Patents by Inventor Hisashi Yamanaka
Hisashi Yamanaka 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: 20160344883Abstract: An image forming apparatus includes an image reading unit, an image forming unit, a discharge unit, and a discharge tray. The image reading unit is configured to read a document placed on a document placement table by moving and scanning of a scanning body in a sub-scanning direction. The image forming unit is configured to form an image read by the image reading unit on a paper sheet. The discharge unit is configured to discharge the paper sheet on which an image is formed by the image forming unit to a direction perpendicular to the sub-scanning direction. The discharge tray is on which the paper sheet from the discharge unit is to be placed with a space portion at a lower side of the image reading unit. A bottom surface of a housing of the image reading unit facing the discharge tray is constituted of a first surface and a second surface. The first surface is a surface at a front side of the discharge unit in a discharging direction and high with respect to the discharge tray.Type: ApplicationFiled: August 2, 2016Publication date: November 24, 2016Inventors: Kenji NAKANISHI, Masahiro IMOTO, Yasuhiro SUTO, Shohichi FUKUTOME, Hisashi YAMANAKA, Mitsuharu YOSHIMOTO
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Publication number: 20160323464Abstract: An image reading apparatus includes an image scanning unit that is provided with a holding portion holding a flexible flat cable. The holding portion is protruded toward an upstream side in a sub scanning direction, and provided with a second wall part. The flexible flat cable that is extended from a connector is brought into contact with the second wall part. As for the flexible flat cable, a downward movement is regulated by a lower holding portion and an upward movement is regulated by an upper holding portion. Accordingly, the flexible flat cable does not rise.Type: ApplicationFiled: July 11, 2016Publication date: November 3, 2016Inventors: Masahiro IMOTO, Yasuhiro SUTO, Hisashi YAMANAKA, Kenji NAKANISHI, Shohichi FUKUTOME, Kazuhiro IGUCHI
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Patent number: 9465359Abstract: Disclosed is an air blowing system including: an air blowing device; a duct that guides air blown by the air blowing device; and a ventilation section disposed downstream of the duct in terms of an air blowing direction in which air is blown by the air blowing device so that the air blown by the air blowing device strikes and passes through the ventilation section, wherein the duct has a distorted portion where a part of an inner wall face of the duct located between the air blowing device and the ventilation section is distorted perpendicular or substantially perpendicular to the air blowing direction so that the air blown by the air blowing device flows perpendicularly or substantially perpendicularly to the air blowing direction.Type: GrantFiled: April 30, 2015Date of Patent: October 11, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Masatsugu Hatanaka, Kiwamu Morita, Hisashi Yamanaka
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Publication number: 20160286068Abstract: An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided. An LED array and a reflective plate are disposed sandwiching a slit (St) through which light reflected by a document MS passes and a light-guiding member is disposed on the side of the LED array. The light-guiding member includes a direct emission unit disposed between an illumination range y centered on a document reading position and the LED array and an indirect emission unit disposed between the reflective plate and the LED array, a light incidence face of the direct emission unit and a light incidence face of the indirect emission unit are disposed at mutually different position around the LED array, and the LED array is disposed on a side of an interior angle formed by the light incidence faces.Type: ApplicationFiled: June 6, 2016Publication date: September 29, 2016Applicant: SHARP KABUSHIKI KAISHAInventors: Yasuhiro SUTO, Mitsuharu YOSHIMOTO, Tomohiko OKADA, Hisashi YAMANAKA, Shohichi FUKUTOME, Kenji NAKANISHI
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Patent number: 9438757Abstract: An image forming apparatus includes an image reading unit, an image forming unit, a discharge unit, and a discharge tray. The image reading unit is configured to read a document placed on a document placement table by moving and scanning of a scanning body in a sub-scanning direction. The image forming unit is configured to form an image read by the image reading unit on a paper sheet. The discharge unit is configured to discharge the paper sheet on which an image is formed by the image forming unit to a direction perpendicular to the sub-scanning direction. The discharge tray is on which the paper sheet from the discharge unit is to be placed with a space portion at a lower side of the image reading unit. A bottom surface of a housing of the image reading unit facing the discharge tray is constituted of a first surface and a second surface. The first surface is a surface at a front side of the discharge unit in a discharging direction and high with respect to the discharge tray.Type: GrantFiled: February 2, 2016Date of Patent: September 6, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Kenji Nakanishi, Masahiro Imoto, Yasuhiro Suto, Shohichi Fukutome, Hisashi Yamanaka, Mitsuharu Yoshimoto
