Patents by Inventor Kousuke Kubota
Kousuke Kubota 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: 20240133734Abstract: An information processing apparatus according to an embodiment includes a first recognition unit (122) that performs recognition processing based on a point group output by a photodetection distance measurement unit (11), and outputs three-dimensional recognition information of a target object, the photodetection distance measurement unit (11) including a light transmission unit (101) that transmits light modulated by a frequency continuous modulation wave and a light reception unit (103) that receives light and outputs a reception signal, and outputting, based on the reception signal, a point group including a plurality of points each having velocity information, a generation unit (125) that generates vibration distribution information indicating a vibration distribution of the target object based on the velocity information and the three-dimensional recognition information, and a detection unit (20) that detects an abnormality of the target object based on the vibration distribution information.Type: ApplicationFiled: December 17, 2021Publication date: April 25, 2024Inventors: Yuusuke Kawamura, Kazutoshi Kitano, Kousuke Takahashi, Takeshi Kubota
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Publication number: 20240103133Abstract: An information processing apparatus according to an embodiment includes: a recognition unit (122) configured to perform recognition processing on the basis of a point cloud output from a photodetection ranging unit (11) using a frequency modulated continuous wave to determine a designated area in a real object, the photodetection ranging unit being configured to output the point cloud including velocity information and three-dimensional coordinates of the point cloud on the basis of a reception signal reflected by an object and received, and configured to output three-dimensional recognition information including information indicating the determined designated area, and a correction unit (125) configured to correct three-dimensional coordinates of the designated area in the point cloud on the basis of the three-dimensional recognition information output by the recognition unit.Type: ApplicationFiled: December 23, 2021Publication date: March 28, 2024Inventors: Kousuke Takahashi, Kazutoshi Kitano, Yuusuke Kawamura, Takeshi Kubota
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Patent number: 9025217Abstract: There is provided a document, wherein a measurement image for measuring a position of an image relative to a document is formed on a first surface thereof, a designation image for designating a document position, at which the document is placed on an image reading apparatus that reads an image, is formed on a second surface thereof, and wherein the document is spaced from an end portion of a reading region of the image reading apparatus by placing the document in accordance with the designation of the designation image, and the designation image is formed such that the measurement image is placed in the reading region of the image reading apparatus.Type: GrantFiled: February 27, 2013Date of Patent: May 5, 2015Assignee: Fuji Xerox Co., Ltd.Inventors: Tomohiro Tanigawa, Kousuke Kubota, Osamu Goto, Ryuji Fujiki, Takeshi Kato
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Patent number: 8830521Abstract: An image forming apparatus includes the following elements. An image forming unit forms an image by using plural predetermined colors. An index forming unit causes the image forming unit to form two or more consecutive image correcting indexes of one type by using an identical color, the image correcting indexes being used for correcting misregistration of an image to be formed. The image correcting indexes are sequentially transferred to an image carrier. A detector includes a light source emitting light to the image correcting indexes and a light receiver receiving light reflected by the image carrier and the image correcting indexes to generate a detection signal. A position specifying unit specifies a position between two consecutive image correcting indexes by using the detection signal. A misregistration correcting unit corrects misregistration of an image to be formed by using the specified position.Type: GrantFiled: August 22, 2012Date of Patent: September 9, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Kousuke Kubota, Tetsuhiro Inoue
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Patent number: 8824008Abstract: An image forming apparatus includes the following elements. An image forming unit forms an image by using plural predetermined colors. An index forming unit causes the image forming unit to form three or more consecutive image correcting indexes of one type by using an identical color, the image correcting indexes being used for correcting misregistration of an image to be formed. The image correcting indexes are sequentially transferred to an image carrier. A detector includes a light source emitting light to the image correcting indexes and a light receiver receiving light reflected by the image carrier and the image correcting indexes to generate a detection signal. A position specifying unit specifies a position of an image correcting index located at the center of three consecutive image correcting indexes by using the detection signal. A misregistration correcting unit corrects misregistration of an image to be formed by using the specified position.Type: GrantFiled: August 8, 2012Date of Patent: September 2, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Kousuke Kubota, Tetsuhiro Inoue, Tsutomu Udaka, Kenta Ogata, Osamu Goto
