Patents by Inventor Minoru Watanabe

Minoru Watanabe 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: 20190375665
    Abstract: The present invention provides a sludge dehydrating agent having excellent dehydrating effects, particularly, an excellent floc formation ability and gravity filtration property even if the amount to be added is small and a sludge dehydrating method using the sludge dehydrating agent. The sludge dehydrating agent comprises at least one crosslinked polymer selected from the group consisting of a polymer A, a polymer B, and a polymer C each comprising a monomer represented by a particular structural formula, wherein the crosslinked polymer has an intrinsic viscosity of 0.5 to 5.0 dL/g, the intrinsic viscosity measured with 1.0N sodium nitrate, and the sludge dehydrating method uses the sludge dehydrating agent.
    Type: Application
    Filed: February 27, 2018
    Publication date: December 12, 2019
    Applicant: KURITA WATER INDUSTRIES LTD.
    Inventors: Shihoko SEKIGUCHI, Satoshi TAKEBAYASHI, Shigeru SATO, Minoru WATANABE
  • Patent number: 10499872
    Abstract: An apparatus includes a plurality of detection pixels configured to generate a signal according to a radiation irradiation amount to obtain radiation irradiation information, a detection unit configured to correspond to a region of the plurality of detection pixels and detect one of light, pressure, capacitance, and temperature as two-dimensional information, and a control unit configured to determine a monitoring target detection pixel and a non-monitoring-target detection pixel among the plurality of detection pixels based on the two-dimensional information detected by the detection unit, read the signals of detection pixels of a row in which the monitoring target detection pixel is included.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: December 10, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masato Ofuji, Minoru Watanabe, Keigo Yokoyama, Jun Kawanabe, Kazuya Furumoto
  • Patent number: 10473801
    Abstract: A radiation imaging apparatus including conversion elements acquiring a radiation image and detectors, a readout unit and a controller is provided. In a first operation, the controller causes the readout unit to output a composition signal obtained by composing signals from the detectors, detects irradiation with radiation based on the composition signal, and shifts to a second operation. In the second operation, the controller acquires first signals individually read out from the detectors, decides a signal component, of the composition signal, which is output from a selected detector of the detectors in accordance with a ratio of the first signal from the selected detector to a sum of the first signals, and acquires an integrated dose of radiation incident on the selected detector based on the signal component and the first signal of the selected detector.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: November 12, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Jun Kawanabe, Minoru Watanabe, Keigo Yokoyama, Sho Sato, Kentaro Fujiyoshi
  • Publication number: 20190324156
    Abstract: A radiation imaging apparatus includes a first detection pixel including a first switch element, a second detection pixel including a second switch element and having sensitivity which is different from that of the first detection pixel, a first signal line, a second signal line, a reading circuit which performs a first operation of reading first and second signals which appear in the first and second signal lines in a state in which the first and second switch elements are in a non-conductive state while the radiation imaging apparatus is irradiated with a radial ray and a second operation of reading third and fourth signals which appear in the first and second signal lines when the first and second switch elements are brought into a conductive state, and an information processing circuit which performs a process of generating information based on the first to fourth signals.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 24, 2019
    Inventors: Ryosuke Miura, Minoru Watanabe, Keigo Yokoyama, Masato Ofuji, Kentaro Fujiyoshi, Jun Kawanabe, Sho Sato, Kazuya Furumoto
  • Patent number: 10435003
    Abstract: A valve mechanism of this negative pressure type booster device has: a negative pressure valve seat provided on a valve body; an atmospheric valve seat provided on a plunger; and a valve part provided with a negative pressure valve section constituting a negative pressure valve together with the negative pressure valve seat and an atmospheric valve section constituting an atmospheric valve together with the atmospheric valve seat. The valve mechanism is provided with a tilting part which is provided on at least one of the valve body and the valve part and tilts the atmospheric valve section relative to a first plane formed when the negative pressure valve section and the negative pressure valve seat are brought into contact with each other to put the negative pressure valve in a closed state.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 8, 2019
    Assignee: ADVICS CO., LTD.
