Patents by Inventor Masaki Yamazaki

Masaki Yamazaki 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: 10354150
    Abstract: According to one embodiment, an apparatus for generating an occupancy grid map constituted with a two-dimensional grid around a first moving body includes processing circuitry configured to acquire data of a distance from the first moving body to an obstacle lying in surroundings of the first moving body; acquire first information indicating the movement status of the first moving body at current time and determine an operation mode of the first moving body; set a range of interest in a grid of a resolution higher than a resolution of the grid of the occupancy grid map, from the operation mode; and align the occupancy grid map to the range of interest and generate the occupancy grid map in such a manner that the obstacle exists in the grid of the occupancy grid map and the grid of the range of interest with respect to a position corresponding to the distance data.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: July 16, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masaki Yamazaki, Tsuyoshi Tasaki, Rie Katsuki, Tomoki Watanabe, Masahiro Sekine, Manabu Nishiyama
  • Publication number: 20190093766
    Abstract: A gear position detecting device includes a rotation angle sensor for detecting a turn position of a shift drum and a position sensor for detecting that the shift drum is at a neutral position. The rotation angle sensor is a volume sensor that linearly increases or decreases an output voltage according to a turning motion of the shift drum. The neutral position is set in such a way as not to overlap a dead zone. It is determined according to an output signal of the rotation angle sensor and an output signal of the position sensor whether the shift drum is at a reverse gear position located between the neutral position and the dead zone or a fifth gear position turned by 360 degrees from the reverse gear position. Such detecting device detects a gear position with a high accuracy even if the number of gear positions are increased.
    Type: Application
    Filed: September 26, 2018
    Publication date: March 28, 2019
    Inventors: Yasuhiro NOZAKI, Masaki YAMAZAKI, Naoki KOBAYASHI, Hayato YOSHIDA, Naoki SAKAMOTO, Dai ARAI
  • Publication number: 20190093765
    Abstract: A gear position of a multi-position transmission, which shifts and drives a vehicle according to a turn motion of a shift drum, is detected by a plurality of sensors. An end portion of the shift drum is fitted with an end portion of an elongated shaft rotated coaxially with the shift drum. A first sensor which is fitted to other end portion of the elongated shaft detects a turn position of the elongated shaft. A second sensor which is located outside in a radial direction of the elongated shaft between the one end portion and the other end portion of the elongated shaft detects that the elongated shaft is located at a specified turn position. The first sensor and the second sensor are fitted from the outside of a transmission case of the multi-position transmission and are exposed to the outside of the transmission case.
    Type: Application
    Filed: September 25, 2018
    Publication date: March 28, 2019
    Inventors: Daisuke KUBOTA, Hayato YOSHIDA, Masaki YAMAZAKI, Shinichiro KEYAKI, Yasuaki TEZUKA
  • Publication number: 20190072746
    Abstract: An imaging lens is provided with: a first lens with negative power; a second lens with negative power; a third lens with positive power; and a fourth lens with positive power. The cemented fourth lens is formed from an object side lens with negative power and an image side lens with positive power. The thickness of a resin adhesive layer that bonds the object side lens and the image side lens is 20 ?m or greater on the optical axis, and when Sg1H is the amount of sag in the image side lens surface of the object side lens and Sg2H is the amount of sag in the object side lens surface of the image side lens. The bonding operation is easy without damage occurring to the cemented surfaces, with a design that takes into account thickness of the resin adhesive layer; therefore various forms of aberration can be corrected.
    Type: Application
    Filed: November 6, 2018
    Publication date: March 7, 2019
    Applicant: MAXELL, LTD.
    Inventors: Masaki YAMAZAKI, Takashi SUGIYAMA
  • Patent number: 10168508
    Abstract: An imaging lens is provided with: a first lens with negative power; a second lens with negative power; a third lens with positive power; and a fourth lens with positive power. The cemented fourth lens is formed from an object side lens with negative power and an image side lens with positive power. The thickness of a resin adhesive layer that bonds the object side lens and the image side lens is 20 ?m or greater on the optical axis, and when Sg1H is the amount of sag in the image side lens surface of the object side lens and Sg2H is the amount of sag in the object side lens surface of the image side lens. The bonding operation is easy without damage occurring to the cemented surfaces, with a design that takes into account thickness of the resin adhesive layer; therefore various forms of aberration can be corrected.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: January 1, 2019
    Assignee: MAXELL, LTD.
