Patents by Inventor Minoru Ichikawa
Minoru Ichikawa 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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Publication number: 20240174883Abstract: An object of the present invention is to provide an aqueous pigment dispersion that maintains excellent storage stability and can be used to produce an inkjet ink that can form clear printed images with less color unevenness and the like and with excellent water resistance. The present invention provides an aqueous pigment dispersion containing a pigment (A), a pigment dispersing resin (B) having a structure (X) represented by general formula (I) below and an anionic group, and an aqueous medium (C). The pigment dispersing resin (B) contains 0.2 to 1.5 mmol/g of the anionic group in the total amount of the pigment dispersing resin (B).Type: ApplicationFiled: March 24, 2022Publication date: May 30, 2024Applicant: DIC CorporationInventors: Yusuke Takahashi, Ryouta Ichikawa, Minoru Shigemori, Takahiro Nio, Shoji Imamura
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Patent number: 11996434Abstract: A radiation imaging device according to one embodiment includes a radiation detection panel having a first surface on which a detection region is formed and an electrode pad is formed outside the detection region, and a second surface on a side opposite to the first surface, a base substrate having a support surface configured to face the second surface of the radiation detection panel and configured to support the radiation detection panel, and a flexible circuit substrate connected to the electrode pad via a connecting member, wherein an end portion of the base substrate is located further inward than an inner end portion of the connection region in which the electrode pad, the connecting member, and the flexible circuit substrate overlap each other when seen in an Z direction orthogonal to the support surface.Type: GrantFiled: October 9, 2019Date of Patent: May 28, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Ryuji Kyushima, Kazuki Fujita, Junichi Sawada, Takao Aritake, Minoru Ichikawa, Haruyoshi Okada, Seiji Fukamizu, Shuhei Namba
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Patent number: 11975529Abstract: A verification apparatus includes a controller to display a screen in which a reference image as a verification target image is user selectable, to set, based on user input and. on the displayed reference image, a feature point of the reference image, and a reference region of a predetermined pattern formed in advance on a recording medium on which the verification target image is to be formed, to extract the set feature point from a read image, to specify, based on a positional relationship between the feature point and the screen set reference region, from an image position of the extracted feature point, a first region on the read image, indicating a region where the predetermined pattern should have been formed, and a second region other than the first, and to perform verification for the first region by a first algorithm, and for the second region by a second algorithm.Type: GrantFiled: March 24, 2021Date of Patent: May 7, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Junichi Goda, Yosuke Obayashi, Minoru Kambegawa, Masanori Ichikawa
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Publication number: 20240069223Abstract: A radiation imaging device according to one embodiment comprises a radiation detection panel, a base substrate having a support surface configured to support the radiation detection panel, and a housing, wherein: the housing has a top wall and a bottom wall, the base substrate has a protruding portion which protrudes further outward than the radiation detection panel when seen in a direction orthogonal to the support surface, a first extending portion is provided to the support surface of the protruding portion, a second extending portion is provided to a back surface of the protruding portion, the second extending portion being disposed at a position which it faces the first extending portion with the protruding portion interposed therebetween, and the base substrate is supported on the top wall via the first extending portion and is supported on the bottom wall via the second extending portion.Type: ApplicationFiled: November 8, 2023Publication date: February 29, 2024Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Ryuji KYUSHIMA, Kazuki FUJITA, Junichi SAWADA, Takao ARITAKE, Minoru ICHIKAWA, Haruyoshi OKADA, Seiji FUKAMIZU, Shuhei NAMBA
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Patent number: 11860323Abstract: A radiation imaging device according to one embodiment comprises a radiation detection panel, a base substrate having a support surface configured to support the radiation detection panel, and a housing, wherein: the housing has a top wall and a bottom wall, the base substrate has a protruding portion which protrudes further outward than the radiation detection panel when seen in a direction orthogonal to the support surface, a first extending portion is provided to the support surface of the protruding portion, a second extending portion is provided to a back surface of the protruding portion, the second extending portion being disposed at a position which it faces the first extending portion with the protruding portion interposed therebetween, and the base substrate is supported on the top wall via the first extending portion and is supported on the bottom wall via the second extending portion.Type: GrantFiled: October 9, 2019Date of Patent: January 2, 2024Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Ryuji Kyushima, Kazuki Fujita, Junichi Sawada, Takao Aritake, Minoru Ichikawa, Haruyoshi Okada, Seiji Fukamizu, Shuhei Namba
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Publication number: 20230420465Abstract: An X-ray detection device includes a capillary, an X-ray detection element, and a detection circuit. The capillary has a plurality of X-ray passing regions. The X-ray detection element has a conversion portion and a plurality of pixel electrode portions. The conversion portion faces the capillary and absorbs X-rays to generate carriers. The detection circuit detects carriers collected from the conversion portion through the plurality of pixel electrode portions. When a plurality of carriers generated by incidence of an X-ray are dispersed and collected in two or more of the pixel electrode portions, the detection circuit determines one of the pixel electrode portions corresponding to an X-ray incidence position and corrects and evaluates an amount of carriers in the one of the pixel electrode portions or ignores the incidence of the X-ray.Type: ApplicationFiled: September 8, 2021Publication date: December 28, 2023Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Minoru ICHIKAWA, Kazuki FUJITA
