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).

  • Publication number: 20190281180
    Abstract: 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: Application
    Filed: May 23, 2019
    Publication date: September 12, 2019
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro SUTO, Mitsuharu YOSHIMOTO, Tomohiko OKADA, Hisashi YAMANAKA, Shohichi FUKUTOME, Kenji NAKANISHI
  • Patent number: 10412254
    Abstract: An illuminating device according to an embodiment included in an image reading apparatus and an image forming apparatus includes light source portions, light-guiding members for illuminating an illumination target from an elongated light emitting face that extends in a longitudinal direction, by guiding light from the light source portions, and holding members for holding the light-guiding members. The holding members include holding portions for removably holding the light-guiding members, and tilted portions that reflect light emitted from the light emitting face, the tilted portions extending from a front end on the light emitting face side of the holding portions, obliquely widening with increasing distance from the light-guiding members.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: September 10, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshihisa Yamada, Mitsuharu Yoshimoto, Yasuhiro Suto, Kenji Nakanishi, Shohichi Fukutome, Hisashi Yamanaka
  • Publication number: 20190260893
    Abstract: 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: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Inventors: Masahiro Imoto, Yasuhiro Suto, Hisashi Yamanaka, Kenji Nakanishi, Shohichi Fukutome, Kazuhiro Iguchi
  • Publication number: 20190208074
    Abstract: An image reading device includes an image reader that scans a document so as to read an image of the document. The image reader includes a scanning body in which at least plural mirrors, a condenser lens, and an image sensor are disposed. In the scanning body, concerning positional relationships among the plural mirrors as viewed from a main scanning direction, the plural mirrors are disposed on two sides with respect to an imaginary line extending along an optical axis of reflected light from the document. The mirrors on a corresponding one of the two sides are disposed such that a reflecting position of a mirror on a downstream side in a traveling direction of the reflected light is positioned closer to the document and also to the imaginary line than that of a mirror on an upstream side in the traveling direction of the reflected light.
    Type: Application
    Filed: December 12, 2018
    Publication date: July 4, 2019
    Inventors: YASUHIRO SUTO, KENJI NAKANISHI, HISASHI YAMANAKA, SHOHICHI FUKUTOME
  • Patent number: 10334133
    Abstract: 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: Grant
    Filed: June 4, 2018
    Date of Patent: June 25, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Suto, Mitsuharu Yoshimoto, Tomohiko Okada, Hisashi Yamanaka, Shohichi Fukutome, Kenji Nakanishi
  • Patent number: 10326899
    Abstract: 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: Grant
    Filed: June 5, 2018
    Date of Patent: June 18, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masahiro Imoto, Yasuhiro Suto, Hisashi Yamanaka, Kenji Nakanishi, Shohichi Fukutome, Kazuhiro Iguchi
  • Publication number: 20180316809
    Abstract: 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: Application
    Filed: June 5, 2018
    Publication date: November 1, 2018
    Inventors: Masahiro IMOTO, Yasuhiro SUTO, Hisashi YAMANAKA, Kenji NAKANISHI, Shohichi FUKUTOME, Kazuhiro IGUCHI
  • Publication number: 20180288264
    Abstract: 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: Application
    Filed: June 4, 2018
    Publication date: October 4, 2018
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro SUTO, Mitsuharu YOSHIMOTO, Tomohiko OKADA, Hisashi YAMANAKA, Shohichi FUKUTOME, Kenji NAKANISHI
  • Publication number: 20180198942
    Abstract: An illuminating device according to an embodiment included in an image reading apparatus and an image forming apparatus includes light source portions, light-guiding members for illuminating an illumination target from an elongated light emitting face that extends in a longitudinal direction, by guiding light from the light source portions, and holding members for holding the light-guiding members. The holding members include holding portions for removably holding the light-guiding members, and tilted portions that reflect light emitted from the light emitting face, the tilted portions extending from a front end on the light emitting face side of the holding portions, obliquely widening with increasing distance from the light-guiding members.
    Type: Application
    Filed: March 8, 2018
    Publication date: July 12, 2018
    Inventors: Yoshihisa Yamada, Mitsuharu Yoshimoto, Yasuhiro Suto, Kenji Nakanishi, Shohichi Fukutome, Hisashi Yamanaka
  • Patent number: 10015333
    Abstract: 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: Grant
    Filed: July 18, 2017
    Date of Patent: July 3, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masahiro Imoto, Yasuhiro Suto, Hisashi Yamanaka, Kenji Nakanishi, Shohichi Fukutome, Kazuhiro Iguchi
  • Patent number: 10003712
    Abstract: 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: Grant
    Filed: April 7, 2017
    Date of Patent: June 19, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Suto, Mitsuharu Yoshimoto, Tomohiko Okada, Hisashi Yamanaka, Shohichi Fukutome, Kenji Nakanishi
  • Patent number: 9948811
    Abstract: 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: Grant
    Filed: June 2, 2016
    Date of Patent: April 17, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yoshihisa Yamada, Mitsuharu Yoshimoto, Yasuhiro Suto, Kenji Nakanishi, Shohichi Fukutome, Hisashi Yamanaka
  • Patent number: 9948801
    Abstract: 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: Grant
    Filed: August 2, 2016
    Date of Patent: April 17, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Kenji Nakanishi, Masahiro Imoto, Yasuhiro Suto, Shohichi Fukutome, Hisashi Yamanaka, Mitsuharu Yoshimoto
  • Patent number: 9857770
    Abstract: 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: Grant
    Filed: September 6, 2016
    Date of Patent: January 2, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Masatsugu Hatanaka, Kiwamu Morita, Hisashi Yamanaka
  • Publication number: 20170318169
    Abstract: 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: Application
    Filed: July 18, 2017
    Publication date: November 2, 2017
    Inventors: Masahiro IMOTO, Yasuhiro SUTO, Hisashi YAMANAKA, Kenji NAKANISHI, Shohichi FUKUTOME, Kazuhiro IGUCHI
  • Patent number: 9742940
    Abstract: 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: Grant
    Filed: July 11, 2016
    Date of Patent: August 22, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masahiro Imoto, Yasuhiro Suto, Hisashi Yamanaka, Kenji Nakanishi, Shohichi Fukutome, Kazuhiro Iguchi
  • Publication number: 20170214815
    Abstract: 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: Application
    Filed: April 7, 2017
    Publication date: July 27, 2017
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Yasuhiro SUTO, Mitsuharu YOSHIMOTO, Tomohiko OKADA, Hisashi YAMANAKA, Shohichi FUKUTOME, Kenji NAKANISHI
  • Patent number: 9648192
    Abstract: 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: Grant
    Filed: June 6, 2016
    Date of Patent: May 9, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasuhiro Suto, Mitsuharu Yoshimoto, Tomohiko Okada, Hisashi Yamanaka, Shohichi Fukutome, Kenji Nakanishi
  • Publication number: 20160370760
    Abstract: 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: Application
    Filed: September 6, 2016
    Publication date: December 22, 2016
    Inventors: Masatsugu HATANAKA, Kiwamu MORITA, Hisashi YAMANAKA
  • Publication number: 20160352954
    Abstract: 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: Application
    Filed: June 2, 2016
    Publication date: December 1, 2016
    Inventors: Yoshihisa YAMADA, Mitsuharu YOSHIMOTO, Yasuhiro SUTO, Kenji NAKANISHI, Shohichi FUKUTOME, Hisashi YAMANAKA