacitor C2 connected in parallel to the impedance element R and the inductor element L that are connected in series.Type: ApplicationFiled: June 25, 2010Publication date: October 14, 2010Applicant: Nat. Uni. Corp. Tokyo Uni. of Marine Sci. and TechInventor: Yoshihiro HATANAKA
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Publication number: 20100259959Abstract: There is provided a zero-voltage switching high-frequency inverter capable of supplying a current of a large amplitude operation to a load, while suppressing a main switch current. The zero-voltage switching high-frequency inverter according to the present invention comprises: a first switch S1 and a second switch S2 that are connected in series between power sources Ed; a first capacitor C1, an impedance element R, and an inductor element L that are connected in series between a connecting path connecting the first switch S1 and the second switch S2 and one end of the power sources Ed; and a second capacitor C2 connected in parallel to the impedance element R and the inductor element L that are connected in series.Type: ApplicationFiled: June 25, 2010Publication date: October 14, 2010Applicant: Nat. Uni.Corp. Tokyo Uni. of Marine Sci. and Tech.Inventor: Yoshihiro HATANAKA
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Publication number: 20090084077Abstract: An exhaust gas cleaning apparatus and a filter regeneration apparatus that are capable of cleaning a large volume of exhaust gas without any increase in size of a nonmagnetic member around which a working coil for induction heating is wound. The exhaust gas cleaning apparatus includes a particulate collecting section and a filter regenerating section placed next to each other in the flow direction of an exhaust gas, and a movable frame. The movable frame holds an extension of a filter unit extending from a casing of the particulate collecting section beyond the support frame of the filter regenerating section, and can move the filter unit in the axial direction of the casing. When the filter unit moved by the movable frame passes through the filter regenerating section, a corresponding part of a holding frame disposed in the filter unit is continuously induction-heated to burn collected particulates, such that the filter unit can be regenerated.Type: ApplicationFiled: March 2, 2007Publication date: April 2, 2009Inventor: Yoshihiro Hatanaka
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Publication number: 20070268725Abstract: There is provided a zero-voltage switching high-frequency inverter capable of supplying a current of a large amplitude operation to a load, while suppressing a main switch current. The zero-voltage switching high-frequency inverter according to the present invention comprises: a first switch S1 and a second switch S2 that are connected in series between power sources Ed; a first capacitor C1, an impedance element R, and an inductor element L that are connected in series between a connecting path connecting the first switch S1 and the second switch S2 and one end of the power sources Ed; and a second capacitor C2 connected in parallel to the impedance element R and the inductor element L that are connected in series.Type: ApplicationFiled: February 15, 2005Publication date: November 22, 2007Applicant: Nat'l Univer Corp Tokyo Univ of Marine Sci & TechInventor: Yoshihiro Hatanaka
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Patent number: 7175681Abstract: The present invention provides a fine particle removing apparatus which can efficiently burn collected fine particles in exhaust gas, has a simple configuration and can be readily controlled. In this fine particle removing apparatus, a filter unit which collects fine particles in the exhaust gas is arranged in a housing formed of a non-magnetic material through which the exhaust gas passes. By supplying a high-frequency current to a working coil wound around an outer peripheral section of the housing, support plates arranged in this filter unit are subjected to induction heating, and fine particles accumulated in the filter unit are burned with heat generated by this induction heating.Type: GrantFiled: June 24, 2005Date of Patent: February 13, 2007Assignee: National University Corporation, Tokyo University of Marine Science and TechnologyInventor: Yoshihiro Hatanaka
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Publication number: 20050262817Abstract: The present invention provides a fine particle removing apparatus which can efficiently burn collected fine particles in exhaust gas, has a simple configuration and can be readily controlled. In this fine particle removing apparatus, a filter unit which collects fine particles in the exhaust gas is arranged in a housing formed of a non-magnetic material through which the exhaust gas passes. By supplying a high-frequency current to a working coil wound around an outer peripheral section of the housing, support plates arranged in this filter unit are subjected to induction heating, and fine particles accumulated in the filter unit are burned with heat generated by this induction heating.Type: ApplicationFiled: June 24, 2005Publication date: December 1, 2005Inventor: Yoshihiro Hatanaka
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Publication number: 20050164377Abstract: According to the present invention, capable of safely holding a large amount of undifferentiated embryonic stem cells to culture in the absence of feeder cells or feeder cell-derived components. Cultured embryonic stem cells can be applied to the fields of cell culture, tissue transplantation, drug development, and gene therapy.Type: ApplicationFiled: October 31, 2002Publication date: July 28, 2005Inventors: Tomoyuki Miyabayashi, Yoshihiro Hatanaka
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Patent number: 6599713Abstract: Disclosed is a method for determining a white blood cell count of a whole blood sample, which comprises: mixing a whole blood sample with a surfactant to thereby obtain a mixture; allowing the mixture to stand for a time sufficient to lyze the white blood cells contained in the whole blood sample and release intrinsic myeloperoxidase from the white blood cells; measuring the concentration of the released myeloperoxidase in the mixture; and determining the white blood cell count in the whole blood sample, based on the concentration of the released myeloperoxidase. Also disclosed is a method of the present invention, in which, in addition to a white blood cell count of a whole blood sample, the concentration of C-reactive protein contained in the same whole blood sample is measured.Type: GrantFiled: August 10, 2001Date of Patent: July 29, 2003Assignee: Asahi Kasei Kabushiki KaishaInventors: Yoshihiro Hatanaka, Ryo Serizawa
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Patent number: 6127339Abstract: Disclosed is a peptide for binding thereto a low density lipoprotein, which has an amino acid sequence represented by the formula (I) or (II) and which has an electric charge (E) satisfying the following requirement: +1.ltoreq.E.ltoreq.+4 wherein E is defined by the formula: E=(the number of positive functional groups present in the peptide)-(the number of negative functional groups present in the peptide): ##STR1## wherein each a is independently Phe or Trp; each p is independently Arg or Lys; each X.sup.1, each X.sup.2 and each X.sup.3 are individually, independently an arbitrary amino acid residue; and m, n, p, q and r satisfy the following requirement: 2.ltoreq.m+n+p+q+r.ltoreq.10, wherein m and n satisfy the following requirements: 2.ltoreq.m+n.ltoreq.10 and 1.ltoreq.m, n.ltoreq.9, and p, q and r satisfy the following requirements: 0.ltoreq.p+q+r.ltoreq.8, 0.ltoreq.p, r.ltoreq.8 and 0.ltoreq.q.ltoreq.5.Type: GrantFiled: December 18, 1997Date of Patent: October 3, 2000Assignees: Asahi Kasei Kogyo Kabushiki Kaisha, Asahi Medical Co., Ltd.Inventors: Yoshihiro Hatanaka, Masaharu Aritomi
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Patent number: 4102110Abstract: A coin packaging system comprises a coin sorting section for sorting out coins mixedly supplied thereto according to the denominations thereof, a coin packaging section for packaging the sorted coins separately according to the denominations, and a coin denomination selecting section for selecting a denomination of coins to be packaged, the sorted coins being stored in respective sorted coin containing sections. According to one aspect of the invention, the coin packaging section is moved to the sorted coin containing sections selectively in response to the operation of the coin denomination selecting section so as to package the sorted coins separately according to the denominations.Type: GrantFiled: August 30, 1977Date of Patent: July 25, 1978Assignee: Glory Kogyo Kabushiki KaishaInventors: Nobuhiro Iizuka, Yoshihiro Hatanaka