Patents by Inventor Michihiro Shibata

Michihiro Shibata 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: 20200353115
    Abstract: A medical instrument of the present invention includes a hydrophilic processed portion on at least a portion of an outer surface of the instrument. The hydrophilic processed portion contains a hydrophilic polymer and an antibacterial agent, and a water contact angle of a surface of the hydrophilic processed portion is equal to or smaller than 30°. Provided that a silver content per unit area in the hydrophilic processed portion is P, and a silver ion amount per unit area measured by an extraction test described below is Q, P and Q satisfy the relationships of Formula (1) and Formula (2) shown below. Accordingly, the medical instrument has excellent antifogging properties and antibacterial properties and excellently retains the antibacterial properties. 6.0?P/Q??Formula (1) 15.0?Q??Formula (2) The unit of P is ng/cm2, and the unit of Q is ng/cm2.
    Type: Application
    Filed: July 22, 2020
    Publication date: November 12, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIBATA, Hideo Nagasaki, Fumito Nariyuki, Setsuko Shiratsuchi, Shigeaki Ohtani, Norihiro Omae, Haruyasu Nakatsugawa
  • Patent number: 10244763
    Abstract: The present invention provides an antibacterial layer-attached base material which has excellent light resistance and includes an antibacterial layer exhibiting an antibacterial action within a short period of time, an antibacterial sheet, a radiation photographing device, and a touch panel. The antibacterial layer-attached base material of the present invention is an antibacterial layer-attached base material including: a base material; and an antibacterial layer which is disposed on at least a part of the surface of the base material, in which the antibacterial layer contains at least one antibacterial agent containing silver, and the amount of silver ions per a unit area measured in an extraction test is 15 to 50 ng/cm2.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: April 2, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Hideo Nagasaki, Michihiro Shibata, Fumito Nariyuki, Setsuko Shiratsuchi
  • Patent number: 10219962
    Abstract: The present invention provides an incubator hood having a hydrophilized portion on at least a part of its inner surface, the hydrophilized portion containing a hydrophilic polymer and an antibacterial agent, and a surface of the hydrophilized portion having a water contact angle of up to 30°, and also provides an incubator having the incubator hood as well as a hydrophilic sheet and a hydrophilic antibacterial film for use in forming the hydrophilized portion on the incubator hood. Thus the present invention provides an incubator hood, an incubator, a hydrophilic sheet and a hydrophilic antibacterial film that have excellent antifogging properties and antibacterial properties and can suppress the growth of bacteria.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: March 5, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Fumito Nariyuki, Toshiyuki Nabeta, Michihiro Shibata, Hideo Nagasaki, Setsuko Shiratsuchi, Shigeaki Ohtani
  • Patent number: 10125294
    Abstract: In an adhesive sheet, temperature dependence of a relative dielectric constant that is determined by a test for evaluating temperature dependence is equal to or less than 30%, and a 180° peel strength determined by a test for evaluating adhesiveness is equal to or greater than 0.20 N/mm. The adhesive sheet can inhibit the occurrence of malfunctioning of a capacitance-type touch panel in an environment of a wide temperature range from a low temperature to a high temperature, and can be included in a laminate for a touch panel and a capacitance-type touch panel.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: November 13, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Yasuhiro Mitamura, Michihiro Shibata, Shinya Ogikubo
  • Publication number: 20180140750
    Abstract: A medical instrument of the present invention includes a hydrophilic processed portion on at least a portion of an outer surface of the instrument. The hydrophilic processed portion contains a hydrophilic polymer and an antibacterial agent, and a water contact angle of a surface of the hydrophilic processed portion is equal to or smaller than 30°. Provided that a silver content per unit area in the hydrophilic processed portion is P, and a silver ion amount per unit area measured by an extraction test described below is Q, P and Q satisfy the relationships of Formula (1) and Formula (2) shown below. Accordingly, the medical instrument has excellent antifogging properties and antibacterial properties and excellently retains the antibacterial properties. 6.0?P/Q??Formula (1) 15.05?Q??Formula (2) The unit of P is ng/cm2, and the unit of Q is ng/cm2.