    Inventors: Nobuyuki Hirota, Minoru Watanabe, Yu Furuta, Yoji Inoue, Eri Tanimoto
  • Publication number: 20190292306
    Abstract: [Problem] To provide polyurethane foam excellent in air permeability and laundry durability, an apparel material, a brassiere pad, a brassiere cup, and a method for producing polyurethane foam. [Solution] In polyurethane foam of a reaction/foaming product of a polyisocyanate component containing an aliphatic polyisocyanate derivative and a polyol component, the derivative has an isocyanate group concentration of 25 mass % or less, the derivative contains an isocyanurate derivative of aliphatic polyisocyanate and an allophanate derivative of aliphatic polyisocyanate, the allophanate derivative is a reaction product of aliphatic polyisocyanate and monohydric alcohol, the allophanate group content relative to a total amount of the polyisocyanate component is 10 mol % to 80 mol %, and the uretdione group content relative to a total amount of the polyisocyanate component is less than 10 mol %.
    Type: Application
    Filed: November 13, 2017
    Publication date: September 26, 2019
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hirokazu MORITA, Hiroshi KANAYAMA, Minoru WATANABE, Toshihiko NAKAGAWA, Satoshi YAMASAKI
  • Patent number: 10326948
    Abstract: A radiation imaging apparatus includes a plurality of pixels, each of which includes a conversion element and a transistor, a plurality of drive lines connected to gates of the transistors, a drive circuit unit configured to supply a voltage to the plurality of drive lines, and a control unit configured to control the drive circuit unit. The control unit performs control of causing the drive circuit unit to apply a different voltage that is between the OFF voltage and the ON voltage and is different from the OFF voltage and the ON voltage to the plurality of drive lines in a different period different from a period in which storage control is performed and a period in which read control is performed.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: June 18, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Wayama, Minoru Watanabe, Keigo Yokoyama, Masato Ofuji, Jun Kawanabe, Kentaro Fujiyoshi, Kazuya Furumoto
  • Publication number: 20190146103
    Abstract: A radiation imaging apparatus includes a pixel portion in which a plurality of pixels, each pixel including a conversion element configured to convert radiation into charge, are arranged in a matrix, a driving circuit configured to drive a plurality of driving lines and a processing unit configured to process a signal from the pixel portion. The driving circuit performs a reset operation in which the conversion elements of the plurality of pixels are repetitively reset. The pixel portion includes rows in which the pixels have been divided into a plurality of groups. The conversion elements of the plurality of groups are reset at different timings in the reset operation, and the processing unit corrects, by using a signal of a pixel of another group, a signal of a pixel of a group with data deficiency caused by the reset operation.
    Type: Application
    Filed: November 5, 2018
    Publication date: May 16, 2019
    Inventors: Masato Ofuji, Minoru Watanabe, Kentaro Fujiyoshi, Sho Sato
  • Publication number: 20180321397
    Abstract: A radiation imaging apparatus including conversion elements acquiring a radiation image and detectors, a readout unit and a controller is provided. In a first operation, the controller causes the readout unit to output a composition signal obtained by composing signals from the detectors, detects irradiation with radiation based on the composition signal, and shifts to a second operation. In the second operation, the controller acquires first signals individually read out from the detectors, decides a signal component, of the composition signal, which is output from a selected detector of the detectors in accordance with a ratio of the first signal from the selected detector to a sum of the first signals, and acquires an integrated dose of radiation incident on the selected detector based on the signal component and the first signal of the selected detector.
    Type: Application
    Filed: May 3, 2018
    Publication date: November 8, 2018
    Inventors: Jun Kawanabe, Minoru Watanabe, Keigo Yokoyama, Sho Sato, Kentaro Fujiyoshi
  • Patent number: 10094938
    Abstract: A protection film, configured to cover scintillators formed on a scintillator substrate, the scintillators being a plurality of columnar crystal structures protruding from a surface of the scintillator substrate, at least includes a metal alkoxide, and a cross-link formed by cross-linking some of metal atoms of the metal alkoxide by oxygen.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: October 9, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsunori Ojima, Minoru Watanabe
  • Publication number: 20180257355
    Abstract: A buffer material including a skinned polyurethane foam including a foam layer and a skin layer formed on the surface of the foam layer, wherein the skinned polyurethane foam essentially contains no silicone compound, the foam layer is polyurethane foam, the skin layer is a polyurethane resin layer produced by reaction of a skin-isocyanate component containing an aliphatic and/or an alicyclic polyisocyanate with a skin-active hydrogen group-containing component, the skin layer has a storage modulus at 23° C. (E?coat) of 1×107 Pa or more and 3×108 Pa or less, the foam layer has a storage modulus at 23° C. (E?foam) of 1×105 Pa or more and 5×106 Pa or less, and the ratio (E?coat/E?foam) of the storage modulus at 23° C. (E?coat) of the skin layer relative to the storage modulus at 23° C. (E?foam) of the foam layer is 10 or more and 500 or less.
