Patents by Inventor Torahiko Kanda
Torahiko Kanda 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).
-
Patent number: 11302019Abstract: An information processing apparatus includes a processor configured to acquire three-dimensional-shape data that is data for a three-dimensional body and that represents a shape of a three-dimensional object, set in advance a feature requirement that indicates one or more features concerning a cross section of the three-dimensional body, detect one or more features that satisfy the feature requirement in the three-dimensional-shape data, and output information regarding the one or more features detected in the three-dimensional-shape data.Type: GrantFiled: June 24, 2020Date of Patent: April 12, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Yuki Yokoyama, Ryosuke Higashikata, Tomonari Takahashi, Torahiko Kanda
-
Patent number: 11281185Abstract: A three-dimensional object data generation apparatus includes an obtaining unit that obtains three-dimensional object data which represents, with plural voxels, a three-dimensional object including a shape obtained by repeating a unit shape and in which an attribute value is set for each of the plural voxels, a setting unit that sets a three-dimensional threshold matrix in which thresholds are arranged in a three-dimensional space in accordance with a predetermined basic shape, a correction unit that corrects a coordinate value of each of the plural voxels in a certain direction of the three-dimensional object such that the unit shape is formed from a first reference position in the certain direction, and a calculation unit that calculates, on a basis of the attribute value of each of the plural voxels whose coordinate values have been corrected and the three-dimensional threshold matrix, whether to form the voxel.Type: GrantFiled: April 15, 2019Date of Patent: March 22, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Naoki Hiji, Torahiko Kanda, Yuki Yokoyama
-
Publication number: 20210241472Abstract: An information processing apparatus includes a processor configured to acquire three-dimensional-shape data that is data for a three-dimensional body and that represents a shape of a three-dimensional object, set in advance a feature requirement that indicates one or more features concerning a cross section of the three-dimensional body, detect one or more features that satisfy the feature requirement in the three-dimensional-shape data, and output information regarding the one or more features detected in the three-dimensional-shape data.Type: ApplicationFiled: June 24, 2020Publication date: August 5, 2021Applicant: FUJI XEROX CO., LTD.Inventors: Yuki YOKOYAMA, Ryosuke HIGASHIKATA, Tomonari TAKAHASHI, Torahiko KANDA
-
Patent number: 11046010Abstract: A three-dimensional object data generation apparatus includes an obtaining unit that obtains three-dimensional object data representing a three-dimensional object with plural voxels, for each of which a first attribute value is set, a setting unit that sets a three-dimensional threshold matrix in which thresholds are arranged in a three-dimensional space, an adjustment unit that adjusts a cycle of the three-dimensional threshold matrix in accordance with the first attribute values, and a calculation unit that calculates, for each of the plural voxels, a second attribute value using the first attribute value of the voxel and the three-dimensional threshold matrix whose cycle has been adjusted by the adjustment unit.Type: GrantFiled: April 4, 2019Date of Patent: June 29, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Naoki Hiji, Torahiko Kanda, Yuki Yokoyama
-
Patent number: 10703043Abstract: A shaping apparatus includes a table, at least one first discharging part that moves in one direction relative to the table and shapes an object by discharging droplets of a shaping liquid from nozzles and stacking plural layers each formed by curing the droplets, a second discharging part that moves in one direction relative to the table and forms a coating member coating an end surface of the object by discharging droplets of a coating liquid from nozzles and stacking plural layers each formed by curing the droplets, and a controller that controls the second discharging part so that a thickness of the coating member decreases toward an upper side.Type: GrantFiled: September 8, 2017Date of Patent: July 7, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Naoki Hiji, Torahiko Kanda
-
Publication number: 20200142383Abstract: A three-dimensional object data generation apparatus includes an obtaining unit that obtains three-dimensional object data which represents, with plural voxels, a three-dimensional object including a shape obtained by repeating a unit shape and in which an attribute value is set for each of the plural voxels, a setting unit that sets a three-dimensional threshold matrix in which thresholds are arranged in a three-dimensional space in accordance with a predetermined basic shape, a correction unit that corrects a coordinate value of each of the plural voxels in a certain direction of the three-dimensional object such that the unit shape is formed from a first reference position in the certain direction, and a calculation unit that calculates, on a basis of the attribute value of each of the plural voxels whose coordinate values have been corrected and the three-dimensional threshold matrix, whether to form the voxel.Type: ApplicationFiled: April 15, 2019Publication date: May 7, 2020Applicant: FUJI XEROX CO., LTD.Inventors: Naoki HIJI, Torahiko KANDA, Yuki YOKOYAMA
-
Publication number: 20200139633Abstract: A three-dimensional object data generation apparatus includes an obtaining unit that obtains three-dimensional object data representing a three-dimensional object with plural voxels, for each of which a first attribute value is set, a setting unit that sets a three-dimensional threshold matrix in which thresholds are arranged in a three-dimensional space, an adjustment unit that adjusts a cycle of the three-dimensional threshold matrix in accordance with the first attribute values, and a calculation unit that calculates, for each of the plural voxels, a second attribute value using the first attribute value of the voxel and the three-dimensional threshold matrix whose cycle has been adjusted by the adjustment unit.Type: ApplicationFiled: April 4, 2019Publication date: May 7, 2020Applicant: FUJI XEROX CO., LTD.Inventors: Naoki HIJI, Torahiko KANDA, Yuki YOKOYAMA