    Inventors: Masaki Yamazaki, Takashi Sugiyama
  • Patent number: 10018812
    Abstract: An imaging lens is provided with: a first lens with negative power; a second lens with negative power; a third lens with positive power; and a fourth lens with positive power. The cemented fourth lens is formed from an object side lens with negative power and an image side lens with positive power. The thickness of a resin adhesive layer that bonds the object side lens and the image side lens is 20 ?m or greater on the optical axis, and when Sg1H is the amount of sag in the image side lens surface of the object side lens and Sg2H is the amount of sag in the object side lens surface of the image side lens. The bonding operation is easy without damage occurring to the cemented surfaces, with a design that takes into account thickness of the resin adhesive layer; therefore various forms of aberration can be corrected.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: July 10, 2018
    Assignee: MAXELL, LTD.
    Inventors: Masaki Yamazaki, Takashi Sugiyama
  • Publication number: 20170212335
    Abstract: An imaging lens is provided with: a first lens with negative power; a second lens with negative power; a third lens with positive power; and a fourth lens with positive power. The cemented fourth lens is formed from an object side lens with negative power and an image side lens with positive power. The thickness of a resin adhesive layer that bonds the object side lens and the image side lens is 20 ?m or greater on the optical axis, and when Sg1H is the amount of sag in the image side lens surface of the object side lens and Sg2H is the amount of sag in the object side lens surface of the image side lens. The bonding operation is easy without damage occurring to the cemented surfaces, with a design that takes into account thickness of the resin adhesive layer; therefore various forms of aberration can be corrected.
    Type: Application
    Filed: March 15, 2017
    Publication date: July 27, 2017
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Masaki YAMAZAKI, Takashi SUGIYAMA
  • Patent number: 9710899
    Abstract: An image processing device includes an acquisitor and a processor. The acquisitor acquires information including a first image of an object and a first relationship. The first image includes first and second image areas. The first image area corresponds to a first position of a first part of the object and has a first pixel value. The second image area corresponds to a second position of a second part of the object and has a second pixel value. The processor performs generating a first generated image including a third and a fourth image areas corresponding to the first and the second positions, determining a third pixel value of the third image area and a fourth pixel value of the fourth image area, and calculating a first distance corresponding to a length of the third image area and a second distance corresponding to a length of the fourth image area.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: July 18, 2017
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihito Seki, Takaaki Kuratate, Norihiro Nakamura, Masaki Yamazaki, Ryo Nakashima
  • Publication number: 20170116487
    Abstract: According to one embodiment, an apparatus for generating an occupancy grid map constituted with a two-dimensional grid around a first moving body includes processing circuitry configured to acquire data of a distance from the first moving body to an obstacle lying in surroundings of the first moving body; acquire first information indicating the movement status of the first moving body at current time and determine an operation mode of the first moving body; set a range of interest in a grid of a resolution higher than a resolution of the grid of the occupancy grid map, from the operation mode; and align the occupancy grid map to the range of interest and generate the occupancy grid map in such a manner that the obstacle exists in the grid of the occupancy grid map and the grid of the range of interest with respect to a position corresponding to the distance data.
    Type: Application
    Filed: September 8, 2016
    Publication date: April 27, 2017
    Inventors: Masaki YAMAZAKI, Tsuyoshi TASAKI, Rie KATSUKI, Tomoki WATANABE, Masahiro SEKINE, Manabu NISHIYAMA
  • Patent number: 9632292
    Abstract: An imaging lens is provided with: a first lens with negative power; a second lens with negative power; a third lens with positive power; and a fourth lens with positive power. The cemented fourth lens is formed from an object side lens with negative power and an image side lens with positive power. The thickness of a resin adhesive layer that bonds the object side lens and the image side lens is 20 ?m or greater on the optical axis, and when Sg1H is the amount of sag in the image side lens surface of the object side lens and Sg2H is the amount of sag in the object side lens surface of the image side lens. The bonding operation is easy without damage occurring to the cemented surfaces, with a design that takes into account thickness of the resin adhesive layer; therefore various forms of aberration can be corrected.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: April 25, 2017
    Assignee: HITACHI MAXELL, LTD.
