Patents by Inventor Yuji Otsuka

Yuji Otsuka 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: 20210117698
    Abstract: The present invention provides an image capturing device which can detect a change in lane width for an own vehicle without using information on an adjacent lane. The present invention relates to an image capturing device 100 which is mounted in a vehicle and is provided with: a first camera 11 which captures a first image; and a control device 1 which recognizes, in the first image, a first compartment line L1 and a second compartment line L2 that regulate lanes, wherein the control device 1 is provided with a lane width determination unit 15 which determines the presence or absence of a change in lane width on the basis of relationships among the widths of the first compartment line L1 at two points PV1, PV2 at which the distances from a vehicle on the first image are different, the widths of the second compartment line L2 at the two points PV1, PV2 on the first image, and the distances between the first compartment line L1 and the second compartment line L2 at the two points PV1, PV2 on the first image.
    Type: Application
    Filed: February 4, 2019
    Publication date: April 22, 2021
    Inventors: Maho HORINAGA, Naoya TADA, Yuji OTSUKA
  • Publication number: 20200289988
    Abstract: Provided is a method for cleaning a filtration membrane provided in a membrane filtration device that is immersed in a liquid to be treated and performs solid-liquid separation on the liquid to be treated. When a transmembrane pressure difference exceeds a first predetermined pressure difference P1, a first cleaning step W1 for cleaning a filtration membrane is performed using a first chemical solution; when the transmembrane pressure difference immediately after performing the first cleaning step W1 exceeds a second predetermined pressure difference P2 that is lower than the first predetermined pressure difference, a second cleaning step W2 for cleaning the filtration membrane is performed using a second chemical solution having a concentration higher than the first chemical solution; and when the second cleaning step W2 is performed, the concentration of the second chemical solution and/or the cleaning time is changed according to the temperature of the liquid to be treated.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Inventors: Yasunobu OKAJIMA, Yuki KAWASHIMA, Yuji OTSUKA, Yukako MORITA, Ken TANAKA
  • Publication number: 20200227208
    Abstract: An electrolytic capacitor includes a capacitor element and an electrolytic solution. The capacitor element includes: an anode body including a dielectric layer; a cathode body; and a solid electrolyte in contact with the dielectric layer. The electrolytic solution includes a solvent, a solute, and a polymer component. The solvent includes an ethylene glycol compound. The polymer component includes polyalkylene glycol. The polyalkylene glycol includes at least one of (i) a mixture of polyoxyethylene and polyoxypropylene and (ii) an oxyethylene-oxypropylene copolymer. In the polyalkylene glycol, a molar ratio m/n of oxyethylene units to oxypropylene units is greater than 1.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 16, 2020
    Inventors: YUICHIRO TSUBAKI, TATSUJI AOYAMA, KAZUYO SAITO, YUJI OTSUKA
  • Publication number: 20200141493
    Abstract: A seal structure between an oil outlet formed in a first case and an oil inlet formed in a second case and having an end face facing an end face of the oil outlet with a clearance between the end faces, the seal structure including an annular first seal disposed in an increased-diameter hole, which is formed on an outlet side or an inlet side of an oil passage in one of the oil outlet and the oil inlet and has a larger diameter than the oil passage, such that the first seal contacts a step surface located at a boundary between the oil passage and the increased-diameter hole; and an annular second seal harder than the first seal and disposed in the increased-diameter hole such that the second seal contacts the first seal and the end face of the other of the oil outlet and the oil inlet.