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Patent number: 11520061Abstract: A radiation imaging device according to one embodiment includes a radiation detection panel having a first surface on which a detection region is formed, and a second surface on a side opposite to the first surface, a base substrate having a support surface configured to face the second surface and configured to support the radiation detection panel, and a flexible circuit substrate connected to the radiation detection panel, wherein an end portion of the base substrate corresponding to a portion to which the flexible circuit substrate is connected is located further inward than an end portion of the radiation detection panel when seen in a first direction orthogonal to the support surface, and the base substrate has a protruding portion which protrudes further outward than the radiation detection panel at a position at which the base substrate does not overlap the flexible circuit substrate when seen in the first direction.Type: GrantFiled: October 9, 2019Date of Patent: December 6, 2022Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Ryuji Kyushima, Kazuki Fujita, Junichi Sawada, Takao Aritake, Minoru Ichikawa, Haruyoshi Okada, Seiji Fukamizu, Shuhei Namba
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Publication number: 20210389482Abstract: A radiation imaging device according to one embodiment comprises a radiation detection panel, a base substrate having a support surface configured to support the radiation detection panel, and a housing, wherein: the housing has a top wall and a bottom wall, the base substrate has a protruding portion which protrudes further outward than the radiation detection panel when seen in a direction orthogonal to the support surface, a first extending portion is provided to the support surface of the protruding portion, a second extending portion is provided to a back surface of the protruding portion, the second extending portion being disposed at a position which it faces the first extending portion with the protruding portion interposed therebetween, and the base substrate is supported on the top wall via the first extending portion and is supported on the bottom wall via the second extending portion.Type: ApplicationFiled: October 9, 2019Publication date: December 16, 2021Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Ryuji KYUSHIMA, Kazuki FUJITA, Junichi SAWADA, Takao ARITAKE, Minoru ICHIKAWA, Haruyoshi OKADA, Seiji FUKAMIZU, Shuhei NAMBA
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Publication number: 20210373182Abstract: A radiation imaging device according to one embodiment includes a radiation detection panel having a first surface on which a detection region is formed, and a second surface on a side opposite to the first surface, a base substrate having a support surface configured to face the second surface and configured to support the radiation detection panel, and a flexible circuit substrate connected to the radiation detection panel, wherein an end portion of the base substrate corresponding to a portion to which the flexible circuit substrate is connected is located further inward than an end portion of the radiation detection panel when seen in a first direction orthogonal to the support surface, and the base substrate has a protruding portion which protrudes further outward than the radiation detection panel at a position at which the base substrate does not overlap the flexible circuit substrate when seen in the first direction.Type: ApplicationFiled: October 9, 2019Publication date: December 2, 2021Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Ryuji KYUSHIMA, Kazuki FUJITA, Junichi SAWADA, Takao ARITAKE, Minoru ICHIKAWA, Haruyoshi OKADA, Seiji FUKAMIZU, Shuhei NAMBA
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Publication number: 20210343778Abstract: A radiation imaging device according to one embodiment includes a radiation detection panel having a first surface on which a detection region is formed and an electrode pad is formed outside the detection region, and a second surface on a side opposite to the first surface, a base substrate having a support surface configured to face the second surface of the radiation detection panel and configured to support the radiation detection panel, and a flexible circuit substrate connected to the electrode pad via a connecting member, wherein an end portion of the base substrate is located further inward than an inner end portion of the connection region in which the electrode pad, the connecting member, and the flexible circuit substrate overlap each other when seen in an Z direction orthogonal to the support surface.Type: ApplicationFiled: October 9, 2019Publication date: November 4, 2021Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Ryuji KYUSHIMA, Kazuki FUJITA, Junichi SAWADA, Takao ARITAKE, Minoru ICHIKAWA, Haruyoshi OKADA, Seiji FUKAMIZU, Shuhei NAMBA
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Patent number: 11139293Abstract: The present embodiment relates to a photon detector which includes a preamplifier having a structure capable of preventing saturation of an amplifier. The preamplifier includes an amplifier, and further includes a capacitive element, an n-type MOSFET, and a p-type MOSFET disposed on a plurality of wirings electrically connecting the input end side and the output end side of the amplifier. A control electrode of the n-type MOSFET is set to a first fixed potential V1, while a control electrode of the p-type MOSFET is set to a second fixed potential V2.Type: GrantFiled: November 16, 2017Date of Patent: October 5, 2021Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Minoru Ichikawa, Kazuki Fujita
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Publication number: 20200066715Abstract: The present embodiment relates to a photon detector which includes a preamplifier having a structure capable of preventing saturation of an amplifier. The preamplifier includes an amplifier, and further includes a capacitive element, an n-type MOSFET, and a p-type MOSFET disposed on a plurality of wirings electrically connecting the input end side and the output end side of the amplifier. A control electrode of the n-type MOSFET is set to a first fixed potential V1, while a control electrode of the p-type MOSFET is set to a second fixed potential V2.Type: ApplicationFiled: November 16, 2017Publication date: February 27, 2020Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Minoru ICHIKAWA, Kazuki FUJITA