    Inventors: Masaki Yamazaki, Takashi Sugiyama
  • Publication number: 20170045711
    Abstract: An imaging lens is provided with: a first lens with negative power; a second lens with negative power; a third lens with positive power; and a fourth lens with positive power. The cemented fourth lens is formed from an object side lens with negative power and an image side lens with positive power. The thickness of a resin adhesive layer that bonds the object side lens and the image side lens is 20 ?m or greater on the optical axis, and when Sg1H is the amount of sag in the image side lens surface of the object side lens and Sg2H is the amount of sag in the object side lens surface of the image side lens. The bonding operation is easy without damage occurring to the cemented surfaces, with a design that takes into account thickness of the resin adhesive layer; therefore various forms of aberration can be corrected.
    Type: Application
    Filed: October 28, 2016
    Publication date: February 16, 2017
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Masaki YAMAZAKI, Takashi SUGIYAMA
  • Patent number: 9513114
    Abstract: According to an embodiment, a measuring device includes a projector, an image capturing unit, and a first calculator. The projector projects, onto a target, a first superimposed pattern which is obtained by superimposing a first pattern having a periodic change and a second pattern configured with a first design for specifying a period of the first pattern. The image capturing unit captures the target, onto which the first superimposed pattern is projected to obtain an image. The first calculator performs matching of the first design taken by the image capturing unit, which is included in the first superimposed pattern in the image, with the first design projected by the projecting unit, and calculates correspondence between a second superimposed pattern, which points to the first superimposed pattern captured in the image, and the first superimposed pattern.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: December 6, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Masaki Yamazaki, Akihito Seki, Satoshi Ito, Yuta Itoh, Hideaki Uchiyama, Ryuzo Okada
  • Patent number: 9471830
    Abstract: An example collation apparatus includes a user information storage medium and processing circuitry. The processing circuitry is configured to at least receive a captured image including a face of a user and a non-facial object; detect a face region from the image; set an object region corresponding to the location of the non-facial object in the image; extract a face feature vector from the face region and collate the extracted face feature vector with face feature vectors stored in the user information storage medium; extract an object feature vector from the object region and collate the extracted object feature vector with object feature vectors stored in the user information storage medium; and calculate a collation result of the user using at least one of a collation result of face feature vectors and a collation result of object feature vectors.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: October 18, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomokazu Kawahara, Tatsuo Kozakaya, Tomoki Watanabe, Masaki Yamazaki
  • Patent number: 9445008
    Abstract: An area identifying device includes a projecting unit, an image capturing unit, a calculating unit, and an identifying unit. The projecting unit is configured to project a pattern so that the pattern performs a predetermined movement. The image capturing unit is configured to capture, in sequential order, multiple images of a projection area on which the pattern is projected, each image including a plurality of image areas. The calculating unit is configured to calculate an amount of change of pattern appearances for each image area in the multiple images. The identifying unit is configured to identify, as a reflective area, at least one image area having a different amount of change of the pattern appearances from a reference amount of change of the pattern appearances based on the predetermined movement, among the calculated amounts of change of the pattern appearances.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: September 13, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Masaki Yamazaki, Akihito Seki, Kenichi Shimoyama, Satoshi Ito, Yuta Itoh, Ryuzo Okada
  • Publication number: 20160259153
    Abstract: An imaging lens is provided with: a first lens with negative power; a second lens with negative power; a third lens with positive power; and a fourth lens with positive power. The cemented fourth lens is formed from an object side lens with negative power and an image side lens with positive power. The thickness of a resin adhesive layer that bonds the object side lens and the image side lens is 20 ?m or greater on the optical axis, and when Sg1H is the amount of sag in the image side lens surface of the object side lens and Sg2H is the amount of sag in the object side lens surface of the image side lens. The bonding operation is easy without damage occurring to the cemented surfaces, with a design that takes into account thickness of the resin adhesive layer; therefore various forms of aberration can be corrected.
    Type: Application
    Filed: April 27, 2016
    Publication date: September 8, 2016
    Applicant: HITACHI MAXELL, LTD.
