Patents by Inventor Hiromasa SAEKI
Hiromasa SAEKI 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: 20250074065Abstract: A liquid ejection apparatus includes: a liquid ejection head configured to eject a liquid onto a recording medium; a liquid container having a filling port allowing the liquid to be poured through the filling port, the liquid container being configured to contain the liquid to be supplied to the liquid ejection head; a cap held by a first operation portion capable of moving pivotally about a first pivotal shaft, the cap being movable to a closing position where the cap closes the filling port and to an opening position where the cap opens the filling port; and a second operation portion configured to move the first operation portion from the closing position to the opening position.Type: ApplicationFiled: August 27, 2024Publication date: March 6, 2025Inventors: TAIJI MARUYAMA, HIDEAKI MATSUMURA, TSUYOSHI SAEKI, NORIO SAKURAI, SHOTA ASADA, HIROMASA TSUTSUMI, YUSUKE NARATANI, MIKU YAMAZAKI, NOBUHIRO TOKI, ERIKA IYAMA
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Publication number: 20250065635Abstract: An apparatus includes a tank and a wall. The tank includes a tank container and a film. The tank container includes a chamber. The chamber is capable of containing a liquid to be supplied to an ejection head configured to eject the liquid. The chamber has an opening at a side face of the tank container. An outline of the opening is enclosed by a first rib. The film seals the opening. The wall is disposed at a position of facing the film, and includes a protruding portion protruding toward the film. The protruding portion faces a second rib provided on the tank container, apart from the first rib. The protruding portion does not face the first rib.Type: ApplicationFiled: August 20, 2024Publication date: February 27, 2025Inventors: SHOTA ASADA, HIDEAKI MATSUMURA, TSUYOSHI SAEKI, NORIO SAKURAI, TAIJI MARUYAMA, HIROMASA TSUTSUMI, YUSUKE NARATANI
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Patent number: 12218517Abstract: A wireless power transmission system includes a structure entirely surrounded by an electromagnetic wave shielding member having appropriate electrical conductivity and appropriate frequency selectivity; at least one power receiving unit; at least one power transmission unit; and at least one resonance frequency adjuster. The resonance frequency adjuster includes at least one conductive protrusion having an open end and a transmission line connected to another end of the conductive protrusion at one end of the transmission line, wherein the open end of the conductive protrusion is arranged inside the structure, and the transmission line is electrically connected to the electromagnetic wave shielding member defining a wall surface of the structure at another end not connected to the conductive protrusion.Type: GrantFiled: August 1, 2023Date of Patent: February 4, 2025Assignees: Murata Manufacturing Co., Ltd., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGYInventors: Hiromasa Saeki, Masaya Tamura, Suzuka Akai
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Publication number: 20250033365Abstract: Provided is a printing apparatus, including: multiple tanks that are arrayed in a first direction and store a liquid, in which a first tank, which is one of the multiple tanks, includes a first regulation portion that regulates movement of a second tank, which is out of other tanks and is not adjacent to the first tank.Type: ApplicationFiled: July 20, 2024Publication date: January 30, 2025Inventors: NORIO SAKURAI, TSUYOSHI SAEKI, TAIJI MARUYAMA, HIROMASA TSUTSUMI, YUSUKE NARATANI, SHOTA ASADA, HIDEAKI MATSUMURA
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Publication number: 20250033368Abstract: An embodiment is a liquid container mounted on a liquid consumption apparatus including a liquid ejection head for ejecting a liquid and configured to store the liquid to be supplied to the liquid ejection head. The liquid container includes: a tank chamber to store the liquid; an inlet port which is provided above the tank chamber and into which the liquid is poured; and an outlet port which is provided to face the inside of the tank chamber and from which the liquid from the inlet port is discharged after moving through a channel with air-liquid exchange. Provided that a depth direction is a direction crossing a height direction and a right-left direction of the liquid consumption apparatus, the depth-direction center position of the outlet port is closer to the center of the tank chamber than the depth-direction center position of the inlet port is.Type: ApplicationFiled: June 28, 2024Publication date: January 30, 2025Inventors: TSUYOSHI SAEKI, HIDEAKI MATSUMURA, NORIO SAKURAI, SHOTA ASADA, TAIJI MARUYAMA, HIROMASA TSUTSUMI, YUSUKE NARATANI, NOBUHIRO TOKI, ERIKA IYAMA
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Publication number: 20250033366Abstract: A conveyance unit configured to convey a print medium in a first direction; a printing unit configured to perform printing by ejecting ink onto the print medium conveyed by the conveyance unit; a first tank configured to store ink to be supplied to the printing unit; and a second tank configured to be installed side by side with the first tank in a second direction intersecting the first direction, and to be formed so that a storage chamber that stores ink to be supplied to the printing unit overlaps with the first tank as viewed from the first direction are included, and the storage chamber overlaps with the first tank as viewed from a third direction intersecting the first direction and the second direction.Type: ApplicationFiled: July 20, 2024Publication date: January 30, 2025Inventors: HIDEAKI MATSUMURA, YUSUKE NARATANI, ERIKA IYAMA, TAIJI MARUYAMA, HIROMASA TSUTSUMI, TSUYOSHI SAEKI, SHOTA ASADA, NORIO SAKURAI, NOBUHIRO TOKI
