Patents by Inventor Ken Okamoto

Ken Okamoto 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).

  • Publication number: 20240282405
    Abstract: An analysis system, a learned model generation device, a discrimination system, an analysis method, a learned model generation method, and a discrimination method can sensitively quantify at least one of an aggregation state or a surface state. An analysis system includes an acquisition unit for acquiring a signal change over time due to interaction between a capture target substance and a capture substance by an electrical detection method or optical detection method, and an analysis unit for analyzing at least one of an aggregation state and a surface state of the capture target substance from the signal change over time acquired by the acquisition unit.
    Type: Application
    Filed: June 23, 2022
    Publication date: August 22, 2024
    Applicant: KONICA MINOLTA, INC.
    Inventors: Ken OKAMOTO, Takatoshi SUEMATSU, Wataru ONODA, Atsuro TATSUMI, Yuichiro ASAI, Naoko FURUSAWA
  • Patent number: 12055600
    Abstract: A device includes a resonant voltage measurement unit 10 configured to input a predetermined frequency signal to a circuit including a fixed capacitance formed between a ground and a lower electrode, a variable capacitance formed between an upper electrode that is disposed above the lower electrode and the ground or between the lower electrode and the upper electrode, and a resonance inductor to measure a resonant voltage that is dependent on a current flowing in the resonance inductor when the variable capacitance is changed to cause the circuit to resonate, a pre-correction voltage-to-ground measurement unit 20 configured to measure a pre-correction voltage-to-ground that is a voltage between a measurement electrode, which is disposed at an equal height to the lower electrode and forms a capacitance-to-ground between the measurement electrode and the ground, and a measurement probe connected to a conductor, and a voltage-to-ground correction unit 30 configured to use the fixed capacitance, the variable capa
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: August 6, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Naruto Arai, Ken Okamoto, Jun Kato
  • Patent number: 11916274
    Abstract: An electromagnetic field band-stop filter includes a plurality of unit structures that have reflection characteristics on an electromagnetic wave of a predetermined frequency. Each of the plurality of unit structures includes: a plurality of electrode parts each of which is disposed along a side of a polygon in a non-contact manner with another electrode part; and a plurality of conductor parts which are provided for the plurality of electrode parts on a one-to-one basis and each of which has at least one bent portion between one end and other end, the one ends of the plurality of conductor parts being connected to the electrode parts on a one-to-one basis and the other ends of the plurality of conductor parts being connected at one point on an inner side of the electrode parts in the individual unit structure.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: February 27, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Go Itami, Yohei Toriumi, Ken Okamoto, Jun Kato
  • Publication number: 20240051971
    Abstract: Provided is a pharmaceutical composition for enhancing intracellular ATP, including a compound represented by General Formula (I) wherein R1 represents an unsubstituted or substituted phenyl group, R2 represents a cyano group or a nitro group, R3 represents a hydrogen atom or a hydroxyl group, X represents an oxygen atom or —S(O)n—, n represents an integer of 0 to 2, and Y represents an oxygen atom or a sulfur atom, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 8, 2021
    Publication date: February 15, 2024
    Inventors: Miki Hiraoka, Ken Okamoto, Masuharu Hirano
  • Patent number: 11674990
    Abstract: To easily measure a voltage to ground of electromagnetic interference waves generated on a cable. A capacitance-to-ground measurement mechanism 10 includes a first electrode 11 and a second electrode 12 positioned at equal altitudes to be opposed to the earth, and a first voltage measurement device 15 to measure a voltage generated in a first resistance 14 connected between the first electrode 11 and the second electrode 12 by an output signal from an oscillation circuit 13. A voltage-to-ground measurement mechanism 30 includes a GND electrode 31 positioned at an altitude equal to that of the first electrode 11 and the second electrode 12 to be opposed to the earth, and a second voltage measurement device 33 to measure a voltage generated in a second resistance 32 connected between the GND electrode 31 and a probe 34 that is brought into contact with a cable core 106 as a measurement target.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: June 13, 2023
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Naruto Arai, Ken Okamoto, Jun Kato
  • Publication number: 20230146777
    Abstract: A measurement individual difference correction system for measuring voltage to ground includes a cable comprising a conductor, a floor panel provided on a floor and comprising a conductor, an oscillation circuit connected between the cable and the floor panel, and configured to output a signal, a voltage-to-ground measurement device comprising an upper electrode and a lower electrode positioned apart from each other, and configured to measure voltage between the upper electrode and the lower electrode, and a computation device in communication with the voltage-to-ground measurement device, in which the computation device calculates combined impedance of electrostatic capacity between the user and the cable, impedance of the user, and electrostatic capacity between the user and the upper electrode, by using voltage of the signal output from the oscillation circuit and the voltage between the upper electrode and the lower electrode measured by the voltage-to-ground measurement device.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 11, 2023
    Inventors: Naruto ARAI, Ken OKAMOTO, Jun KATO
  • Publication number: 20230094705
    Abstract: The present invention relates to a prophylactic and/or therapeutic agent for chronic prostatitis/chronic pelvic pain syndrome, the agent containing an mPGES-1 inhibitor as an active ingredient.
