Patents by Inventor Seiji Fujita
Seiji Fujita 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: 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: 11890372Abstract: The present invention provides an infusion preparation that is inhibited from generation of unwanted insoluble matter after mixing of two liquids of the infusion preparation in long-term storage. More specifically, the present invention provides an infusion preparation comprising two chambers separated by a communicably openable partition, a first chamber containing a first-chamber infusion comprising a fat emulsion and further comprising at least one member selected from the group consisting of amino acids that have a buffer action, divalent organic acids, and trivalent organic acids, a second chamber containing a second-chamber infusion comprising an amino acid and at least calcium as an electrolyte, wherein a total concentration of the amino acids that have a buffer action, divalent organic acids, and trivalent organic acids in the first-chamber infusion is 0.15 to 0.5 g/L, and a mixture of the first- and second-chamber infusions has a pH of 6.Type: GrantFiled: March 13, 2019Date of Patent: February 6, 2024Assignee: OTSUKA PHARMACEUTICAL FACTORY, INC.Inventors: Seiji Tani, Seiji Fujita, Teru Nakai, Yasuhiro Kiuchi, Miyuki Yamanaka, Yui Hayashi, Hiroshi Kanno, Yu Saruwatari
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Publication number: 20240039481Abstract: An amplifier includes an amplifier circuit 10 having a characteristic changing in accordance with a thermal history, and a bias circuit 20 that includes an element subjected to a thermal history corresponding to the thermal history of the amplifier circuit, and supplies a bias voltage to the amplifier circuit. The bias voltage changes based on a characteristic of the element that changes in accordance with the thermal history of the element.Type: ApplicationFiled: October 5, 2021Publication date: February 1, 2024Applicant: Sumitomo Electric Device Innovations, Inc.Inventor: Seiji FUJITA
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Publication number: 20230327163Abstract: An electrolyte sheet for solid oxide fuel cells that includes a ceramic plate body including ceramic grains containing sintered zirconia, wherein the ceramic grains have a number-based cumulative particle size distribution with a difference of 2.5 ?m or more between a particle size D90 at a 90% cumulative probability and a particle size D10 at a 10% cumulative probability.Type: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Inventors: Seiji FUJITA, Hiroaki YAMADA
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Patent number: 11037729Abstract: A ceramic electronic component that includes a plurality of ceramic layers which are stacked together, and an internal conductor layer disposed between two adjacent ceramic layers among the plurality of ceramic layers, and in which a ceramic layer that is adjacent to the internal conductor layer includes a plurality of pores.Type: GrantFiled: March 8, 2019Date of Patent: June 15, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Seiji Fujita
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Patent number: 11011441Abstract: A multilayer ceramic substrate that includes a first layer positioned at a surface of the multilayer ceramic substrate, a second layer adjacent the first layer and positioned inward of the first layer, and a surface layer electrode disposed on a surface of the first layer. The first layer has a porosity of 13% or less and a maximum pore size of 10 ?m or less. The second layer has a porosity of 14% or less and a maximum pore size of 11 ?m or less.Type: GrantFiled: June 3, 2019Date of Patent: May 18, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Seiji Fujita
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Publication number: 20210007975Abstract: The present invention provides an infusion preparation that is inhibited from generation of unwanted insoluble matter after mixing of two liquids of the infusion preparation in long-term storage. More specifically, the present invention provides an infusion preparation comprising two chambers separated by a communicably openable partition, a first chamber containing a first-chamber infusion comprising a fat emulsion and further comprising at least one member selected from the group consisting of amino acids that have a buffer action, divalent organic acids, and trivalent organic acids, a second chamber containing a second-chamber infusion comprising an amino acid and at least calcium as an electrolyte, wherein a total concentration of the amino acids that have a buffer action, divalent organic acids, and trivalent organic acids in the first-chamber infusion is 0.15 to 0.5 g/L, and a mixture of the first- and second-chamber infusions has a pH of 6.Type: ApplicationFiled: March 13, 2018Publication date: January 14, 2021Applicant: OTSUKA PHARMACEUTICAL FACTORY, INC.Inventors: Seiji TANI, Seiji FUJITA, Teru NAKAI, Yasuhiro KIUCHI, Miyuki YAMANAKA, Yui HAYASHI, Hiroshi KANNO, Yu SARUWATARI