    Type: Application
    Filed: December 27, 2017
    Publication date: May 7, 2020
    Applicants: AISIN AW CO., LTD., NOK CORPORATION
    Inventors: Daisuke AKAFUJI, Kazuya KAWAMURA, Toru ARAKI, Shinji ONISHI, Yuji OTSUKA
  • Patent number: 10627228
    Abstract: The purpose of the present invention is to provide an object detection device conducive to carrying out control in an appropriate manner according to the surrounding environment, with consideration to the accuracy of locations of detected objects. The device is characterized by being provided with: a parallax information generation unit for generating parallax information from a plurality of parallax images acquired from a plurality of imaging units; an object detection unit for detecting objects contained in the parallax images; a location information generation unit for generating location information about the objects, on the basis of the parallax information; and a location accuracy information generation unit for generating location accuracy information pertaining to the accuracy of the location information, on the basis of the condition of generation of the parallax information.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: April 21, 2020
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masayuki Takemura, Takuma Osato, Takeshi Shima, Yuji Otsuka
  • Publication number: 20200055681
    Abstract: An image forming apparatus includes an apparatus body that forms an image on a recording material; a drawn-out unit that is provided so as to be drawable from the apparatus body and has a mount region on which the recording material is mounted; and a guide unit that is provided on the drawn-out unit and guides the recording material to a position where the recording material is to be mounted on the mount region. The guide unit has a guide surface that guides an end of the recording material, a hook part that is hooked onto the drawn-out unit and determines a position relative to the drawn-out unit, and a release part that releases the hook part from the drawn-out unit by being operated by a user from a guide surface side.
    Type: Application
    Filed: January 22, 2019
    Publication date: February 20, 2020
    Applicant: FUJI XEROX CO.,LTD.
    Inventor: Yuji OTSUKA
  • Patent number: 10509041
    Abstract: Provided is a glucose derivative, which is taken into cells via a membrane sugar transport system and is represented by formula (1). Also provided are an imaging agent and an imaging method for a cell or intracellular molecule using said glucose derivative. Further provided is a method for detecting cancer cells with good accuracy using said glucose derivative and an imaging agent to be used in said method. More specifically provided are D-glucose derivatives and L-glucose derivatives in which glucose is bound to the 7-position of a fluorescent molecular group with a coumarin backbone or a quinolone backbone. Also provided are a cell imaging agent and imaging method using the derivative. A cancer cell imaging agent and imaging method using the L-glucose derivative is also provided. G is a group selected from formulas (G1)-(G4) below.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: December 17, 2019
    Assignee: HIROSAKI UNIVERSITY
    Inventors: Katsuya Yamada, Ayako Sasaki, Tadashi Teshima, Toshihiro Yamamoto, Yuji Otsuka
  • Patent number: 10360436
    Abstract: Provided is an object detection device capable of reliably recognizing a vehicle. This object detection device detects multiple three-dimensional objects from a left image and a right image captured with a left imaging unit and a right imaging unit (S103), extracts, as combination candidates from among the multiple three-dimensional objects, two three-dimensional objects which exist with an interval to the left/right, and determines whether a sparse parallax region, which is a region having a smaller parallax density than left/right regions, exists in an intermediate region between the two three-dimensional objects extracted as combination candidates.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: July 23, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Takuma Osato, Masayuki Takemura, Yuji Otsuka, Takeshi Nagasaki
  • Patent number: 10297155
    Abstract: Provided is an object detector capable of suppressing any decrease in accuracy of object detection under a low illuminance environment such as nighttime or in tunnels, whereby suppressing a failure of Adaptive Cruise Control, pre-crash safety systems, and the like. The object detector includes: a distance information calculation unit 105 configured to calculate distance information to an object around a vehicle from an image captured by a plurality of imaging units 102, 103; an extraction unit 106 configured to extract at least an object existing in a long distance region away from the vehicle and having a specific color from among objects in the image based on the distance information; and an output unit 108 configured to output the distance information to the object having been extracted by the extraction unit 106.