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Patent number: 9909921Abstract: An adding unit adds an input signal generated in a signal generating unit connected to a specific pixel electrode portion out of pixel electrode portions arranged around a certain pixel electrode portion to an input signal generated in a signal generating unit connected to the certain pixel electrode portion. A discriminating unit discriminates whether a carrier input pattern coincides with any one of a plurality of discrimination patterns, and the carrier input pattern indicates, per the pixel electrode portion, presence of any carrier received in the certain pixel electrode portion and the pixel electrode portions arranged around the certain pixel electrode portion. The counting unit increments the number of photons in the case where the discriminating unit discriminates that the carrier input pattern coincides with any one of the discrimination patterns and further the input signal output from the adding unit after addition has a value exceeding a predetermined threshold.Type: GrantFiled: November 18, 2014Date of Patent: March 6, 2018Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Minoru Ichikawa, Kazuki Fujita, Harumichi Mori
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Patent number: 9761631Abstract: A radiation image sensor includes a charge generation section and, a circuit board accumulating and transferring charge generated in the charge generation section. The circuit board includes a semiconductor substrate, a capacitive section accumulating the charge generated in the charge generation section, and a MOS transistor in the semiconductor substrate. The MOS transistor includes one end connected to the capacitive section and another end connected to a wire transferring the charge. The capacitive section includes a partial region of the semiconductor substrate, a conductor layer disposed on the partial region and electrically connected to the charge generation section, and an insulating layer interposed between the partial region and the conductor layer.Type: GrantFiled: November 28, 2014Date of Patent: September 12, 2017Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kazuki Fujita, Minoru Ichikawa, Harumichi Mori
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Publication number: 20160315108Abstract: A radiation image sensor includes a charge generation section and, a circuit board accumulating and transferring charge generated in the charge generation section. The circuit board includes a semiconductor substrate, a capacitive section accumulating the charge generated in the charge generation section, and a MOS transistor in the semiconductor substrate. The MOS transistor includes one end connected to the capacitive section and another end connected to a wire transferring the charge. The capacitive section includes a partial region of the semiconductor substrate, a conductor layer disposed on the partial region and electrically connected to the charge generation section, and an insulating layer interposed between the partial region and the conductor layer.Type: ApplicationFiled: November 28, 2014Publication date: October 27, 2016Inventors: Kazuki FUJITA, Minoru ICHIKAWA, Harumichi MORI
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Publication number: 20160305818Abstract: An adding unit adds an input signal generated in a signal generating unit connected to a specific pixel electrode portion out of pixel electrode portions arranged around a certain pixel electrode portion to an input signal generated in a signal generating unit connected to the certain pixel electrode portion. A discriminating unit discriminates whether a carrier input pattern coincides with any one of a plurality of discrimination patterns, and the carrier input pattern indicates, per the pixel electrode portion, presence of any carrier received in the certain pixel electrode portion and the pixel electrode portions arranged around the certain pixel electrode portion. The counting unit increments the number of photons in the case where the discriminating unit discriminates that the carrier input pattern coincides with any one of the discrimination patterns and further the input signal output from the adding unit after addition has a value exceeding a predetermined threshold.Type: ApplicationFiled: November 18, 2014Publication date: October 20, 2016Inventors: Minoru ICHIKAWA, Kazuki FUJITA, Harumichi MORI
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Patent number: 5600306Abstract: An electrical receptacle unit includes at least one receptacle body (3) internally provided with a pair of slotted terminals (4) for insertion of a pair of blades (L) of a load-side electrical plug (P), a thermistor (7) encased in a protective tube (9) outwardly projectable from between the slotted terminals (4) of the receptacle body (3), a coil spring (13) for projecting the thermistor (7) out from the receptacle body (3), a relay (14) for enabling and disabling supply of electric power to the slotted terminals (4), a control circuit (19) which operates the relay (14) to cut off supply of electric power to the slotted terminals (4) when the temperature of the thermistor (7) reaches or exceeds a preset temperature, and a buzzer (23) operated by an output signal produced by the control circuit (19) when the temperature of the thermistor (7) reaches or exceeds the preset temperature.Type: GrantFiled: October 12, 1995Date of Patent: February 4, 1997Assignee: Nisso Industry Co., Ltd.Inventors: Minoru Ichikawa, Teruhiko Ishinaka
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Patent number: D366350Type: GrantFiled: December 10, 1993Date of Patent: January 16, 1996Assignee: Nisso Industry Co., Ltd.Inventor: Minoru Ichikawa
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Patent number: D366735Type: GrantFiled: December 10, 1993Date of Patent: January 30, 1996Assignee: Nisso Industry Co., Ltd.Inventor: Minoru Ichikawa
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Patent number: D397520Type: GrantFiled: October 22, 1996Date of Patent: August 25, 1998Assignee: Nisso Industry Co., Ltd.Inventor: Minoru Ichikawa