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Patent number: 10854385Abstract: A method for producing a ceramic substrate that includes a substrate body having ceramic layers and columnar projecting electrodes on a first primary surface of the substrate body. The method includes a step of preparing electrode formation sheets for forming the projecting electrodes, a step of perforating the electrode formation sheets with through holes and filling the through holes with a first electrically conductive paste containing a first electrically conductive powder, a step of building a composite multilayer body by stacking ceramic green sheets and the electrode formation sheets on a first primary surface of the stack of ceramic green sheets. The first electrically conductive powder contains electrically conductive metal(s) and anti-sintering ceramic(s) that controls the sintering of particles of the electrically conductive metal(s), with at least part of the surface of the particles of the electrically conductive metal(s) covered with the anti-sintering ceramic(s).Type: GrantFiled: March 17, 2020Date of Patent: December 1, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kumiko Ishikawa, Seiji Fujita, Tsutomu Sasaki
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Publication number: 20200219652Abstract: A method for producing a ceramic substrate that includes a substrate body having ceramic layers and columnar projecting electrodes on a first primary surface of the substrate body. The method includes a step of preparing electrode formation sheets for forming the projecting electrodes, a step of perforating the electrode formation sheets with through holes and filling the through holes with a first electrically conductive paste containing a first electrically conductive powder, a step of building a composite multilayer body by stacking ceramic green sheets and the electrode formation sheets on a first primary surface of the stack of ceramic green sheets. The first electrically conductive powder contains electrically conductive metal(s) and anti-sintering ceramic(s) that controls the sintering of particles of the electrically conductive metal(s), with at least part of the surface of the particles of the electrically conductive metal(s) covered with the anti-sintering ceramic(s).Type: ApplicationFiled: March 17, 2020Publication date: July 9, 2020Inventors: Kumiko ISHIKAWA, Seiji FUJITA, Tsutomu SASAKI
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Patent number: 10457608Abstract: A multilayer ceramic substrate that includes a surface layer portion positioned on an internal layer portion, and a surface layer electrode on a surface of the surface layer portion. The surface layer portion includes a first layer next to the internal layer portion, and the internal layer portion includes a second layer next to the first layer. The thermal expansion coefficient of the first layer is lower than the thermal expansion coefficient of the second layer. The first layer and the second layer each contain glass containing 40 weight % to 65 weight % of MO, where MO is at least one selected from CaO, MgO, SrO, and/or BaO); 35 weight % to 60 weight % of alumina, and 1 weight % to 10 weight % of at least one metal oxide selected from CuO and/or Ag2O.Type: GrantFiled: November 7, 2018Date of Patent: October 29, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Seiji Fujita
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Publication number: 20190295911Abstract: A multilayer ceramic substrate that includes a first layer positioned at a surface of the multilayer ceramic substrate, a second layer adjacent the first layer and positioned inward of the first layer, and a surface layer electrode disposed on a surface of the first layer. The first layer has a porosity of 13% or less and a maximum pore size of 10 ?m or less. The second layer has a porosity of 14% or less and a maximum pore size of 11 ?m or less.Type: ApplicationFiled: June 3, 2019Publication date: September 26, 2019Inventor: Seiji Fujita
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Publication number: 20190206624Abstract: A ceramic electronic component that includes a plurality of ceramic layers which are stacked together, and an internal conductor layer disposed between two adjacent ceramic layers among the plurality of ceramic layers, and in which a ceramic layer that is adjacent to the internal conductor layer includes a plurality of pores.Type: ApplicationFiled: March 8, 2019Publication date: July 4, 2019Inventor: Seiji Fujita
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Patent number: 10308546Abstract: A multilayer ceramic substrate that includes a laminated structure including a surface layer portion located on a surface of the laminated structure and an inner layer portion located on the inner side of the laminated structure, the surface layer portion including a first layer adjacent to the inner layer portion, the inner layer portion including a second layer adjacent to the first layer. The thermal expansion coefficient of the first layer is lower than the thermal expansion coefficient of the second layer, a first glass contained in the first layer and a second glass contained in the second layer each contain 40% or more by weight MO (where M represents at least one selected from the group consisting of Ca, Mg, Sr, and Ba), and the difference in softening points between the first glass and the second glass is 60° C. or lower.Type: GrantFiled: May 23, 2018Date of Patent: June 4, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Seiji Fujita
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Publication number: 20190071365Abstract: A multilayer ceramic substrate that includes a surface layer portion positioned on an internal layer portion, and a surface layer electrode on a surface of the surface layer portion. The surface layer portion includes a first layer next to the internal layer portion, and the internal layer portion includes a second layer next to the first layer. The thermal expansion coefficient of the first layer is lower than the thermal expansion coefficient of the second layer. The first layer and the second layer each contain glass containing 40 weight % to 65 weight % of MO, where MO is at least one selected from CaO, MgO, SrO, and/or BaO); 35 weight % to 60 weight % of alumina, and 1 weight % to 10 weight % of at least one metal oxide selected from CuO and/or Ag2O.Type: ApplicationFiled: November 7, 2018Publication date: March 7, 2019Inventor: Seiji Fujita