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Patent number: 9420142Abstract: An image reading apparatus includes an image scanning unit that is provided with a holding portion holding a flexible flat cable. The holding portion is protruded toward an upstream side in a sub scanning direction, and provided with a second wall part. The flexible flat cable that is extended from a connector is brought into contact with the second wall part. As for the flexible flat cable, a downward movement is regulated by a lower holding portion and an upward movement is regulated by an upper holding portion. Accordingly, the flexible flat cable does not rise.Type: GrantFiled: June 23, 2014Date of Patent: August 16, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Masahiro Imoto, Yasuhiro Suto, Hisashi Yamanaka, Kenji Nakanishi, Shohichi Fukutome, Kazuhiro Iguchi
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Patent number: 9383500Abstract: An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided. An LED array and a reflective plate are disposed sandwiching a slit (St) through which light reflected by a document MS passes and a light-guiding member is disposed on the side of the LED array. The light-guiding member includes a direct emission unit disposed between an illumination range y centered on a document reading position and the LED array and an indirect emission unit disposed between the reflective plate and the LED array, a light incidence face of the direct emission unit and a light incidence face of the indirect emission unit are disposed at mutually different position around the LED array, and the LED array is disposed on a side of an interior angle formed by the light incidence faces.Type: GrantFiled: June 25, 2015Date of Patent: July 5, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Yasuhiro Suto, Mitsuharu Yoshimoto, Tomohiko Okada, Hisashi Yamanaka, Shohichi Fukutome, Kenji Nakanishi
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Patent number: 9383082Abstract: An illuminating device (210) according to an embodiment of the invention included in an image reading apparatus (100) and an image forming apparatus (D) includes light source portions (211a1), (211b1), (211a2) and (211b2), light-guiding members (213a) and (213b) for illuminating an illumination target (G) from an elongated light emitting face (M) that extends in a longitudinal direction (Y), by guiding light from the light source portions, and holding members (216a) and (216b) for holding the light-guiding members. The holding members include holding portions (2161a) and (2161b) for removably holding the light-guiding members, and tilted portions (2162a) and (2162b) that reflect light emitted from the light emitting face (M), the tilted portions extending from a front end on the light emitting face (M) side of the holding portions, obliquely widening with increasing distance from the light-guiding members.Type: GrantFiled: June 6, 2014Date of Patent: July 5, 2016Assignee: Sharp Kabushiki KaishaInventors: Yoshihisa Yamada, Mitsuharu Yoshimoto, Yasuhiro Suto, Kenji Nakanishi, Shohichi Fukutome, Hisashi Yamanaka
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Publication number: 20160150098Abstract: An image forming apparatus includes an image reading unit, an image forming unit, a discharge unit, and a discharge tray. The image reading unit is configured to read a document placed on a document placement table by moving and scanning of a scanning body in a sub-scanning direction. The image forming unit is configured to form an image read by the image reading unit on a paper sheet. The discharge unit is configured to discharge the paper sheet on which an image is formed by the image forming unit to a direction perpendicular to the sub-scanning direction. The discharge tray is on which the paper sheet from the discharge unit is to be placed with a space portion at a lower side of the image reading unit. A bottom surface of a housing of the image reading unit facing the discharge tray is constituted of a first surface and a second surface. The first surface is a surface at a front side of the discharge unit in a discharging direction and high with respect to the discharge tray.Type: ApplicationFiled: February 2, 2016Publication date: May 26, 2016Inventors: Kenji NAKANISHI, Masahiro IMOTO, Yasuhiro SUTO, Shohichi FUKUTOME, Hisashi YAMANAKA, Mitsuharu YOSHIMOTO
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Patent number: 9280119Abstract: An image forming apparatus includes an image reading unit, an image forming unit, a discharge unit, and a discharge tray. The image reading unit is configured to read a document placed on a document placement table by moving and scanning of a scanning body in a sub-scanning direction. The image forming unit is configured to form an image read by the image reading unit on a paper sheet. The discharge unit is configured to discharge the paper sheet on which an image is formed by the image forming unit to a direction perpendicular to the sub-scanning direction. The discharge tray is on which the paper sheet from the discharge unit is to be placed with a space portion at a lower side of the image reading unit. A bottom surface of a housing of the image reading unit facing the discharge tray is constituted of a first surface and a second surface. The first surface is a surface at a front side of the discharge unit in a discharging direction and high with respect to the discharge tray.Type: GrantFiled: April 5, 2013Date of Patent: March 8, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Kenji Nakanishi, Masahiro Imoto, Yasuhiro Suto, Shohichi Fukutome, Hisashi Yamanaka, Mitsuharu Yoshimoto