    Type: Grant
    Filed: June 13, 2014
    Date of Patent: May 21, 2019
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventor: Yuji Otsuka
  • Patent number: 10140526
    Abstract: The purpose of the present invention is to provide an object detecting device which is capable of accurately detecting an object even far away, and of shortening processing time. Provided is an object detecting device (100), comprising: a disparity acquisition unit (116) which compares each image of two cameras (112, 113) and computes a disparity for each pixel; a near-far boundary setting unit (118) which, in a single image of one of the two cameras, sets a boundary (Rb) between a near region (R1) which is close to a vehicle (110) and a far region (R2) which is distant from the vehicle (110); a near object detecting unit (119) which detects objects (102, 104) of the near region (R1) on the basis of the disparity; and a far object detecting unit (120) which detects objects (103, 104) of the far region (R2) on the basis of the single image.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: November 27, 2018
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Shinji Kakegawa, Takeshi Shima, Yuji Otsuka
  • Patent number: 10140717
    Abstract: In order to provide an imaging apparatus which minimizes erroneous recognition of a moving body and prevent a braking operation from being erroneously performed, even if the moving body is likely to cross a road, the imaging apparatus includes a correlation value calculation unit that calculates a correlation value from two images captured by two imaging units, a three-dimensional object detection unit that detects a three-dimensional object from the two images, a region dividing unit that divides an image region including the three-dimensional object into multiple regions, a relative speed calculation unit that calculates relative speed for every region of the multiple regions, and a reliability calculation unit that calculates reliability of the three-dimensional object, based on the relative speed calculated for every region.
    Type: Grant
    Filed: February 3, 2014
    Date of Patent: November 27, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Haruki Matono, Mirai Higuchi, Yuji Otsuka
  • Patent number: 10109463
    Abstract: A microwave automatic matcher includes a movable body, a driving unit, a matching control unit, a reflection coefficient measuring unit, and a setting unit. The matching control unit consecutively moves the movable body from a start position in one direction by a distance of a difference between the start position and the target position in a matching operation carried out for the plasma process and then variably controls the position of the movable body until the measurement of the reflection coefficient obtained by the reflection coefficient measuring unit falls within the first neighboring range by monitoring the measurement of the reflection coefficient.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: October 23, 2018
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Kazushi Kaneko, Hideo Kato, Kazunori Funazaki, Yuji Otsuka, Shinji Kawada
  • Patent number: 10078880
    Abstract: The present invention provides CPU load reduction and a method of efficient image data transfer. An image processing device, which comprises an image generating unit (203) which further comprises a plurality of processing units which process a plurality of instances of image information and in where the image generating unit (203) transfers accumulated data for each interrupt factor, comprises: data transfer units for each factor (208-212) which accept the interrupts from the image generating unit (203) for each interrupt factor and transfer the data for each interrupt factor, and notifies a CPU (207) of the interrupt when the transfer of the data to be transferred for each interrupt factor is completed; and a communication line (1) which is connected to the image generating unit (203) and the data transfer units for each factor (208-212).
    Type: Grant
    Filed: May 26, 2014
    Date of Patent: September 18, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Haruki Matono, Yuji Otsuka, Atsushi Ichige, Yoshiyuki Muto, Takeshi Shima
  • Publication number: 20180238899
    Abstract: Provided is a glucose derivative, which is taken into cells via a membrane sugar transport system and is represented by formula (1). Also provided are an imaging agent and an imaging method for a cell or intracellular molecule using said glucose derivative. Further provided is a method for detecting cancer cells with good accuracy using said glucose derivative and an imaging agent to be used in said method. More specifically provided are D-glucose derivatives and L-glucose derivatives in which glucose is bound to the 7-position of a fluorescent molecular group with a coumarin backbone or a quinolone backbone. Also provided are a cell imaging agent and imaging method using the derivative. A cancer cell imaging agent and imaging method using the L-glucose derivative is also provided. G is a group selected from formulas (G1)-(G4) below.
