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Daisuke Ueda

Daisuke Ueda, Kyoto JP

Patent application numberDescriptionPublished
20110037101SEMICONDUCTOR DEVICE - A semiconductor device includes an undoped GaN layer (02-17-2011

Daisuke Ueda, Nagoya-Shi JP

Patent application numberDescriptionPublished
20100327486Manufacturing Method of Cylindrical Member and Manufacturing Method of Vibration Damping Rubber Bushing Having the Cylindrical Member - A method of manufacturing a cylindrical member having anti-slip projections formed on axial end faces, the method comprising the steps of: employing a roller die, which is provided with a circumferential die groove of annular form extending through a medial section in a generatrix direction of a die face defined by an integral tapered outside peripheral face, and with a plurality of sloping die grooves extending in a tapered slope direction of the die face situated to both large-diameter and small-diameter sides of the circumferential die groove; providing plastic working to the axial end face with the small-diameter side of the roller die facing towards an inner peripheral side of the cylindrical member and with the large-diameter side facing towards an outer peripheral side, by pushing the die face against the axial end face while rotating circumferentially; and forming simultaneously an annular water barrier projection and the anti-slip projections.12-30-2010

Daisuke Ueda, Tokyo JP

Patent application numberDescriptionPublished
20080315502Feeding apparatus, and image forming apparatus incorporating feeding apparatus - A feeding apparatus including a feeding roller for conveying a sheet, a separation roller for conveying the sheet in a reverse direction, a transmission mechanism for transmitting the rotational force to the feeding roller, a limited force reverse transmission mechanism for transmitting the rotational force to the separation roller through a torque limiter, a forced reverse transmission mechanism for directly transmitting the rotational force to the separation roller, a temperature detector and a controller, wherein the controller controls the separation roller to receive rotational force through the forced reverse transmission mechanism after the limited force reverse transmission mechanism transmits the rotational force to the separation roller, then allows the limited force reverse transmission mechanism to transmit the rotational force to the separation roller, or to rotate the feeding via the transmission mechanism and the limited force transmission mechanism to transmit the rotational force to the separation roller.12-25-2008
20080315511Feeding apparatus, and image forming apparatus incorporating feeding apparatus - A feeding apparatus including a feeding roller for conveying a sheet, a separation roller for conveying the sheet in a reverse direction, a transmission mechanism for transmitting the rotational force to the feeding roller, a limited force reverse transmission mechanism for transmitting the rotational force to the separation roller through a torque limiter, a forced reverse transmission mechanism for directly transmitting the rotational force to the separation roller, a temperature detector and a controller, wherein the controller controls the separation roller to receive rotational force through the forced reverse transmission mechanism after the limited force reverse transmission mechanism transmits the rotational force to the separation roller, then allows the limited force reverse transmission mechanism to transmit the rotational force to the separation roller, or to rotate the feeding via the transmission mechanism and the limited force transmission mechanism to transmit the rotational force to the separation roller.12-25-2008
20090121410SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS PROVIDED THEREWITH - A sheet feeding device includes: a sheet feeding tray adapted to stack a sheet bundle including a plurality of sheets thereon; a blowing section which blows air against a leading edge of the sheet bundle in a sheet conveyance direction from a front side of the sheet conveyance direction; a sticking and conveying section which sticks an uppermost sheet stacked on the sheet feeding tray by air sucking, and feeds the uppermost sheet to a conveyance roller; a sucking duct provided inside the sticking and conveying section, which is divided into a plurality of ducts in the sheet conveyance direction; and an intercepting member which intercepts at least one of the plurality of divided ducts.05-14-2009
20090289410SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS PROVIDED WITH SHEET FEEDING APPARATUS - A sheet feeding apparatus is provided with a sheet feeding device 11-26-2009
20100148425SHEET FEEDING DEVICE, SHEET FEEDING UNIT AND IMAGE FORMING APPARATUS CONNECTED WITH THE SHEET FEEDING UNIT - A sheet feeding device includes: a sucking and conveying mechanism having a suction surface, which sucks sheets stacked on a sheet stacking table, from an upper surface of the sheets, sucks an uppermost sheet to be sucked on the suction surface, and conveys the uppermost sheet onto a sheet conveyance path; a floating air blowing mechanism which blows floating air against the sheets from a side surface of the stacked sheets; a sheet position detecting sensor which detects an upper surface height position of the sheets stacked, and detects a floating state of the sheets floated; and a controller which judges the floating state of the sheets detected in a floating state detecting period in connection with a blowing of the floating air, and controls an air volume of floating air blown from the floating air blowing mechanism based on the floating state of the sheets.06-17-2010
20100264577SHEET FEEDING APPARATUS AND IMAGE FORMING APPARATUS - A sheet feeding apparatus which includes a sheet loading tray for stacking sheets; a suction and conveyance section which is placed above stacked sheets on the sheet loading tray and sucks and conveys a sheet in the sheet conveying direction; an air blowing section which blows air at the stacked sheets on the sheet loading tray and causes the sheet to float up; and a skew correction section which corrects a skew of the sheet conveyed by the suction and conveyance section.10-21-2010

Patent applications by Daisuke Ueda, Tokyo JP

Daisuke Ueda, Owariasahi-Shi JP

Patent application numberDescriptionPublished
20100212561Sewing machine - A sewing machine including a presser foot that presses a workpiece, a presser bar that has a lower end allowing detachable attachment of the presser foot; a presser bar vertically moving mechanism that moves the presser bar up and down; a presser bar driver that drives the presser bar vertically moving mechanism; a needle plate that has an upper surface for placing the workpiece; a projecting element that is detachably attached to the presser bar and that is driven up and down with the presser bar as the presser bar is driven up and down by the presser bar driver through the presser bar vertically moving mechanism to form embosses on the workpiece by downwardly pressing the workpiece; and a receiving section that is provided on the upper surface of the needle plate that opposes the projecting element to receive a tip of the projecting element.08-26-2010
20100212562Workpiece processing attachment and sewing machine - A workpiece processing attachment detachably attached to a sewing machine including a presser foot, a presser bar having the presser foot detachably attached to its lower end, a presser bar vertically moving mechanism, a sewing needle, a needle clamp having the sewing needle detachably attached thereto, a needle bar having the needle clamp attached thereto, and a needle bar vertically moving mechanism, the workpiece processing attachment, including a body detachably attached to the lower end of the presser bar; a connecting element capable of being connected to the needle clamp and movable up and down with the needle bar being moved up and down by the needle bar vertically moving mechanism; a needle penetrating the workpiece to form a hole in the workpiece; and a needle vertically moving mechanism moving the needle up and down by the up and down movement of the connecting element.08-26-2010

Daisuke Ueda, Hachioji-Shi, JP

Patent application numberDescriptionPublished
20090121411SHEET FEEDING DEVICE AND IMAGE FORMING APPARATUS - A sheet feeding device, having: a sheet feeding tray which stacks a paper sheet bundle formed by a plurality of sheets; a first blower which blows air to a side edge of the paper sheet bundle stacked on the sheet feeding tray; a second blower which blows air to a leading edge of the paper sheet bundle in a sheet conveyance direction from a forward side of the paper sheet bundle in the sheet conveyance direction; and an adsorption conveyance section which adsorbs a topmost sheet of the paper sheet bundle stacked on the sheet feeding tray and conveys the topmost sheet, wherein a first area in which the adsorption conveyance section is provided, and a second area in which a ventilation port of the first blower is provided, respectively includes an overlapping area in which the first area and the second area overlap on the sheet conveyance direction.05-14-2009