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Publication number: 20160004216Abstract: Disclosed is an air blowing system including: an air blowing device; a duct that guides air blown by the air blowing device; and a ventilation section disposed downstream of the duct in terms of an air blowing direction in which air is blown by the air blowing device so that the air blown by the air blowing device strikes and passes through the ventilation section, wherein the duct has a distorted portion where a part of an inner wall face of the duct located between the air blowing device and the ventilation section is distorted perpendicular or substantially perpendicular to the air blowing direction so that the air blown by the air blowing device flows perpendicularly or substantially perpendicularly to the air blowing direction.Type: ApplicationFiled: April 30, 2015Publication date: January 7, 2016Inventors: Masatsugu HATANAKA, Kiwamu MORITA, Hisashi YAMANAKA
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Publication number: 20150369998Abstract: An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided. An LED array and a reflective plate are disposed sandwiching a slit (St) through which light reflected by a document MS passes and a light-guiding member is disposed on the side of the LED array. The light-guiding member includes a direct emission unit disposed between an illumination range y centered on a document reading position and the LED array and an indirect emission unit disposed between the reflective plate and the LED array, a light incidence face of the direct emission unit and a light incidence face of the indirect emission unit are disposed at mutually different position around the LED array, and the LED array is disposed on a side of an interior angle formed by the light incidence faces.Type: ApplicationFiled: June 25, 2015Publication date: December 24, 2015Applicant: SHARP KABUSHIKI KAISHAInventors: Yasuhiro SUTO, Mitsuharu YOSHIMOTO, Tomohiko OKADA, Hisashi YAMANAKA, Shohichi FUKUTOME, Kenji NAKANISHI
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Patent number: 9106782Abstract: An image reader is provided, in its housing, with a first scanning unit made up of an LED array of a plurality of LED elements that are arranged in a row in the horizontal scanning direction and that emit light to a document. An air intake port and an air exhaust port are disposed on the housing of the image reader. An imaginary line of an air flow path coupling the air intake port and the air exhaust port to one another is configured to pass adjacent a center of the LED array of the first scanning unit in the horizontal scanning direction with the first scanning unit stopped at a reading position of the document transferred by a document transfer device.Type: GrantFiled: October 9, 2014Date of Patent: August 11, 2015Assignee: SHARP KABUSHIKI KAISHAInventors: Hisashi Yamanaka, Mitsuharu Yoshimoto, Kenji Nakanishi, Yasuhiro Suto, Shohichi Fukutome, Masahiro Imoto
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Patent number: 9097830Abstract: An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided. An LED array and a reflective plate are disposed sandwiching a slit (St) through which light reflected by a document MS passes and a light-guiding member is disposed on the side of the LED array. The light-guiding member includes a direct emission unit disposed between an illumination range y centered on a document reading position and the LED array and an indirect emission unit disposed between the reflective plate and the LED array, a light incidence face of the direct emission unit and a light incidence face of the indirect emission unit are disposed at mutually different position around the LED array, and the LED array is disposed on a side of an interior angle formed by the light incidence faces.Type: GrantFiled: May 30, 2014Date of Patent: August 4, 2015Assignee: SHARP KABUSHIKI KAISHAInventors: Yasuhiro Suto, Mitsuharu Yoshimoto, Tomohiko Okada, Hisashi Yamanaka, Shohichi Fukutome, Kenji Nakanishi
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Publication number: 20150098744Abstract: An image forming apparatus includes an image reading unit, an image forming unit, a discharge unit, and a discharge tray. The image reading unit is configured to read a document placed on a document placement table by moving and scanning of a scanning body in a sub-scanning direction. The image forming unit is configured to form an image read by the image reading unit on a paper sheet. The discharge unit is configured to discharge the paper sheet on which an image is formed by the image forming unit to a direction perpendicular to the sub-scanning direction. The discharge tray is on which the paper sheet from the discharge unit is to be placed with a space portion at a lower side of the image reading unit. A bottom surface of a housing of the image reading unit facing the discharge tray is constituted of a first surface and a second surface. The first surface is a surface at a front side of the discharge unit in a discharging direction and high with respect to the discharge tray.Type: ApplicationFiled: April 5, 2013Publication date: April 9, 2015Inventors: Kenji Nakanishi, Masahiro Imoto, Yasuhiro Suto, Shohichi Fukutome, Hisashi Yamanaka, Mitsuharu Yoshimoto