    Type: Application
    Filed: April 19, 2018
    Publication date: August 23, 2018
    Applicant: HIROSAKI UNIVERSITY
    Inventors: Katsuya YAMADA, Ayako SASAKI, Tadashi TESHIMA, Toshihiro YAMAMOTO, Yuji OTSUKA
  • Patent number: 10001487
    Abstract: Provided is a glucose derivative, which is taken into cells via a membrane sugar transport system and is represented by formula (1). Also provided are an imaging agent and an imaging method for a cell or intracellular molecule using said glucose derivative. Further provided are a method for detecting cancer cells with good accuracy using said glucose derivative and an imaging agent to be used in said method. More specifically provided are D-glucose derivatives and L-glucose derivatives in which glucose is bound to the 7-position of a fluorescent molecular group with a coumarin backbone or a quinolone backbone. Also provided are a cell imaging agent and imaging method using the derivative. A cancer cell imaging agent and imaging method using the L-glucose derivative is also provided. G is a group selected from formulas (G1)-(G4) below.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: June 19, 2018
    Assignee: HIROSAKI UNIVERSITY
    Inventors: Katsuya Yamada, Ayako Sasaki, Tadashi Teshima, Toshihiro Yamamoto, Yuji Otsuka
  • Publication number: 20180137339
    Abstract: Provided is an object detection device capable of reliably recognizing a vehicle. This object detection device detects multiple three-dimensional objects from a left image and a right image captured with a left imaging unit and a right imaging unit (S103), extracts, as combination candidates from among the multiple three-dimensional objects, two three-dimensional objects which exist with an interval to the left/right, and determines whether a sparse parallax region, which is a region having a smaller parallax density than left/right regions, exists in an intermediate region between the two three-dimensional objects extracted as combination candidates.
    Type: Application
    Filed: June 15, 2016
    Publication date: May 17, 2018
    Inventors: Takuma OSATO, Masayuki TAKEMURA, Yuji OTSUKA, Takeshi NAGASAKI
  • Publication number: 20180038689
    Abstract: The purpose of the present invention is to provide an object detection device conducive to carrying out control in an appropriate manner according to the surrounding environment, with consideration to the accuracy of locations of detected objects. The device is characterized by being provided with: a parallax information generation unit for generating parallax information from a plurality of parallax images acquired from a plurality of imaging units; an object detection unit for detecting objects contained in the parallax images; a location information generation unit for generating location information about the objects, on the basis of the parallax information; and a location accuracy information generation unit for generating location accuracy information pertaining to the accuracy of the location information, on the basis of the condition of generation of the parallax information.
    Type: Application
    Filed: January 29, 2016
    Publication date: February 8, 2018
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masayuki TAKEMURA, Takuma OSATO, Takeshi SHIMA, Yuji OTSUKA
  • Patent number: 9886649
    Abstract: Provided is an object detection device that makes it possible to more accurately detect a road surface even when an area that is not the road surface occupies the majority of an image and the gradient of the road surface is large, and to detect an obstacle on a road surface with greater accuracy than in the prior art.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: February 6, 2018
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Shinji Kakegawa, Haruki Matono, Yuji Otsuka
  • Patent number: 9835458
    Abstract: A ship assignment device acquires voyage schedule information including an operation time schedule and a sailing route of a voyage. The ship assignment device acquires, from a database, weather information related to the operation time schedule and the sailing route included in the schedule information. The ship assignment device acquires information regarding variations in fuel consumption rate from a database that stores the information for each of plural ships. On the basis of the acquired weather information and acquired information regarding each ship, the ship assignment device calculates the fuel consumption for when each ship sails on the sailing route included in the acquired voyage schedule information in accordance with the operation time schedule included in the voyage schedule information. On the basis of the calculation result, the ship assignment device outputs information identifying plural ships.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: December 5, 2017
    Assignee: NIPPON YUSEN KABUSHIKI KAISHA
    Inventors: Yuji Otsuka, Atsushi Yamaguchi, Masaharu Urabe, Ryo Kakuta
  • Publication number: 20170220877
    Abstract: The purpose of the present invention is to provide an object detecting device which is capable of accurately detecting an object even far away, and of shortening processing time. Provided is an object detecting device (100), comprising: a disparity acquisition unit (116) which compares each image of two cameras (112, 113) and computes a disparity for each pixel; a near-far boundary setting unit (118) which, in a single image of one of the two cameras, sets a boundary (Rb) between a near region (R1) which is close to a vehicle (110) and a far region (R2) which is distant from the vehicle (110); a near object detecting unit (119) which detects objects (102, 104) of the near region (R1) on the basis of the disparity; and a far object detecting unit (120) which detects objects (103, 104) of the far region (R2) on the basis of the single image.
    Type: Application
    Filed: August 3, 2015
    Publication date: August 3, 2017
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: SHINJI KAKEGAWA, Takeshi SHIMA, Yuji OTSUKA