Patents by Inventor Yoichi Miyasaka
Yoichi Miyasaka 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: 20240131830Abstract: A method for manufacturing a display device includes applying an adhesive to a display panel having a display surface where an image is displayed and an opposite surface on an opposite side of the display surface, on the opposite surface, sprinkling a gap member of a given size on the opposite surface of the display panel to which the adhesive has been applied, and sticking together a board surface of a color separation element and the opposite surface of the display panel on which the gap member has been sprinkled, with the adhesive between the board surface and the opposite surface, the color separation element dispersing light from a light source and emitting a plurality of rays of separated light with wavelengths different from each other.Type: ApplicationFiled: October 12, 2023Publication date: April 25, 2024Inventors: Shuichi OSAWA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Yoshifumi KAMEI
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Publication number: 20240134223Abstract: A display device includes a display panel, a color separation element configured to disperse light from a light source and to emit, to the display panel, a plurality of rays of separated light with wavelengths different from each other, and an adhesive portion that contains a gap member of a given size and that bonds the display panel to the color separation element. The adhesive portion has a recessed portion that is separated from one of the display panel and the color separation element in side view.Type: ApplicationFiled: October 11, 2023Publication date: April 25, 2024Inventors: Shuichi OSAWA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Yoshifumi KAMEI
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Publication number: 20240134231Abstract: A display device includes a display panel, a color separation element configured to disperse light from a light source and to emit, to the display panel, a plurality of rays of separated light with wavelengths different from each other, and an outer adhesive portion that bonds a side surface of the display panel and the color separation element to each other over an entire perimeter of the display panel.Type: ApplicationFiled: October 11, 2023Publication date: April 25, 2024Inventors: Shuichi OSAWA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Koichi MIYASAKA, Yoshifumi KAMEI
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Publication number: 20240126395Abstract: According to an aspect, a detection device includes: drive electrodes; detection electrodes; and dummy electrodes in a floating state. The drive electrodes include a first electrode extending in a first direction, and a second electrode disposed at a predetermined interval from the first electrode in a second direction intersecting the first direction. The detection electrodes include a third electrode extending in the second direction. The dummy electrodes include a fourth electrode disposed at a predetermined interval from the third electrode in the first direction. The first electrode includes a first extension part, a second extension part, and a first coupling part. The second electrode includes a third extension part, a fourth extension part, and a second coupling part. The third electrode includes a fifth extension part, a sixth extension part, and a third coupling part. The fourth electrode includes a seventh extension part, and an eighth extension part.Type: ApplicationFiled: December 21, 2023Publication date: April 18, 2024Inventors: Koichi MIYASAKA, Yoshikatsu IMAZEKI, Yoichi KAMIJO, Shuichi OSAWA, Toshinori UEHARA
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Patent number: 11921386Abstract: According to one embodiment, a display device includes a display panel, a first wiring board mounted on the display panel, and a backlight unit located on a back surface side of the display panel to illuminate the display panel. The backlight unit includes a casing which includes a bottom plate including a first slit and a side plate standing at the bottom plate, and a light guide arranged in the casing. The first wiring board passes between the side plate and the light guide and through the first slit and is bent toward a back surface side of the casing.Type: GrantFiled: March 5, 2021Date of Patent: March 5, 2024Assignee: Japan Display Inc.Inventors: Yoshihiro Watanabe, Yoshikatsu Imazeki, Yoichi Kamijo, Koichi Miyasaka, Shuichi Osawa
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Patent number: 11890790Abstract: A pressing machine that applies heat and pressure to a press object transported in a first direction includes a first die having a first heater, a second die having a second heater and being disposed above the first die, a support member that supports the first die and the second die, and a movement mechanism that moves the support member from a first position to a second position located in a second direction intersecting the first direction from the first position, in which the first position is the position at which the first die and the second die apply heat and pressure to the press object and the second position is the position at which the first die and the second die do not face the press object.Type: GrantFiled: August 1, 2022Date of Patent: February 6, 2024Assignee: Seiko Epson CorporationInventor: Yoichi Miyasaka