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Patent number: 8964264Abstract: An illuminating device capable of stably illuminating an irradiated object such as a document while suppressing light loss with a simply structure is provided. An LED array (71) and a reflective plate (73) are disposed sandwiching a slit (St) through which light reflected by a document MS passes and a light-guiding member (72) is disposed on the side of the LED array (71). The light-guiding member (72) includes a direct emission unit (77) disposed between an illumination range y centered on a document reading position and the LED array (71) and an indirect emission unit (78) disposed between the reflective plate (73) and the LED array (71), a light incidence face of the direct emission unit (77) and a light incidence face of the indirect emission unit (78) are disposed at mutually different position around the LED array (71), and the LED array (71) is disposed on a side of an interior angle formed by the light incidence faces.Type: GrantFiled: May 5, 2014Date of Patent: February 24, 2015Assignee: Sharp Kabushiki KaishaInventors: Yasuhiro Suto, Mitsuharu Yoshimoto, Tomohiko Okada, Hisashi Yamanaka, Shohichi Fukutome, Kenji Nakanishi
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Publication number: 20150022843Abstract: An image reader is provided, in its housing, with a first scanning unit made up of an LED array of a plurality of LED elements that are arranged in a row in the horizontal scanning direction and that emit light to a document. An air intake port and an air exhaust port are disposed on the housing of the image reader. An imaginary line of an air flow path coupling the air intake port and the air exhaust port to one another is configured to pass adjacent a center of the LED array of the first scanning unit in the horizontal scanning direction with the first scanning unit stopped at a reading position of the document transferred by a document transfer device.Type: ApplicationFiled: October 9, 2014Publication date: January 22, 2015Inventors: HISASHI YAMANAKA, MITSUHARU YOSHIMOTO, KENJI NAKANISHI, YASUHIRO SUTO, SHOHICHI FUKUTOME, MASAHIRO IMOTO
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Publication number: 20140376068Abstract: An image reading apparatus includes an image scanning unit that is provided with a holding portion holding a flexible flat cable. The holding portion is protruded toward an upstream side in a sub scanning direction, and provided with a second wall part. The flexible flat cable that is extended from a connector is brought into contact with the second wall part. As for the flexible flat cable, a downward movement is regulated by a lower holding portion and an upward movement is regulated by an upper holding portion. Accordingly, the flexible flat cable does not rise.Type: ApplicationFiled: June 23, 2014Publication date: December 25, 2014Inventors: Masahiro IMOTO, Yasuhiro SUTO, Hisashi YAMANAKA, Kenji NAKANISHI, Shohichi FUKUTOME, Kazuhiro IGUCHI
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Patent number: 8897667Abstract: An image reader is provided, in its housing, with a first scanning unit made up of an LED array of a plurality of LED elements that are arranged in a row in the horizontal scanning direction and that emit light to a document. An air intake port and an air exhaust port are disposed on the housing of the image reader. An imaginary line of an air flow path coupling the air intake port and the air exhaust port to one another is configured to pass adjacent a center of the LED array of the first scanning unit in the horizontal scanning direction with the first scanning unit stopped at a reading position of the document transferred by a document transfer device.Type: GrantFiled: October 26, 2012Date of Patent: November 25, 2014Assignee: Sharp Kabushiki KaishaInventors: Hisashi Yamanaka, Mitsuharu Yoshimoto, Kenji Nakanishi, Yasuhiro Suto, Shohichi Fukutome, Masahiro Imoto
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Publication number: 20140285857Abstract: An illuminating device (210) according to an embodiment of the invention included in an image reading apparatus (100) and an image forming apparatus (D) includes light source portions (211a1), (211b1), (211a2) and (211b2), light-guiding members (213a) and (213b) for illuminating an illumination target (G) from an elongated light emitting face (M) that extends in a longitudinal direction (Y), by guiding light from the light source portions, and holding members (216a) and (216b) for holding the light-guiding members. The holding members include holding portions (2161a) and (2161b) for removably holding the light-guiding members, and tilted portions (2162a) and (2162b) that reflect light emitted from the light emitting face (M), the tilted portions extending from a front end on the light emitting face (M) side of the holding portions, obliquely widening with increasing distance from the light-guiding members.Type: ApplicationFiled: June 6, 2014Publication date: September 25, 2014Inventors: Yoshihisa YAMADA, Mitsuharu YOSHIMOTO, Yasuhiro SUTO, Kenji NAKANISHI, Shohichi FUKUTOME, Hisashi YAMANAKA