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Patent number: 10090816Abstract: A two-stage amplifier of a type of the current re-use configuration is disclosed. The amplifier includes first to third transistors, where the first transistor constitute the first stage, while, the latter two transistors constitute the second stance. The first to third transistors are connected in series between a power supply and ground such that a bias current supplied to the third transistor flows in the second and first transistors. The first transistor in the source thereof is grounded in the DC mode. The second transistor is grounded in the AC mode but floated in the DC mode. The third transistor that outputs an amplified signal is connected in parallel in the AC mode but in series in the DC mode with respect to the second transistor.Type: GrantFiled: March 29, 2017Date of Patent: October 2, 2018Assignee: Sumitomo Electric Industries, Ltd.Inventors: Seiji Fujita, Tsuneo Tokumitsu
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Publication number: 20180273420Abstract: A multilayer ceramic substrate that includes a laminated structure including a surface layer portion located on a surface of the laminated structure and an inner layer portion located on the inner side of the laminated structure, the surface layer portion including a first layer adjacent to the inner layer portion, the inner layer portion including a second layer adjacent to the first layer. The thermal expansion coefficient of the first layer is lower than the thermal expansion coefficient of the second layer, a first glass contained in the first layer and a second glass contained in the second layer each contain 40% or more by weight MO (where M represents at least one selected from the group consisting of Ca, Mg, Sr, and Ba), and the difference in softening points between the first glass and the second glass is 60° C. or lower.Type: ApplicationFiled: May 23, 2018Publication date: September 27, 2018Inventor: SEIJI FUJITA
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Publication number: 20170288623Abstract: A two-stage amplifier of a type of the current re-use configuration is disclosed. The amplifier includes first to third transistors, where the first transistor constitute the first stage, while, the latter two transistors constitute the second stance. The first to third transistors are connected in series between a power supply and ground such that a bias current supplied to the third transistor flows in the second and first transistors. The first transistor in the source thereof is grounded in the DC mode. The second transistor is grounded in the AC mode but floated in the DC mode. The third transistor that outputs an amplified signal is connected in parallel in the AC mode but in series in the DC mode with respect to the second transistor.Type: ApplicationFiled: March 29, 2017Publication date: October 5, 2017Inventors: Seiji Fujita, Tsuneo Tokumitsu
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Patent number: 9607765Abstract: A composition for ceramic substrates that includes a mixture of borosilicate glass powder and ceramic powder. The borosilicate glass powder contains 4% to 8% by weight B2O3, 38% to 44% by weight SiO2, 3% to 10% by weight Al2O3, and 40% to 48% by weight MO, where MO is at least one selected from CaO, MgO, and BaO. The mixing proportions of the borosilicate glass powder and the ceramic powder are 50% to 56% by weight the borosilicate glass powder and 50% to 44% by weight the ceramic powder. The ceramic powder has an average particle diameter D50 of 0.4 to 1.5 ?m.Type: GrantFiled: November 30, 2015Date of Patent: March 28, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kazuo Kishida, Seiji Fujita, Yuichi Iida
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Patent number: 9543630Abstract: An electronic device comprises a divider and a first filter. The divider comprises a first terminal for inputting a high-frequency signal, a second terminal coupled to the first terminal, and third and fourth terminals for distributing thereto the signal inputted from the first terminal. The first filter is coupled to the second terminal.Type: GrantFiled: June 11, 2015Date of Patent: January 10, 2017Assignees: Sumitomo Electric Industries, Ltd., Sumitomo Electric Device Innovations, Inc.Inventors: Tsuneo Tokumitsu, Koji Tsukashima, Seiji Fujita
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Publication number: 20160086732Abstract: A composition for ceramic substrates that includes a mixture of borosilicate glass powder and ceramic powder. The borosilicate glass powder contains 4% to 8% by weight B2O3, 38% to 44% by weight SiO2, 3% to 10% by weight Al2O3, and 40% to 48% by weight MO, where MO is at least one selected from CaO, MgO, and BaO. The mixing proportions of the borosilicate glass powder and the ceramic powder are 50% to 56% by weight the borosilicate glass powder and 50% to 44% by weight the ceramic powder. The ceramic powder has an average particle diameter D50 of 0.4 to 1.5 ?m.Type: ApplicationFiled: November 30, 2015Publication date: March 24, 2016Inventors: Kazuo Kishida, Seiji Fujita, Yuichi Iida