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Patent number: 11891753Abstract: A fiber structure manufacturing apparatus including: an accumulation portion that accumulates a material containing a resin and a fiber in air to generate a fiber web; a transport portion that transports the generated fiber web in a transport direction; and a heating and pressurizing portion that pressurizes the transported fiber web with a heated lower flat plate and an upper flat plate to melt the resin, in which a liquid absorbent having a first region where pressurization by the heating and pressurizing portion is performed the predetermined number of times and a second region where the pressurization is performed more than a predetermined number of times is formed by alternately repeating transport at a predetermined pitch shorter than a length of the flat plate in the transport direction by the transport portion and the pressurization.Type: GrantFiled: May 20, 2021Date of Patent: February 6, 2024Assignee: Seiko Epson CorporationInventors: Kaneo Yoda, Yoshiyuki Nagai, Yoichi Miyasaka, Nobutaka Urano
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Patent number: 11814762Abstract: A fiber structure manufacturing apparatus includes: a defibration unit that pulverizes and defibrates a fiber raw material that contains fibers; a transportation unit that transports a defibrated material after defibration by the defibration unit; a melting-material mixing unit that mixes a melting material into the defibrated material transported by the transportation unit; a fibrous web forming unit that forms a fibrous web by causing a mixture of the defibrated material and the melting material to accumulate; a sheet supplying unit that supplies a shape retainer sheet to the fibrous web; and a heating-and-pressing mechanism that forms a fiber structure by heating and pressing the fibrous web after the shape retainer sheet is supplied; wherein the sheet supplying unit supplies the shape retainer sheet in such a state that nap is raised on a surface, of the shape retainer sheet, that is to be in contact with the fibrous web.Type: GrantFiled: June 1, 2021Date of Patent: November 14, 2023Assignee: Seiko Epson CorporationInventors: Toshiaki Yamagami, Yoichi Miyasaka
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Patent number: 11724414Abstract: A defibrated material manufacturing device is configured to defibrate a feedstock of clumps of shreds containing fiber into defibrated material. The defibrated material manufacturing device has a removal device, a metering device, storage device, and a defibrator. The removal device is configured to remove at least a part of foreign matter contained in the feedstock. The metering device is configured to measure the feedstock that has passed the removal device. The storage device is configured to store a measured feedstock measured by the metering device. The defibrator is configured to defibrate the measured feedstock supplied from the storage device into the defibrated material.Type: GrantFiled: July 30, 2018Date of Patent: August 15, 2023Assignee: Seiko Epson CorporationInventor: Yoichi Miyasaka
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Publication number: 20230045008Abstract: A pressing machine that applies heat and pressure to a press object transported in a first direction includes a first die having a first heater, a second die having a second heater and being disposed above the first die, a support member that supports the first die and the second die, and a movement mechanism that moves the support member from a first position to a second position located in a second direction intersecting the first direction from the first position, in which the first position is the position at which the first die and the second die apply heat and pressure to the press object and the second position is the position at which the first die and the second die do not face the press object.Type: ApplicationFiled: August 1, 2022Publication date: February 9, 2023Inventor: Yoichi MIYASAKA
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Patent number: 11491790Abstract: A liquid absorber includes a container and an absorbing unit. The container has an opening and collects a liquid. The absorbing unit is an assembly of porous absorbent blocks, each containing fibers and a polymeric absorbent, and is in the container with spaces between the porous absorbent blocks. Each of the porous absorbent blocks has a first component and a second component. The first component is porous and has a density of 0.05 [g/cm3] or more and 0.50 [g/cm3] or less. The second component has a higher polymeric absorbent content than the first component.Type: GrantFiled: December 2, 2020Date of Patent: November 8, 2022Assignee: Seiko Epson CorporationInventors: Naotaka Higuchi, Shogo Nakada, Yoichi Miyasaka, Kaneo Yoda, Nobutaka Urano
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Patent number: 11427005Abstract: A liquid absorber including a liquid absorbent body configured to include a small piece aggregate including a plurality of small pieces having a fiber base material containing a fiber and a water absorbent resin, and a container that includes a wall portion defining a storage space accommodating the liquid absorbent body, and a protrusion portion provided to protrude from the wall portion toward the storage space, in which when a minimum separation distance between a tip end of the protrusion portion and a structure different from the protrusion portion is L1, and an average value of a distance between farthest ends of the small piece is L2, 0<L1/L2?1.80 is satisfied.Type: GrantFiled: June 17, 2020Date of Patent: August 30, 2022Assignee: Seiko Epson CorporationInventor: Yoichi Miyasaka
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Patent number: 11427002Abstract: The liquid absorbing structure includes: a liquid absorber having a fiber and a water-absorbent resin capable of absorbing liquid; and a container having a supply port through which the liquid is supplied and a storage space in which the liquid absorber is stored. The liquid absorber contains a first liquid absorber and a second liquid absorber that are different in density of at least one of the fiber and the water-absorbent resin. The first liquid absorber and the second liquid absorber are disposed at different positions in the container.Type: GrantFiled: February 6, 2019Date of Patent: August 30, 2022Assignee: Seiko Epson CorporationInventor: Yoichi Miyasaka