    Type: Application
    Filed: January 19, 2018
    Publication date: May 24, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIBATA, Hideo NAGASAKI, Fumito NARIYUKI, Setsuko SHIRATSUCHI, Shigeaki OHTANI, Norihiro OMAE, Haruyasu NAKATSUGAWA
  • Patent number: 9886135
    Abstract: The invention provides a capacitive touch panel that hardly cause malfunction in a wide range of temperature environment from a low temperature to a high temperature. The capacitive touch panel according to the invention is a capacitive touch panel including a display device, a lower adhesive layer, a capacitive touch panel sensor, an upper adhesive layer, and a protective substrate in this order, in which a maximum value of tan ? of the upper adhesive layer and a maximum value of tan ? of the lower adhesive layer obtained from a temperature dependency evaluation test is 0.08 or less, and tan ? of the lower adhesive layer at each temperature of every 20° C. from ?40° C. to 80° C. is equal to or less than tan ? of the upper adhesive layer.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: February 6, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Shinya Ogikubo, Michihiro Shibata, Yasuhiro Mitamura
  • Patent number: 9883839
    Abstract: A radiation imaging apparatus includes a hydrophilized portion provided on at least a portion of an outer surface of the radiation imaging apparatus. The hydrophilized portion contains a hydrophilic polymer and an antibacterial agent. A water contact angle of a surface of the hydrophilized portion is equal to or less than 30°.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: February 6, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Fumito Nariyuki, Haruyasu Nakatsugawa, Takafumi Hironaka, Satoshi Tanaka, Michihiro Shibata, Hideo Nagasaki
  • Patent number: 9740350
    Abstract: A capacitance touch panel includes a display, a lower adhesive layer, a capacitance touch panel sensor, an upper adhesive layer, and a protective substrate, which are formed in this order. A temperature dependency of relative permittivity in the upper adhesive layer and a temperature dependency of relative permittivity in the lower adhesive layer as determined by a temperature dependency evaluation test are both up to 30%.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: August 22, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Shinya Ogikubo, Michihiro Shibata, Yasuhiro Mitamura
  • Publication number: 20170164609
    Abstract: An object of the present invention is to provide an antibacterial sheet which is particularly extremely effective for preventing cloudiness or dew condensation and can prevent or inhibit the bacterial multiplication, an antibacterial coat, a laminate, and an antibacterial solution. The antibacterial sheet of the present invention has a support and at least one antibacterial layer disposed on the support, in which the antibacterial layer contains a binder and at least one kind of an antibacterial agent, and a water contact angle of only the binder is equal to or less than 20°.
    Type: Application
    Filed: February 23, 2017
    Publication date: June 15, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIBATA, Shin OZAWA, Tetsuo KAWANO, Jou TOMINAGA, Naohiro MATSUNAGA, Hideo NAGASAKI, Naoharu KIYOTO, Yusuke HATANAKA
  • Patent number: 9645691
    Abstract: A capacitance touch panel of the invention includes a display, a lower adhesive layer, a capacitance touch panel sensor, an upper adhesive layer and a protective substrate, which are formed in this order. Relative permittivity A in the upper adhesive layer and relative permittivity B in the lower adhesive layer satisfy expression (1): [relative permittivity A?relative permittivity B . . . (1)] at respective temperatures set in increments of 20° C. from ?40° C. to 80° C., and a temperature dependency of the relative permittivity B in the lower adhesive layer as determined by a temperature dependency evaluation test is up to 30%.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: May 9, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Shinya Ogikubo, Michihiro Shibata, Yasuhiro Mitamura
  • Publication number: 20170066929
    Abstract: Provided is an instrument including a hydrophilic processed portion on at least a portion of an outer surface thereof. The hydrophilic processed portion contains a hydrophilic polymer and a silver-containing antibacterial agent, and a water contact angle of a surface of the hydrophilic processed portion is equal to or less than 80°. Therefore, the instrument has excellent hydrophilicity and antibacterial properties.