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Patent number: 8811865Abstract: An image forming apparatus includes an adjustment sequence controller that causes first to third adjustment processes to be executed. In the first adjustment process, if a second registration mark having reduced calculation errors of shifts of toner-image formation positions as compared with those of a first registration mark is formed in a normal way, the toner-image formation positions are adjusted by using the second registration mark. In the second adjustment process, if the second registration mark is not formed in the normal way, the toner-image formation positions are adjusted by using the first registration mark. In the third adjustment process, if the second registration mark is formed in the normal way after the second adjustment process, the toner-image formation positions are adjusted by using the second registration mark.Type: GrantFiled: February 8, 2012Date of Patent: August 19, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Tetsuhiro Inoue, Kousuke Kubota
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Patent number: 8811845Abstract: In a registration mark, when toners of plural colors are divided into two groups of a low-reflectance group having a relatively low spectral reflectance and a high-reflectance group having a relatively high spectral reflectance in accordance with high and low levels of spectral reflectances with respect to light emitted by an optical sensor, a toner pattern that gives information of a toner-image formation position of a toner-image forming unit using the toner that belongs to the low-reflectance group includes a first pattern in which the toner that belongs to the high-reflectance group is distributed without a gap in a moving direction of the transferred member, and second patterns formed with the toner used by the toner-image forming unit, the second patterns being arranged on both sides of the first pattern in the moving direction of the transferred member without a gap with respect to the first pattern.Type: GrantFiled: January 30, 2012Date of Patent: August 19, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Kousuke Kubota, Tetsuhiro Inoue
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Publication number: 20140022609Abstract: There is provided a document, wherein a measurement image for measuring a position of an image relative to a document is formed on a first surface thereof, a designation image for designating a document position, at which the document is placed on an image reading apparatus that reads an image, is formed on a second surface thereof, and wherein the document is spaced from an end portion of a reading region of the image reading apparatus by placing the document in accordance with the designation of the designation image, and the designation image is formed such that the measurement image is placed in the reading region of the image reading apparatus.Type: ApplicationFiled: February 27, 2013Publication date: January 23, 2014Applicant: FUJI XEROX CO., LTD.Inventors: Tomohiro TANIGAWA, Kousuke KUBOTA, Osamu GOTO, Ryuji FUJIKI, Takeshi KATO
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Publication number: 20130258355Abstract: An image forming apparatus includes the following elements. An image forming unit forms an image by using plural predetermined colors. An index forming unit causes the image forming unit to form three or more consecutive image correcting indexes of one type by using an identical color, the image correcting indexes being used for correcting misregistration of an image to be formed. The image correcting indexes are sequentially transferred to an image carrier. A detector includes a light source emitting light to the image correcting indexes and a light receiver receiving light reflected by the image carrier and the image correcting indexes to generate a detection signal. A position specifying unit specifies a position of an image correcting index located at the center of three consecutive image correcting indexes by using the detection signal. A misregistration correcting unit corrects misregistration of an image to be formed by using the specified position.Type: ApplicationFiled: August 8, 2012Publication date: October 3, 2013Applicant: FUJI XEROX CO., LTD.Inventors: Kousuke KUBOTA, Tetsuhiro INOUE, Tsutomu UDAKA, Kenta OGATA, Osamu GOTO
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Publication number: 20130258363Abstract: An image forming apparatus includes the following elements. An image forming unit forms an image by using plural predetermined colors. An index forming unit causes the image forming unit to form two or more consecutive image correcting indexes of one type by using an identical color, the image correcting indexes being used for correcting misregistration of an image to be formed. The image correcting indexes are sequentially transferred to an image carrier. A detector includes a light source emitting light to the image correcting indexes and a light receiver receiving light reflected by the image carrier and the image correcting indexes to generate a detection signal. A position specifying unit specifies a position between two consecutive image correcting indexes by using the detection signal. A misregistration correcting unit corrects misregistration of an image to be formed by using the specified position.Type: ApplicationFiled: August 22, 2012Publication date: October 3, 2013Applicant: FUJI XEROX CO., LTD.Inventors: Kousuke KUBOTA, Tetsuhiro INOUE
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Publication number: 20130078010Abstract: An image forming apparatus includes an adjustment sequence controller that causes first to third adjustment processes to be executed. In the first adjustment process, if a second registration mark having reduced calculation errors of shifts of toner-image formation positions as compared with those of a first registration mark is formed in a normal way, the toner-image formation positions are adjusted by using the second registration mark. In the second adjustment process, if the second registration mark is not formed in the normal way, the toner-image formation positions are adjusted by using the first registration mark. In the third adjustment process, if the second registration mark is formed in the normal way after the second adjustment process, the toner-image formation positions are adjusted by using the second registration mark.Type: ApplicationFiled: February 8, 2012Publication date: March 28, 2013Applicant: FUJI XEROX CO., Ltd.Inventors: Tetsuhiro INOUE, Kousuke KUBOTA