-
Patent number: 10279544Abstract: Provided is a forming apparatus including an operating section that includes a base portion, a forming unit that includes an ejection unit having an ejection surface from which a droplet of a light curing forming liquid is ejected toward the base portion, that moves relatively with respect to the base portion, and that forms a three-dimensional object on the base portion by repeating both of ejection of the droplet and curing the droplet with an irradiation beam, and a reduction unit that disposes a reduction section, which reduces an amount of light reflected toward the ejection surface, around the three-dimensional object in the operating section.Type: GrantFiled: December 7, 2015Date of Patent: May 7, 2019Assignee: FUJI XEROX CO., LTD.Inventor: Torahiko Kanda
-
Publication number: 20180264738Abstract: A three-dimensional modeling apparatus includes: multiple discharge heads that is used for model processing of a three-dimensional model, and that discharges multiple model materials with different attributes; and a controller that controls the multiple discharge heads so that a probability of discharge of a model material with a predetermined attribute is higher at a position closer to the lateral side of the three-dimensional model.Type: ApplicationFiled: February 23, 2018Publication date: September 20, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Naoki HIJI, Torahiko KANDA
-
Publication number: 20180200953Abstract: A shaping apparatus includes a table, at least one first discharging part that moves in one direction relative to the table and shapes an object by discharging droplets of a shaping liquid from nozzles and stacking plural layers each formed by curing the droplets, a second discharging part that moves in one direction relative to the table and forms a coating member coating an end surface of the object by discharging droplets of a coating liquid from nozzles and stacking plural layers each formed by curing the droplets, and a controller that controls the second discharging part so that a thickness of the coating member decreases toward an upper side.Type: ApplicationFiled: September 8, 2017Publication date: July 19, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Naoki HIJI, Torahiko KANDA
-
Publication number: 20180009179Abstract: An additive manufacturing apparatus includes a table, an ejecting unit that faces the table and ejects photocurable droplets toward the table, a light-applying unit that applies light to and cures the droplets on the table, a moving unit that moves the table back and forth along with the light-applying unit and relative to the ejecting unit, and a controller that controls the ejecting unit, the light-applying unit, and the moving unit such that the ejecting unit ejects droplets toward the table while the table is moved relative to the ejecting unit; the light-applying unit applies, when a direction of relative movement of the table is changed, light to the droplets that have moved together with the table out of an area where the table faces the ejecting unit; and a three-dimensional object is formed as a stack of layers composed of the droplets that have been cured.Type: ApplicationFiled: June 13, 2017Publication date: January 11, 2018Applicant: FUJI XEROX Co., Ltd.Inventors: Torahiko KANDA, Motohiko SAKAMAKI
-
Publication number: 20170210066Abstract: A shaping apparatus includes: a bench unit that has a light shielding wall around the bench unit; a moving unit that moves reciprocally and relatively with respect to the bench unit; an ejecting unit that is provided at the moving unit and ejects a droplet of a light curable shaping liquid from an ejection surface toward the bench unit; an irradiating unit that is provided at the moving unit and irradiates the ejected droplet on the bench unit with irradiation light; a control section that controls the moving unit, the ejecting unit and the irradiating unit, and shapes a three-dimensional object on the bench unit by repeating ejecting the droplet and curing the droplet performed with the irradiation light, while moving the moving unit relatively with respect to the bench unit; and an emission surface as defined herein.Type: ApplicationFiled: July 7, 2016Publication date: July 27, 2017Applicant: FUJI XEROX CO., LTD.Inventor: Torahiko KANDA
-
Publication number: 20170210065Abstract: A shaping apparatus includes: a bench unit that has a light shielding wall around the bench unit; a moving unit that moves reciprocally and relatively with respect to the bench unit; an ejecting unit that is provided at the moving unit and ejects a droplet of a light curable shaping liquid from an ejection surface toward the bench unit; an irradiating unit that is provided at the moving unit and irradiates the ejected droplet on the bench unit with irradiation light; a controller that controls the moving unit, the ejecting unit and the irradiating unit, and shapes a three-dimensional object on the bench unit by repeating ejecting the droplet and curing the droplet performed with the irradiation light, while moving the moving unit relatively with respect to the bench unit; and an emission surface as defined herein.Type: ApplicationFiled: January 25, 2017Publication date: July 27, 2017Applicant: FUJI XEROX CO., LTD.Inventor: Torahiko KANDA
-