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Patent number: 11376855Abstract: A liquid absorber includes a case, a first liquid absorption member stored in the case, and a second liquid absorption member stored in the case. The case has an opening. The first liquid absorption member absorbs a portion of a liquid. The second liquid absorption member absorbs a portion of the liquid. The second liquid absorption member is disposed adjacent to the first liquid absorption member and is closer to the opening than is the first liquid absorption member. The first liquid absorption member and the second liquid absorption member include fiber substrates and a liquid-absorbent resin, the liquid-absorbent resin being liquid-absorbent resin particles.Type: GrantFiled: July 29, 2020Date of Patent: July 5, 2022Assignee: Seiko Epson CorporationInventors: Shogo Nakada, Naotaka Higuchi, Yoichi Miyasaka
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Patent number: 11351788Abstract: A liquid absorber includes a container that has an opening and that recovers liquid and a first absorbing unit that is constituted by an aggregate of porous absorbing body blocks and that is housed in the container such that a gap exists between the porous absorbing body blocks. The porous absorbing body blocks have a density of 0.05 [g/cm3] or more and 0.50 [g/cm3] or less.Type: GrantFiled: October 26, 2020Date of Patent: June 7, 2022Assignee: Seiko Epson CorporationInventors: Yoichi Miyasaka, Nobutaka Urano, Kaneo Yoda
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Patent number: 11319674Abstract: A fibrous body manufacturing apparatus for manufacturing a fibrous body includes an accumulating section that accumulates a sheet-shaped fibrous material containing a plurality of fibers, a droplet discharging section that discharges, as droplets, a binding material that binds the fibers of the accumulated fibrous material to each other, and a control section which segments a region in which the liquid is dischargeable onto the fibrous material into a plurality of segments, generates discharge data in which discharge information on the liquid is set for every one of the plurality of segments, and causes the liquid to be discharged from the droplet discharging section toward the fibrous material based on the discharge data.Type: GrantFiled: October 9, 2020Date of Patent: May 3, 2022Assignee: Seiko Epson CorporationInventors: Tetsuya Aoyama, Yoichi Miyasaka, Kaneo Yoda
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Patent number: 11305954Abstract: A used paper supply device includes a first paper feed unit and a second paper feed unit for feeding used paper and cleaning unit for cleaning a surface of a roller of the paper feed units, in which when the used paper is fed from the first paper feed unit, the surface of the roller of the second paper feed unit is cleaned.Type: GrantFiled: February 2, 2018Date of Patent: April 19, 2022Assignee: Seiko Epson CorporationInventor: Yoichi Miyasaka
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Patent number: 11279135Abstract: An ink absorption member is provided which effectively prevents ink leakage from occurring even when the container storing the ink absorption member falls over. An ink absorption member is to be used to absorb ink. The ink absorption member includes a water-absorbent resin. In a mixture in which an ink is added to the ink absorption member in a ratio of 12 g of the ink to 0.24 g of the ink absorption member, the mixture has a viscosity of 5 Pa·s or greater and 100 Pa·s or less as measured 25 minutes after preparation of the mixture by using a tuning fork vibro viscometer. It is preferable that the water-absorbent resin be in the form of particles or a fiber.Type: GrantFiled: January 21, 2019Date of Patent: March 22, 2022Assignee: Seiko Epson CorporationInventor: Yoichi Miyasaka
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Publication number: 20220034030Abstract: A raw material supply device includes a transport section that transports a raw material containing fibers and supplies the raw material to a processing section that processes the raw material, a stopper that blocks transport of a portion of the raw material transported by the transport section; and a controller that controls an operation of the stopper to adjust a supply amount of the raw material to the processing section. Further, it is preferable that the raw material supply device further includes a fixed-amount supply section that intermittently supplies the raw material transported by the transport section to the processing section by a first amount.Type: ApplicationFiled: July 28, 2021Publication date: February 3, 2022Inventor: Yoichi MIYASAKA
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Publication number: 20210381144Abstract: A fiber structure manufacturing apparatus includes: a defibration unit that pulverizes and defibrates a fiber raw material that contains fibers; a transportation unit that transports a defibrated material after defibration by the defibration unit; a melting-material mixing unit that mixes a melting material into the defibrated material transported by the transportation unit; a fibrous web forming unit that forms a fibrous web by causing a mixture of the defibrated material and the melting material to accumulate; a sheet supplying unit that supplies a shape retainer sheet to the fibrous web; and a heating-and-pressing mechanism that forms a fiber structure by heating and pressing the fibrous web after the shape retainer sheet is supplied; wherein the sheet supplying unit supplies the shape retainer sheet in such a state that nap is raised on a surface, of the shape retainer sheet, that is to be in contact with the fibrous web.Type: ApplicationFiled: June 1, 2021Publication date: December 9, 2021Inventors: Toshiaki YAMAGAMI, Yoichi MIYASAKA