    Type: Application
    Filed: November 21, 2016
    Publication date: March 9, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Fumito NARIYUKI, Michihiro SHIBATA, Hideo NAGASAKI, Norihiro OMAE, Setsuko SHIRATSUCHI, Mitsumasa HAMANO
  • Publication number: 20170013842
    Abstract: The present invention provides an antibacterial layer-attached base material which has excellent light resistance and includes an antibacterial layer exhibiting an antibacterial action within a short period of time, an antibacterial sheet, a radiation photographing device, and a touch panel. The antibacterial layer-attached base material of the present invention is an antibacterial layer-attached base material including: a base material; and an antibacterial layer which is disposed on at least a part of the surface of the base material, in which the antibacterial layer contains at least one antibacterial agent containing silver, and the amount of silver ions per a unit area measured in an extraction test is 15 to 50 ng/cm2.
    Type: Application
    Filed: September 27, 2016
    Publication date: January 19, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Hideo NAGASAKI, Michihiro SHIBATA, Fumito NARIYUKI, Setsuko SHIRATSUCHI
  • Patent number: 9491858
    Abstract: This wiring board is provided with: a plurality of metal wires disposed upon an insulating substrate; and a transparent adhesive agent layer which is disposed upon the metal wires, and which is in direct contact with the metal wires. The metal wires include: a first metal wire which has a pulse signal supplied thereto; and a second metal wire which has a fixed electric potential applied thereto. The pulse signal has a reference level identical to the fixed electric potential, and has a pulse train in which a plurality of pulses having a pulse width of not more than 3 msec are arranged, the integral time of the pulses in a period of 600 seconds being less than 60 seconds.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: November 8, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Yasushi Endo, Nobuyuki Tada, Kenji Naoi, Tomohito Asai, Hideo Ikeda, Michihiro Shibata
  • Publication number: 20160259482
    Abstract: The invention provides a capacitive touch panel that hardly cause malfunction in a wide range of temperature environment from a low temperature to a high temperature. The capacitive touch panel according to the invention is a capacitive touch panel including a display device, a lower adhesive layer, a capacitive touch panel sensor, an upper adhesive layer, and a protective substrate in this order, in which a maximum value of tan ? of the upper adhesive layer and a maximum value of tan ? of the lower adhesive layer obtained from a temperature dependency evaluation test is 0.08 or less, and tan ? of the lower adhesive layer at each temperature of every 20° C. from ?40° C. to 80° C. is equal to or less than tan ? of the upper adhesive layer.
    Type: Application
    Filed: May 17, 2016
    Publication date: September 8, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Shinya OGIKUBO, Michihiro SHIBATA, Yasuhiro MITAMURA
  • Publication number: 20160253035
    Abstract: A laminate for a touch panel suppresses false operation through a wide range of temperatures. A flat panel display includes the laminate. The laminate includes an adhesive layer, and a capacitance touch panel sensor, in which the adhesive layer includes a poly(meth)acrylate which is formed by polymerizing (meth)acrylate and which has a polycyclic aliphatic hydrocarbon group and a saturated chain hydrocarbon group, the (meth)acrylate compound includes at least one type or 2 or more types of (meth)acrylate X which is represented by Formula (X) and which has a polycyclic aliphatic hydrocarbon group with 7 to 30 carbon atoms and one type or 2 or more types of (meth)acrylate Y which is represented by Formula (Y) and which has a saturated chain hydrocarbon group with 8 to 30 carbon atoms, and a temperature dependency of relative permittivity of the adhesive layer and a maximum value of relative permittivity are predetermined values.
