Patents by Inventor Shigeru Nakamura

Shigeru Nakamura 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: 11454005
    Abstract: A controller (21) of a hydraulic excavator (1) performs a first determination of determining whether or not loading of an object to be worked onto a dump truck (2) by the hydraulic excavator has been conducted based on a posture of a work implement (12), calculates a first load that is a load of the object to be worked loaded onto the dump truck by the hydraulic excavator based on a thrust force of a boom cylinder (16) and on a determination result of the first determination, performs a third determination of determining whether or not the first load is to be integrated based on a determination result of a second determination of determining whether or not the loading of the object to be worked onto the dump truck by the hydraulic excavator has been conducted that is transmitted from a controller (40) of the dump truck and on the determination result of the first determination, and calculates a loaded weight on the dump truck by integrating the first load in a case where it is determined by the third determin
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: September 27, 2022
    Assignee: Hitachi Construction Machinery Co., Ltd.
    Inventors: Satoshi Nakamura, Kunitsugu Tomita, Kazunori Hoshino, Shigeru Bandou
  • Publication number: 20220277498
    Abstract: Provided is a processing apparatus capable of obtaining a 2D image from 3D tomographic images, extracting an image for accurate authentication, and extracting an image at a high speed. A processing apparatus includes: means for calculating, from three-dimensional luminance data indicating an authentication target, depth dependence of striped pattern sharpness in a plurality of regions on a plane perpendicular to a depth direction of the target; means for calculating a depth at which the striped pattern sharpness is the greatest in the depth dependence of striped pattern sharpness; rough adjustment means for correcting the calculated depth on the basis of depths of other regions positioned respectively around the plurality of regions; fine adjustment means for selecting a depth closest to the corrected depth and at which the striped pattern sharpness is at an extreme; and means for extracting an image with a luminance on the basis of the selected depth.
    Type: Application
    Filed: August 1, 2019
    Publication date: September 1, 2022
    Applicant: NEC Corporation
    Inventors: Yoshimasa ONO, Shigeru NAKAMURA, Atsufumi SHIBAYAMA, Junichi ABE
  • Patent number: 11431986
    Abstract: Technology for improving coding efficiency by performing a block split suitable for picture coding and decoding is provided.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: August 30, 2022
    Assignee: GODO KAISHA IP BRIDGE 1
    Inventors: Hiroya Nakamura, Toru Kumakura, Shigeru Fukushima, Hideki Takehara, Satoru Sakazume, Hiroyuki Kurashige
  • Patent number: 11416202
    Abstract: A communication terminal includes circuitry to: transmit a participation request for requesting participation in a remote conference being conducted between one or more other communication terminals, to a communication management apparatus that manages data being shared between the other communication terminals; receive screen data of a display screen being currently displayed at the other communication terminals from the communication management apparatus, the screen data of the display screen being one of a plurality of items of screen data generated at at least one of the other communication terminals in the remote conference; and control a display to display the display screen based on the screen data that is received.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: August 16, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiroshi Hinohara, Shigeru Nakamura, Yuichi Kawasaki, Masashi Ogasawara, Takeshi Homma, Atsushi Miyamoto
  • Patent number: 11417144
    Abstract: A technique for accurately extracting a fingerprint image for accurate authentication from 3D tomographic luminance data of a finger at a high speed. A processing apparatus (11) according to the present disclosure includes means for, after performing edge detection processing on a tomographic image (101, 102, . . . 10 k, . . . , 10n) at each depth, calculating the total number of edge pixels in the tomographic image from 3D (three-dimensional) tomographic luminance data, and acquiring depth dependence of the number of edges (111, 112), and means for extracting a tomographic image having a striped pattern from the depth dependence of the number of edges and the 3D tomographic luminance data.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: August 16, 2022
    Assignee: NEC CORPORATION
    Inventors: Yoshimasa Ono, Shigeru Nakamura, Atsufumi Shibayama, Junichi Abe
  • Patent number: 11418628
    Abstract: A communication terminal shares data with another communication terminal. The communication terminal includes circuitry. The circuitry receives, from a communication management apparatus that manages the data shared with the another communication terminal, storage location information representing a storage location of background image data transmitted from the another communication terminal, and transmits a download request to an image storing apparatus corresponding to the storage location to request download of the background image data. The circuitry further starts downloading the background image data from the image storing apparatus and receives, from the communication management apparatus, stroke data of a stroke image rendered on the another communication terminal.
    Type: Grant
    Filed: January 5, 2021
    Date of Patent: August 16, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hideki Shiro, Shigeru Nakamura, Yuichi Kawasaki, Hiroshi Hinohara, Takeshi Homma
  • Patent number: 11398165
    Abstract: The simulator includes a chemical liquid information acquisition section configured to acquire an amount of contrast medium, a target value acquisition section configured to acquire a target duration for which a target pixel value is maintained, a protocol acquisition section configured to acquire a contrast medium injection protocol, and a prediction section for determining a predicted duration, the prediction section configured to simulate the time-dependent change in the pixel value in the tissue of the subject based on the injection protocol and the amount of the contrast medium, and the prediction section compares the predicted duration with the target duration to re-simulate, in a case where the predicted duration is shorter than the target duration, the time-dependent change in a condition where a greater amount of the contrast medium than the amount of the contrast medium used in the simulation is injected to redetermine the predicted duration, and in a case where the predicted duration is longer than
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: July 26, 2022
    Assignees: HIROSHIMA UNIVERSITY, NEMOTO KYORINDO CO., LTD.