    Type: Application
    Filed: September 1, 2016
    Publication date: September 13, 2018
    Inventors: Hiroshi KANAYAMA, Minoru WATANABE, Makoto KAJIURA, Satoshi YAMASAKI
  • Patent number: 10068943
    Abstract: Provided is a radiation imaging apparatus, including: a plurality of pixels configured to output image signals corresponding to radiation; an image signal line configured to output the image signals; and a detection signal line configured to output a detection signal for detection of irradiation of the radiation, in which at least one of the plurality of pixels includes: a conversion element configured to convert the radiation into charge; a first switch configured to output the image signal corresponding to the charge via the image signal line; a storage capacitor including a first electrode and a second electrode, in which the first electrode is electrically connected to the conversion element to store the charge; and a second switch configured to electrically connect the second electrode and the detection signal line.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: September 4, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kentaro Fujiyoshi, Minoru Watanabe, Keigo Yokoyama, Masato Ofuji, Jun Kawanabe, Hiroshi Wayama, Kazuya Furumoto
  • Patent number: 10061039
    Abstract: An apparatus includes a plurality of first groups having same configurations and arranged in a row direction and a column direction, each of the first groups including a plurality of pixels for obtaining a radiation image and at least one detection section for detecting an amount of incident radiation, and a plurality of detection signal lines connected to the plurality of detection sections. Two of the plurality of first groups which are arranged in the column direction are shifted from each other in the row direction, and the detection sections included in the two groups are connected to different detection signal lines in the plurality of detection signal lines.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: August 28, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Jun Kawanabe, Minoru Watanabe, Keigo Yokoyama, Masato Ofuji, Kazuya Furumoto
  • Publication number: 20180231672
    Abstract: A radiation imaging apparatus comprises a sensor portion including a pixel array configured to acquire an image signal corresponding to radiation, and a plurality of detection elements arranged in the pixel array and configured to detect the radiation, and a readout circuit configured to read out the image signal from the sensor portion, wherein the readout circuit includes a signal processing circuit arranged to combine and process signals from the plurality of detection elements if determining the presence or absence of radiation irradiation, and to process a signal for each detection element or combine and process signals from a number of detection elements from among the plurality of detection elements, the number being less than the number of detection elements that include the plurality of detection elements, if determining a radiation dose.
    Type: Application
    Filed: April 16, 2018
    Publication date: August 16, 2018
    Inventors: KEIGO YOKOYAMA, Minoru Watanabe, Masato Ofuji, Jun Kawanabe, Kentaro Fujiyoshi, Hiroshi Wayama
  • Publication number: 20180208708
    Abstract: A rigid polyurethane resin composition contains a polyisocyanate component containing polyphenylmethane polyisocyanate and alicyclic polyisocyanate, and a polyol component. In the polyisocyanate component, the ratio of an isocyanate group derived from the alicyclic polyisocyanate with respect to the total amount of an isocyanate group derived from the polyphenylmethane polyisocyanate and the isocyanate group derived from the alicyclic polyisocyanate is 10 to 70 mol %.