    Type: Application
    Filed: May 11, 2016
    Publication date: September 1, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiro MITAMURA, Michihiro SHIBATA, Reiji HIGUCHI
  • Publication number: 20160216809
    Abstract: Provided is a laminate for a touch panel that is a laminate that is used in a touch panel, and that can prevent migration of wiring caused by incursion of moisture. The laminate for a touch panel includes a substrate; wiring that is formed on a surface of the substrate; and an adhesive layer that is in contact with the wiring and is provided on the substrate, in which moisture permeability of the adhesive layer is 40 g/(m2·day) or less, and a shortest distance from an end surface to the wiring is 500 ?m or greater.
    Type: Application
    Filed: April 5, 2016
    Publication date: July 28, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Michihiro SHIBATA, Yasuhiro MITAMURA, Shinya OGIKUBO, Reiji HIGUCHI
  • Publication number: 20160030616
    Abstract: The present invention provides an incubator hood having a hydrophilized portion on at least a part of its inner surface, the hydrophilized portion containing a hydrophilic polymer and an antibacterial agent, and a surface of the hydrophilized portion having a water contact angle of up to 30°, and also provides an incubator having the incubator hood as well as a hydrophilic sheet and a hydrophilic antibacterial film for use in forming the hydrophilized portion on the incubator hood. Thus the present invention provides an incubator hood, an incubator, a hydrophilic sheet and a hydrophilic antibacterial film that have excellent antifogging properties and antibacterial properties and can suppress the growth of bacteria.
    Type: Application
    Filed: July 28, 2015
    Publication date: February 4, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Fumito NARIYUKI, Toshiyuki NABETA, Michihiro SHIBATA, Hideo NAGASAKI, Setsuko SHIRATSUCHI, Shigeaki OHTANI
  • Publication number: 20160014894
    Abstract: This wiring board is provided with: a plurality of metal wires disposed upon an insulating substrate; and a transparent adhesive agent layer which is disposed upon the metal wires, and which is in direct contact with the metal wires. The metal wires include: a first metal wire which has a pulse signal supplied thereto; and a second metal wire which has a fixed electric potential applied thereto. The pulse signal has a reference level identical to the fixed electric potential, and has a pulse train in which a plurality of pulses having a pulse width of not more than 3 msec are arranged, the integral time of the pulses in a period of 600 seconds being less than 60 seconds.
    Type: Application
    Filed: September 25, 2015
    Publication date: January 14, 2016
    Inventors: YASUSHI ENDO, NOBUYUKI TADA, KENJI NAOI, TOMOHITO ASAI, HIDEO IKEDA, MICHIHIRO SHIBATA
  • Publication number: 20160002506
    Abstract: In an adhesive sheet, temperature dependence of a relative dielectric constant that is determined by a test for evaluating temperature dependence is equal to or less than 30%, and a 180° peel strength determined by a test for evaluating adhesiveness is equal to or greater than 0.20 N/mm. The adhesive sheet can inhibit the occurrence of malfunctioning of a capacitance-type touch panel in an environment of a wide temperature range from a low temperature to a high temperature, and can be included in a laminate for a touch panel and a capacitance-type touch panel.
    Type: Application
    Filed: September 11, 2015
    Publication date: January 7, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Yasuhiro MITAMURA, Michihiro SHIBATA, Shinya OGIKUBO
  • Publication number: 20160004356
    Abstract: A capacitance touch panel includes a display, a lower adhesive layer, a capacitance touch panel sensor, an upper adhesive layer, and a protective substrate, which are formed in this order. A temperature dependency of relative permittivity in the upper adhesive layer and a temperature dependency of relative permittivity in the lower adhesive layer as determined by a temperature dependency evaluation test are both up to 30%.
    Type: Application
    Filed: September 11, 2015
    Publication date: January 7, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Shinya OGIKUBO, Michihiro SHIBATA, Yasuhiro MITAMURA