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Publication number: 20240413665Abstract: A wireless power transfer system includes a cavity resonator entirely surrounded by an electromagnetic wave shielding member having appropriate conductivity and frequency selectivity; at least one power reception unit; at least one power transmission unit; and at least one resonator (e.g., a resonant network). In an equivalent circuit of the wireless power transfer system from a power transmission circuit of the power transmission unit to a power reception circuit of the power reception unit, N (N?2) resonators including the cavity resonator are connected in series via an inverter on a power transmission route from the power transmission circuit to the power reception circuit.Type: ApplicationFiled: August 14, 2024Publication date: December 12, 2024Applicants: Murata Manufacturing Co., Ltd., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGYInventors: Hiromasa SAEKI, Masaya TAMURA, Yoshinobu TAMURA, Suzuka AKAI
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Publication number: 20240322779Abstract: A noise elimination circuit includes a coupling line and a resonance unit, and is connected between a first transmission line and a second transmission line to eliminate noise between the first and second transmission lines. The coupling line is connected to the first and second transmission lines. The resonance unit includes a plurality of resonance circuits connected in parallel to the coupling line. A band pass filter includes the coupling line and the resonance unit. A real part and an imaginary part of an admittance between the transmission lines are canceled out by the noise elimination circuit.Type: ApplicationFiled: June 5, 2024Publication date: September 26, 2024Inventors: Hiromasa SAEKI, Masaya TAMURA, Masaya TAKAGI
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Publication number: 20240106277Abstract: A wireless power transmission system includes a structure surrounded as a whole by an electromagnetic wave-shielding member having an appropriate conductivity, at least one power transmission unit, and at least one power reception unit. A power reception unit includes a power receiver including a dielectric substrate, a rectifier circuit, and a power reception antenna. The power reception antenna includes power reception antenna lines in a same plane on the dielectric substrate. One ends of the power reception antenna lines are connected to the rectifier circuit, and other ends different from the one ends connected to the rectifier circuit are open ends. A planar shape of the dielectric substrate is a 2N-sided polygon with line symmetry (where N is an integer of two or more), and the power reception antenna lines are along N sides that are adjacent to and different from each other of the dielectric substrate.Type: ApplicationFiled: December 4, 2023Publication date: March 28, 2024Applicant: Murata Manufacturing Co., Ltd.Inventor: Hiromasa SAEKI
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Publication number: 20240022114Abstract: A wireless power transmission system includes a structure entirely surrounded by an electromagnetic wave shielding member having appropriate conductivity, at least one power transmission unit and at least one power reception unit. The power reception unit is composed of a power receiver including, for example, a power reception antenna wiring line and a rectifier circuit. The power reception antenna wiring line has a wiring structure of two lines which are formed in the same plane and each of which has one end connected to the rectifier circuit, the other ends thereof being open ends which face each other, and the power reception antenna wiring line has a plurality of bent portions in the above wiring structure.Type: ApplicationFiled: July 31, 2023Publication date: January 18, 2024Applicant: Murata Manufacturing Co., Ltd.Inventor: Hiromasa SAEKI
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Publication number: 20230378814Abstract: A wireless power transmission system includes a structure entirely surrounded by an electromagnetic wave shielding member having appropriate electrical conductivity and appropriate frequency selectivity; at least one power receiving unit; at least one power transmission unit; and at least one resonance frequency adjuster. The resonance frequency adjuster includes at least one conductive protrusion having an open end and a transmission line connected to another end of the conductive protrusion at one end of the transmission line, wherein the open end of the conductive protrusion is arranged inside the structure, and the transmission line is electrically connected to the electromagnetic wave shielding member defining a wall surface of the structure at another end not connected to the conductive protrusion.Type: ApplicationFiled: August 1, 2023Publication date: November 23, 2023Applicants: Murata Manufacturing Co., Ltd., NATIONAL UNIVERSITY CORPORATION TOYOHASHI UNIVERSITY OF TECHNOLOGYInventors: Hiromasa SAEKI, Masaya TAMURA, Suzuka AKAI
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Patent number: 11114242Abstract: A capacitor including a conductive metal base material having a porous part, a dielectric layer on the porous part, an upper electrode on the dielectric layer, and an oxide film on a surface of the conductive metal base material. The oxide film on the surface of the metal base material operates as an insulating layer between a lower electrode and an upper electrode, and the metal base material and the oxide film are preferably integrated so that separation of the insulating layer can be prevented, and a short circuit between the lower electrode and the upper electrode can be suppressed.Type: GrantFiled: September 16, 2019Date of Patent: September 7, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Takeo Arakawa, Hiromasa Saeki