    Inventors: Masaki YAMAZAKI, Takashi SUGIYAMA
  • Patent number: 9383221
    Abstract: According to an embodiment, a measuring device includes a measuring unit, a capturing unit, an estimation unit, a calculator, and a detector. The estimation unit estimates, for each irradiated point, an estimated projection position on the image, using a direction and a distance of the irradiated point and calibration information based on calibration of a measuring unit and a capturing unit. The calculator calculates, for each irradiated point, an amount of change in reflection intensity and obtains a reflection intensity change point. The calculator calculates, for each estimated projection position, an amount of change in brightness and obtains a brightness change point. The detector detects a calibration shift between the measuring unit and the capturing unit by comparing the reflection intensity change point and the brightness change point.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: July 5, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yuta Itoh, Akihito Seki, Kenichi Shimoyama, Satoshi Ito, Masaki Yamazaki
  • Patent number: 9360656
    Abstract: An imaging lens is provided with: a first lens with negative power; a second lens with negative power; a third lens with positive power; and a fourth lens with positive power. The cemented fourth lens is formed from an object side lens with negative power and an image side lens with positive power. The thickness of a resin adhesive layer that bonds the object side lens and the image side lens is 20 ?m or greater on the optical axis, and when Sg1H is the amount of sag in the image side lens surface of the object side lens and Sg2H is the amount of sag in the object side lens surface of the image side lens. The bonding operation is easy without damage occurring to the cemented surfaces, with a design that takes into account thickness of the resin adhesive layer; therefore various forms of aberration can be corrected.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: June 7, 2016
    Assignee: HITACHI MAXELL, LTD.
    Inventors: Masaki Yamazaki, Takashi Sugiyama
  • Publication number: 20160139269
    Abstract: According to one embodiment, an elevator shaft internal configuration measuring device includes a position calculator and a calculating unit. The position calculator derives a positional information of a moving object moving through an interior of an elevator shaft having an inner side. The calculating unit calculates a configuration of the elevator shaft based on an operation information, a distance data, and the positional information. The operation information relates to an operation of a holder holding a laser rangefinder mounted to the moving object. The distance data is obtained from the laser rangefinder. The operation includes switching between a first state and a second state based on the positional information. The laser rangefinder irradiates the laser light onto a first region of the inner side in the first state. The laser rangefinder irradiates the laser light onto a second region of the inner side in the second state.
    Type: Application
    Filed: November 17, 2015
    Publication date: May 19, 2016
    Inventors: Masaki YAMAZAKI, Akihito SEKI, Norihiro NAKAMURA
  • Publication number: 20160140736
    Abstract: According to one embodiment, a viewpoint position calculation device includes a shape acquisitor, a measurement information acquisitor, and a viewpoint position calculator. The shape acquisitor is configured to acquire a shape data representing a three-dimensional shape of an object including first and second positions. The measurement information acquisitor is configured to acquire a first measurement information data including line segment data related to a line segment connecting the first position with the second position. The viewpoint position calculator is configured to calculate a viewpoint based on the shape data and the first measurement information data. A first image of the object as viewed from the viewpoint is generated based on the shape data and the line segment data. The first image includes an image of a first region of the object and an image of the line segment. The first region includes the first position and the second position.
    Type: Application
    Filed: November 18, 2015
    Publication date: May 19, 2016
    Inventors: Norihiro NAKAMURA, Akihito SEKI, Masaki YAMAZAKI, Takaaki KURATATE, Ryo NAKASHIMA
  • Publication number: 20160133008
    Abstract: According to one embodiment, a crack data collection method includes acquiring an image obtained by photographing an inspection object region for a crack in a structure, detecting a crack pixel group included in the inspection object region from the image, successively setting turning points from a starting point to an end point on a contour of the crack pixel group, and analyzing and collecting positions of the starting point, the turning points, and the end point and a vector of each of the points, as crack data.
    Type: Application
    Filed: September 10, 2015
    Publication date: May 12, 2016
    Inventors: Takaaki Kuratate, Susumu Kubota, Norihiro Nakamura, Ryo Nakashima, Masaki Yamazaki, Akihito Seki