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Publication number: 20130064564Abstract: In a registration mark, when toners of plural colors are divided into two groups of a low-reflectance group having a relatively low spectral reflectance and a high-reflectance group having a relatively high spectral reflectance in accordance with high and low levels of spectral reflectances with respect to light emitted by an optical sensor, a toner pattern that gives information of a toner-image formation position of a toner-image forming unit using the toner that belongs to the low-reflectance group includes a first pattern in which the toner that belongs to the high-reflectance group is distributed without a gap in a moving direction of the transferred member, and second patterns formed with the toner used by the toner-image forming unit, the second patterns being arranged on both sides of the first pattern in the moving direction of the transferred member without a gap with respect to the first pattern.Type: ApplicationFiled: January 30, 2012Publication date: March 14, 2013Applicant: FUJI XEROX CO., LTD.Inventors: Kousuke KUBOTA, Tetsuhiro INOUE
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Patent number: 7647015Abstract: A color image forming apparatus includes a color-shift-detection-image forming unit, a color shift detector, a recording-material color-shift correcting unit and a conveyance-unit color-shift correcting unit. The color-shift-detection-image forming unit selectively forms a color-shift detection image on a recording medium or a first conveyance unit. The color shift detector detects color shift based on the color-shift detection image. The recording-material color-shift correcting unit performs color-shift correction based on the color-shift detection information corresponding to the color shift on the recording medium. The conveyance-unit color-shift correcting unit performs color-shift correction based on an amount of change in the color-shift detection information corresponding to the color shift on the first conveyance unit.Type: GrantFiled: December 20, 2007Date of Patent: January 12, 2010Assignee: Fuji Xerox Co., Ltd.Inventors: Kousuke Kubota, Noribumi Sato
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Publication number: 20080292335Abstract: A color image forming apparatus includes a color-shift-detection-image forming unit, a color shift detector, a recording-material color-shift correcting unit and a conveyance-unit color-shift correcting unit. The color-shift-detection-image forming unit selectively forms a color-shift detection image on a recording medium or a first conveyance unit. The color shift detector detects color shift based on the color-shift detection image. The recording-material color-shift correcting unit performs color-shift correction based on the color-shift detection information corresponding to the color shift on the recording medium. The conveyance-unit color-shift correcting unit performs color-shift correction based on an amount of change in the color-shift detection information corresponding to the color shift on the first conveyance unit.Type: ApplicationFiled: December 20, 2007Publication date: November 27, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Kousuke Kubota, Noribumi Sato
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Patent number: 7317439Abstract: Picture quality on a display screen is corrected in accordance with a change either in image information or in the light state. The electronic apparatus includes a display panel, a lighting means for lighting the display panel, a parameter adjusting means for adjusting a parameter participating in picture quality so as to conform the light state while using variations in the light state of the lighting means as a trigger, a signal correcting means for inputting a display signal and correcting the input display signal in accordance with the adjusted parameter, and a driving means for driving the display panel on the basis of the corrected display signal. The light state is controlled according to the content of a file containing the information to be displayed.Type: GrantFiled: October 25, 2001Date of Patent: January 8, 2008Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Ryota Hata, Jun Ikeda, Shuichi Ojima, Tsuyoshi Hirashima, Tadashi Kayada, Kousuke Kubota
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Publication number: 20020105527Abstract: Picture quality on a display screen is corrected in accordance with a change either in image information or in the light state. The electronic apparatus includes a display panel, a lighting means for lighting the display panel, a parameter adjusting means for adjusting a parameter participating in picture quality so as to conform the light state while using variations in the light state of the lighting means as a trigger, a signal correcting means for inputting a display signal and correcting the input display signal in accordance with the adjusted parameter, and a driving means for driving the display panel on the basis of the corrected display signal. The light state is controlled according to the content of a file containing the information to be displayed.Type: ApplicationFiled: October 25, 2001Publication date: August 8, 2002Inventors: Ryota Hata, Jun Ikeda, Shuichi Ojima, Tsuyoshi Hirashima, Tadashi Kayada, Kousuke Kubota