Publication number: 20160368217Abstract: Provided is a forming apparatus including an operating section that includes a base portion, a forming unit that includes an ejection unit having an ejection surface from which a droplet of a light curing forming liquid is ejected toward the base portion, that moves relatively with respect to the base portion, and that forms a three-dimensional object on the base portion by repeating both of ejection of the droplet and curing the droplet with an irradiation beam, and a reduction unit that disposes a reduction section, which reduces an amount of light reflected toward the ejection surface, around the three-dimensional object in the operating section.Type: ApplicationFiled: December 7, 2015Publication date: December 22, 2016Applicant: FUJI XEROX CO., LTD.Inventor: Torahiko KANDA
-
Publication number: 20160297145Abstract: Provided is a forming apparatus including a base plate, a moving unit that reciprocates relatively to the base plate, an ejection section that includes plural ejection units and that ejects a first droplet and then ejects a second droplet between the first droplets, a first irradiation unit that irradiates the first droplet with light so that the first droplet is cured before the second droplet is ejected, a pair of second irradiation units that are provided in the moving unit with interposing the plural ejection units in the movement direction and irradiates the first droplet and the second droplet with light so that the first droplet and the second droplet are cured, and a control unit that controls the moving unit, the ejection unit, and the second irradiation unit to form a three-dimensional object through stacking layers formed by the cured first and second droplets.Type: ApplicationFiled: October 6, 2015Publication date: October 13, 2016Applicant: FUJI XEROX CO., LTD.Inventor: Torahiko KANDA
-
Patent number: 8556384Abstract: A droplet ejection head includes head members, dummy members, a sealant, and elastic members. Each of the head members has a nozzle face where a plurality of nozzles for ejecting droplets are formed and an attaching face which is a back side face with respect to the nozzle face. Each of the dummy members has a dummy nozzle face and an attaching face which is a back side face with respect to the dummy nozzle face. The dummy members are placed at both end sides of the elongated substrate in the longitudinal direction so that second gaps between the outmost head members and the dummy members are formed. The sealant is filled in each of first gaps between the head members and the second gaps, bonds the head members and the dummy members with the outmost head members, and seals the first gaps and the second gaps.Type: GrantFiled: July 11, 2012Date of Patent: October 15, 2013Assignee: Fuji Xerox Co., Ltd.Inventors: Kenichi Ohno, Torahiko Kanda
-
Publication number: 20130241998Abstract: A droplet ejection head includes head members, dummy members, a sealant, and elastic members. Each of the head members has a nozzle face where a plurality of nozzles for ejecting droplets are formed and an attaching face which is a back side face with respect to the nozzle face. Each of the dummy members has a dummy nozzle face and an attaching face which is a back side face with respect to the dummy nozzle face. The dummy members are placed at both end sides of the elongated substrate in the longitudinal direction so that second gaps between the outmost head members and the dummy members are formed. The sealant is filled in each of first gaps between the head members and the second gaps, bonds the head members and the dummy members with the outmost head members, and seals the first gaps and the second gaps.Type: ApplicationFiled: July 11, 2012Publication date: September 19, 2013Applicant: FUJI XEROX CO., LTD.Inventors: Kenichi Ohno, Torahiko Kanda
-
Patent number: 8123335Abstract: A liquid droplet ejecting head of an aspect of the invention includes: a nozzle ejecting a liquid-droplet; a liquid flow path member in which a liquid is supplied toward the nozzle; a back-pressure generating unit applying back-pressure to the liquid in a liquid-flow-path toward the nozzle; a beam member joined together with or including the liquid flow path member, deforming to become concave in a liquid-droplet ejection direction, thereafter undergoing buckling reverse deformation to become convex in the ejection direction, and applying inertia to the liquid near the nozzle in the ejection direction, to cause the liquid near the nozzle to be ejected; an opening disposed on an opposite side of the liquid flow path member in the ejection direction and communicated with the atmosphere; a suction path whose suction opening is directed toward near the nozzle; and a negative-pressure generating unit generating negative-pressure in the suction path.Type: GrantFiled: May 20, 2009Date of Patent: February 28, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Torahiko Kanda, Kenichi Ohno
-
Patent number: 8087750Abstract: There is provided a liquid droplet discharging device including: a liquid passage member provided with a liquid passage into which a liquid is supplied; plural nozzles provided for the liquid passage member and each discharging the liquid contained in the liquid passage; a holding member that holds both end portions of the liquid passage member; and a drive unit that drives at least one of the holding members, and deforms the liquid passage member from a concave state to a convex state in the liquid droplet discharge direction, imparts inertial force to the liquid, and discharges liquid droplets from the nozzles.Type: GrantFiled: February 26, 2009Date of Patent: January 3, 2012Assignee: Fuji Xerox Co., Ltd.Inventors: Kenichi Ohno, Torahiko Kanda
-
Patent number: 8029103Abstract: The present invention provides a liquid droplet ejection head that ejects droplets of high viscosity ink. A liquid droplet of an electrically conductive liquid in the liquid droplet ejection head is ejected from the head, which is provided with difference in potential between the head and an opposing medium, toward the medium. Electricity is conducted between the head and the medium through a tail of the liquid droplet.Type: GrantFiled: August 21, 2008Date of Patent: October 4, 2011Assignee: Fuji Xerox Co., Ltd.Inventor: Torahiko Kanda