    Type: Application
    Filed: July 15, 2016
    Publication date: July 26, 2018
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hiroshi KANAYAMA, Minoru WATANABE, Makoto KAJIURA, Masakazu KAGEOKA, Satoshi YAMASAKI, Toshihiro TANAKA
  • Publication number: 20180140264
    Abstract: A radiographic imaging apparatus includes a pixel, a readout unit, and a signal processing unit. The pixel includes a switch configured to connect a conversion element configured to convert radiation into an electric signal to a signal line. The readout unit is configured to perform a first operation of reading out a first signal appearing in the signal line when the switch is not in a conductive state and a second operation of reading out a second signal appearing in the signal line when the switch is in a conductive state. The read out unit is configured to perform the first operation before performing the second operation a plurality of times consecutively. The signal processing unit is configured to perform signal processing for outputting information indicating irradiation of the radiographic imaging apparatus by the radiation based on the first signal and the second signal.
    Type: Application
    Filed: November 20, 2017
    Publication date: May 24, 2018
    Inventors: Kentaro Fujiyoshi, Minoru Watanabe, Keigo Yokoyama, Masato Ofuji, Jun Kawanabe, Sho Sato, Kazuya Furumoto, Ryosuke Miura
  • Patent number: 9977135
    Abstract: A radiation imaging apparatus comprises a sensor portion including a pixel array configured to acquire an image signal corresponding to radiation, and a plurality of detection elements arranged in the pixel array and configured to detect the radiation, and a readout circuit configured to read out the image signal from the sensor portion, wherein the readout circuit includes a signal processing circuit arranged to combine and process signals from the plurality of detection elements if determining the presence or absence of radiation irradiation, and to process a signal for each detection element or combine and process signals from a number of detection elements from among the plurality of detection elements, the number being less than the number of detection elements that include the plurality of detection elements, if determining a radiation dose.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: May 22, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Keigo Yokoyama, Minoru Watanabe, Masato Ofuji, Jun Kawanabe, Kentaro Fujiyoshi, Hiroshi Wayama
  • Patent number: 9948871
    Abstract: A radiation imaging apparatus includes a radiation detection unit including a plurality of sensors which detect radiation, and a monitoring unit which monitors irradiation of radiation based on signals detected by the plurality of sensors. The monitoring unit determines a plurality of effective sensor candidates from the plurality of sensors, and determines effective sensor(s) from effective sensor candidates excluding certain effective sensor candidates of the plurality of effective sensor candidates, the certain effective sensor candidates being an effective sensor candidate which has detected a signal having a maximum value and an effective sensor candidate which has detected a signal having a minimum value. The monitoring unit monitors irradiation of radiation based on signal(s) detected by the effective sensor(s).
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: April 17, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Wayama, Minoru Watanabe, Keigo Yokoyama, Masato Ofuji, Jun Kawanabe, Kentaro Fujiyoshi
  • Patent number: 9924113
    Abstract: An apparatus includes a plurality of imaging pixels configured to acquire a radiation image, a plurality of detection pixels each including a detection conversion element and a detection switch element, a drive unit configured to drive the detection switch element of each of the plurality of detection pixels, a plurality of detection regions in each of which the plurality of detection pixels are arranged, a control unit configured to control the drive unit to drive the plurality of detection pixels arranged in each of the plurality of detection regions at respective different timing, and an acquisition unit configured to acquire an amount of incidence of radiation rays on each of the plurality of detection regions based on a value obtained by summing or averaging signals read out from the plurality of detection pixels.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: March 20, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Jun Kawanabe, Minoru Watanabe, Keigo Yokoyama, Masato Ofuji, Kentaro Fujiyoshi, Hiroshi Wayama, Kazuya Furumoto
  • Patent number: 9912881
    Abstract: An apparatus includes a detecting pixel including a converting element and a switch element, a different pixel includes a different converting element and a different switch element, a signal line connected in common to a plurality of the switch elements, a driving unit configured to drive the different switch element and the switch element, and a control unit configured to control the driving unit, wherein the control unit controls the driving unit such that in a case where an on-state voltage or an off-state voltage is applied to at least one switch element, a voltage of opposite polarity to the on-state voltage or the off-state voltage is applied to a different switch element that is different from the at least one switch element or a voltage of opposite polarity to the on-state voltage or the off-state voltage is applied to the different switch element.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: March 6, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Jun Kawanabe, Minoru Watanabe, Keigo Yokoyama, Masato Ofuji, Kentaro Fujiyoshi, Hiroshi Wayama, Kazuya Furumoto