    Type: Application
    Filed: December 24, 2020
    Publication date: March 30, 2023
    Applicant: NIPPON SHINYAKU CO., LTD.
    Inventors: Ken OKAMOTO, Maki KURITA, Hiroshi YAMAGUCHI
  • Patent number: 11525845
    Abstract: A common-mode voltage measurement apparatus according to an embodiment includes a measurement electrode attached to a conductor capable of being brought into contact with a coated cable, a measurement circuit configured to measure a common-mode voltage generated in the cable, and a compensation circuit connected in series between the measurement electrode and the measurement circuit, the compensation circuit being configured to compensate for a parasitic capacitive component formed between the measurement electrode and the conductor.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: December 13, 2022
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Naruto Arai, Ken Okamoto, Jun Kato
  • Publication number: 20220276321
    Abstract: A device includes a resonant voltage measurement unit 10 configured to input a predetermined frequency signal to a circuit including a fixed capacitance formed between a ground and a lower electrode, a variable capacitance formed between an upper electrode that is disposed above the lower electrode and the ground or between the lower electrode and the upper electrode, and a resonance inductor to measure a resonant voltage that is dependent on a current flowing in the resonance inductor when the variable capacitance is changed to cause the circuit to resonate, a pre-correction voltage-to-ground measurement unit 20 configured to measure a pre-correction voltage-to-ground that is a voltage between a measurement electrode, which is disposed at an equal height to the lower electrode and forms a capacitance-to-ground between the measurement electrode and the ground, and a measurement probe connected to a conductor, and a voltage-to-ground correction unit 30 configured to use the fixed capacitance, the variable capa
    Type: Application
    Filed: August 14, 2019
    Publication date: September 1, 2022
    Inventors: Naruto ARAI, Ken OKAMOTO, Jun KATO
  • Patent number: 11344539
    Abstract: The present invention provides a therapeutic agent or a prophylactic agent of dementia containing xanthine oxidase inhibitor such as a compound represented in formula (I), (II), (III) or (IV), or a pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: May 31, 2022
    Assignees: NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY, Tejin Pharma Limited
    Inventors: Takeshi Nishino, Shinsuke Kato, Masako Kato, Hidenori Suzuki, Ken Okamoto
  • Publication number: 20220057442
    Abstract: To easily measure a voltage to ground of electromagnetic interference waves generated on a cable. A capacitance-to-ground measurement mechanism 10 includes a first electrode 11 and a second electrode 12 positioned at equal altitudes to be opposed to the earth, and a first voltage measurement device 15 to measure a voltage generated in a first resistance 14 connected between the first electrode 11 and the second electrode 12 by an output signal from an oscillation circuit 13. A voltage-to-ground measurement mechanism 30 includes a GND electrode 31 positioned at an altitude equal to that of the first electrode 11 and the second electrode 12 to be opposed to the earth, and a second voltage measurement device 33 to measure a voltage generated in a second resistance 32 connected between the GND electrode 31 and a probe 34 that is brought into contact with a cable core 106 as a measurement target.
    Type: Application
    Filed: December 26, 2019
    Publication date: February 24, 2022
    Inventors: Naruto ARAI, Ken OKAMOTO, Jun KATO
  • Publication number: 20210239739
    Abstract: A common-mode voltage measurement apparatus according to an embodiment includes a measurement electrode attached to a conductor capable of being brought into contact with a coated cable, a measurement circuit configured to measure a common-mode voltage generated in the cable, and a compensation circuit connected in series between the measurement electrode and the measurement circuit, the compensation circuit being configured to compensate for a parasitic capacitive component formed between the measurement electrode and the conductor.
    Type: Application
    Filed: August 23, 2019
    Publication date: August 5, 2021
    Inventors: Naruto ARAI, Ken OKAMOTO, Jun KATO
  • Publication number: 20210205285
    Abstract: The present invention provides a therapeutic agent or a prophylactic agent of dementia containing xanthine oxidase inhibitor such as a compound represented in formula (I), (II), (III) or (IV), or a pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Application
    Filed: February 17, 2017
    Publication date: July 8, 2021
    Applicants: NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY, Nippon Medical School Foundation, Teijin Phama Limited
    Inventors: Takeshi NISHINO, Shinsuke KATO, Masako KATO, Hidenori SUZUKI, Ken OKAMOTO
  • Publication number: 20200395646
    Abstract: An electromagnetic field band-stop filter includes a plurality of unit structures that have reflection characteristics on an electromagnetic wave of a predetermined frequency. Each of the plurality of unit structures includes: a plurality of electrode parts each of which is disposed along a side of a polygon in a non-contact manner with another electrode part; and a plurality of conductor parts which are provided for the plurality of electrode parts on a one-to-one basis and each of which has at least one bent portion between one end and other end, the one ends of the plurality of conductor parts being connected to the electrode parts on a one-to-one basis and the other ends of the plurality of conductor parts being connected at one point on an inner side of the electrode parts in the individual unit structure.