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Patent number: 11081278Abstract: A capacitor including a conductive porous base material having a plurality of pores, a dielectric layer on the conductive porous base material, an upper electrode on the dielectric layer, and an insulating material that extends into the plurality of pores.Type: GrantFiled: August 21, 2018Date of Patent: August 3, 2021Assignee: MURATA MANUFACTURING CO., LTD.Inventor: Hiromasa Saeki
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Patent number: 10679794Abstract: A plurality of first and second capacitor parts and second capacitor parts are formed on opposed main surfaces of a foil shaped conductive substrate to sandwich the conductive substrate. The first and second capacitor parts are respectively coated with insulative protection layers. Terminal electrodes are respectively formed on main surfaces of the protection layers. The terminal electrodes and conductive parts of the first and second capacitor parts are respectively electrically connected via first via conductors and the terminal electrodes and the conductive substrate 1 are electrically connected to second via conductors.Type: GrantFiled: November 14, 2018Date of Patent: June 9, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Yasuo Fujii, Hiromasa Saeki
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Patent number: 10658111Abstract: A capacitor having a conductive porous substrate with at least two electrostatic capacitance forming sections, each of the at least two electrostatic capacitance forming sections including a porous portion of the conductive porous substrate, a dielectric layer on the porous portion, and an upper electrode on the dielectric layer. The at least two electrostatic capacitance forming sections are electrically connected in series by the conductive porous substrate.Type: GrantFiled: January 8, 2018Date of Patent: May 19, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Kazuo Hattori, Noriyuki Inoue, Hiromasa Saeki, Kensuke Aoki, Ken Ito
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Patent number: 10546691Abstract: A capacitor that includes a conductive base material with high specific surface area, a dielectric layer covering the conductive base material with high specific surface area, and an upper electrode covering the dielectric layer, in which the conductive base material with high specific surface area is formed of a metal sintered body as a whole.Type: GrantFiled: February 5, 2018Date of Patent: January 28, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Noriyuki Inoue, Takeo Arakawa, Kensuke Aoki, Hiromasa Saeki, Koichi Kanryo, Akihiro Tsuru, Haruhiko Mori
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Publication number: 20200013552Abstract: A capacitor including a conductive metal base material having a porous part, a dielectric layer on the porous part, an upper electrode on the dielectric layer, and an oxide film on a surface of the conductive metal base material.Type: ApplicationFiled: September 16, 2019Publication date: January 9, 2020Inventors: Takeo Arakawa, Hiromasa Saeki
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Patent number: 10256045Abstract: A capacitor that includes a porous metal base material, a first buffer layer formed by an atomic layer deposition method on the porous metal base material, a dielectric layer formed by an atomic layer deposition method on the first buffer layer, and an upper electrode formed on the dielectric layer.Type: GrantFiled: July 13, 2016Date of Patent: April 9, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiromasa Saeki, Noriyuki Inoue, Takeo Arakawa, Naoki Iwaji
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Patent number: 10249434Abstract: A capacitor that includes a conductive porous substrate having a porous portion; a dielectric layer on the porous portion and containing an oxygen element and at least metal element; and an upper electrode on the dielectric layer. The porous portion has a path integral value of 1 ?m/?m2 to 16 ?m/?m2, and a porosity of 20% to 90%, and a ratio Z expressed by (1) below is 0.79 or more, Z = O d / M d O r / M r ( 1 ) where Od and Md respectively represent signal intensities of the oxygen element and the metal element when the dielectric layer is analyzed by energy dispersive X-ray spectroscopy (EDS), and where Or and Mr respectively represent signal intensities of the oxygen element and the metal element when a reference material having stoichiometric composition of the oxygen element and the at least one metal element constituting the dielectric layer is analyzed by the EDS.Type: GrantFiled: January 25, 2018Date of Patent: April 2, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiromasa Saeki, Mika Takada
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Patent number: 10249704Abstract: A capacitor that includes a conductive porous base material with a porous part; an upper electrode opposite the porous part, the upper electrode having, as its main constituent, a material selected from one of ruthenium, platinum, and an alloy of ruthenium and platinum; and a dielectric layer between the upper electrode and the conductive porous base material.Type: GrantFiled: August 4, 2016Date of Patent: April 2, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiromasa Saeki, Naoki Iwaji, Hiroshi Nakagawa, Junichi Yoshida