    Type: Application
    Filed: February 21, 2019
    Publication date: December 17, 2020
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Go ITAMI, Yohei TORIUMI, Ken OKAMOTO, Jun KATO
  • Patent number: 10504706
    Abstract: A sputtering target which is made of an alumina sintered body having a purity of not less than 99.99% by mass %, a relative density of not less than 98%, and an average grain size of less than 5 ?m or is made of an alumina sintered body having a purity of not less than 99.999% by mass % and a relative density of not less than 98%. A sputtered film having an excellent insulation resistance and an excellent homogeneity can be obtained by using the sputtering target.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: December 10, 2019
    Assignee: Ferrotec Ceramics Corporation
    Inventors: Ken Okamoto, Tadahisa Arahori, Akishige Sato, Sachio Miyashita, Eiji Kusano, Muneaki Sakamoto
  • Patent number: 10413546
    Abstract: A medicament for prophylactic and/or therapeutic treatment of dementia, which comprises a compound represented by the formula (I) having a xanthine oxidase inhibitory action as an active ingredient.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: September 17, 2019
    Assignees: NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY, NIPPON MEDICAL SCHOOL FOUNDATION, NIPPON CHEMIPHAR CO., LTD.
    Inventors: Takeshi Nishino, Shinsuke Kato, Masako Kato, Hidenori Suzuki, Ken Okamoto
  • Patent number: 10050237
    Abstract: An object of the present invention is to provide an organic electroluminescent element containing: a plurality of light emitting units interposed between a pair of an anode and a cathode; and a charge generating unit formed between the light emitting units, wherein a light emitting layer of a light emitting unit located in an N-th order from the anode and a light emitting layer of a light emitting unit located in an (N+1)-th order from the anode each contain an emission dopant to emit light of the same emission color; and a largest maximum emission wavelength in a photoluminescent spectrum of the emission dopant in the light emitting layer of the N-th light emitting unit is shorter than a largest maximum emission wavelength in a photoluminescent spectrum of the emission dopant in the light emitting layer of the (N+1)-th light emitting unit.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: August 14, 2018
    Assignee: Konica Minolta, Inc.
    Inventor: Ken Okamoto
  • Publication number: 20180117047
    Abstract: A medicament for prophylactic and/or therapeutic treatment of dementia, which comprises a compound represented by the formula (I) having a xanthine oxidase inhibitory action as an active ingredient.
    Type: Application
    Filed: February 23, 2016
    Publication date: May 3, 2018
    Applicants: NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY, NIPPON MEDICAL SCHOOL FOUNDATION, NIPPON CHEMIPHAR CO., LTD.
    Inventors: Takeshi NISHINO, Shinsuke KATO, Masako KATO, Hidenori SUZUKI, Ken OKAMOTO
  • Publication number: 20170358767
    Abstract: An object of the present invention is to provide an organic electroluminescent element containing: a plurality of light emitting units interposed between a pair of a semi-transparent electrode and a reflective electrode; and a charge generating unit formed between the light emitting units, wherein a light emitting layer of a light emitting unit located in an N-th order from the semi-transparent electrode and a light emitting layer of a light emitting unit located in an (N+1)-th order from the semi-transparent electrode each contain an emission dopant emitting light of the same emission color; and a largest maximum emission wavelength ?N(max) in an electroluminescent spectrum of the emission dopant in the light emitting layer of the N-th light emitting unit and a largest maximum emission wavelength ?N+1(max) in an electroluminescent spectrum of the emission dopant in the light emitting layer of the (N+1)-th light emitting unit satisfy the conditional expression (1).
    Type: Application
    Filed: November 9, 2015
    Publication date: December 14, 2017
    Inventor: Ken OKAMOTO
  • Publication number: 20170338446
    Abstract: An object of the present invention is to provide an organic electroluminescent element containing: a plurality of light emitting units interposed between a pair of an anode and a cathode; and a charge generating unit formed between the light emitting units, wherein a light emitting layer of a light emitting unit located in an N-th order from the anode and a light emitting layer of a light emitting unit located in an (N+1)-th order from the anode each contain an emission dopant to emit light of the same emission color; and a largest maximum emission wavelength in a photoluminescent spectrum of the emission dopant in the light emitting layer of the N-th light emitting unit is shorter than a largest maximum emission wavelength in a photoluminescent spectrum of the emission dopant in the light emitting layer of the (N+1)-th light emitting unit.
    Type: Application
    Filed: November 5, 2015
    Publication date: November 23, 2017
    Inventor: Ken OKAMOTO