    Inventors: Toru Higaki, Kazuo Awai, Yuko Nakamura, Kazumasa Masuda, Koji Yuba, Shigeru Nemoto
  • Patent number: 11398711
    Abstract: A multicore optical fiber amplifier according to an exemplary aspect of the present invention includes a multicore optical fiber amplification medium including, in a clad, a plurality of cores doped with a rare earth element; signal light introduction means for introducing, into each of the plurality of cores, signal light with a wavelength included in a gain band of the multicore optical fiber amplification medium; excitation light introduction means for introducing, into the clad, excitation light for exciting the multicore optical fiber amplification medium; and control light introduction means for introducing control light into each of the plurality of cores, wherein the control light introduction means introduces the control light into a non-signal core into which the signal light is not being introduced, among the plurality of cores, only when the excitation light is being introduced.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: July 26, 2022
    Assignee: NEC CORPORATION
    Inventors: Shigeru Nakamura, Emmanuel Le Taillandier De Gabory, Shigeyuki Yanagimachi
  • Patent number: 11394757
    Abstract: A communication terminal comprising circuitry to: receive selection of screen data, from among one or more items of screen data, as sharing target data to be shared with other communication terminal, each screen data to be used for generating a display screen and having been generated at the communication terminal; and share the sharing target data with the other communication terminal.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: July 19, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Kazunobu Takahashi, Hiroshi Hinohara, Takeshi Homma, Atsushi Miyamoto, Shigeru Nakamura, Yuichi Kawasaki, Masashi Ogasawara
  • Publication number: 20220217362
    Abstract: An image conversion apparatus adapted to convert a coded picture that includes a slice including an integer number of rectangular areas each including a collection of one or more rows of blocks, the blocks being derived from dividing an image into blocks of a predetermined size, is provided. The apparatus converts the coded picture so as to reconfigure a relationship between the slice and the rectangular areas included in the coded picture, when a slice boundary and a rectangular area boundary in the coded picture are equal in terms of whether to apply a loop filter and converts the coded picture so as not to change the relationship between the slice and the rectangular areas included in the coded picture when the slice boundary and the rectangular area boundary in the coded picture are not equal in terms of whether to apply a loop filter.
    Type: Application
    Filed: March 18, 2022
    Publication date: July 7, 2022
    Inventors: Hideki TAKEHARA, Hiroya NAKAMURA, Satoru SAKAZUME, Shigeru FUKUSHIMA, Toru KUMAKURA, Hiroyuki KURASHIGE
  • Publication number: 20220214156
    Abstract: An optical coherence tomography apparatus (100) includes a wavelength sweeping laser light source (101), a branching and merging device (103) that branches a light beam emitted from the wavelength sweeping laser light source (101) into an object light beam and a reference light beam, an optical spectrum data generation unit (108) that generates information about wavelength dependence of an intensity difference between a plurality of interference light beams generated by interference between an object light beam scattered from a measurement object (200) and a reference light beam, and a control unit (109) that acquires structural data of the measurement object (200) in a depth direction on the basis of the information about wavelength dependence, and connects a plurality of pieces of structural data in the depth direction acquired at different positions in a scanning direction of the measurement object (200), wherein preliminary measurement is performed by causing the wavelength sweeping laser light source (10
    Type: Application
    Filed: May 16, 2019
    Publication date: July 7, 2022
    Applicant: NEC Corporation
    Inventors: Atsufumi SHIBAYAMA, Shigeru NAKAMURA
  • Patent number: 11374377
    Abstract: It is necessary to reduce the power consumption of a plurality of optical amplifiers when there is a difference in the required pumping power between the plurality of optical amplifiers; therefore, an optical amplifying apparatus according to an exemplary aspect of the invention includes a plurality of optical amplifying means for amplifying a plurality of optical signals, each of the plurality of optical amplifying means including a gain medium; a plurality of laser light generating means for generating a plurality of laser beams; at least one optical coupling means for coupling the plurality of laser beams variably in accordance with a coupling factor and outputting a plurality of excitation light beams, each of the plurality of excitation light beams exciting the gain medium; and controlling means for controlling the coupling factor and an output power of each of the plurality of laser light generating means.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: June 28, 2022
    Assignee: NEC CORPORATION
    Inventors: Emmanuel Le Taillandier De Gabory, Shigeyuki Yanagimachi, Shigeru Nakamura, Keiichi Matsumoto
  • Patent number: 11329444
    Abstract: To solve the problem that the power consumption of optical amplifiers is not optimized over the life time of an amplifier, the optical amplifier includes a gain medium for amplifying a plurality of optical channels, the gain medium including a plurality of cores through which the plurality of optical channels to propagate respectively and a cladding area surrounding the plurality of cores, a monitor that monitors the temperature of the optical amplifier and producing a monitoring result, a first light source that emits a first light beam to excite the cladding area, a second light source that emits a plurality of second light beams to excite each of the plurality of cores individually, and a controller that controls the first light source and the second light source based on the produced monitoring result.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: May 10, 2022
    Assignee: NEC CORPORATION
    Inventors: Emmanuel Le Taillandier de Gabory, Shigeru Nakamura, Shigeyuki Yanagimachi, Keiichi Matsumoto
  • Publication number: 20220139105
    Abstract: A technique for accurately extracting a fingerprint image for accurate authentication from 3D tomographic luminance data of a finger at a high speed. A processing apparatus (11) according to the present disclosure includes means for, after performing edge detection processing on a tomographic image (101, 102, . . . 10 k, . . . , 10n) at each depth, calculating the total number of edge pixels in the tomographic image from 3D (three-dimensional) tomographic luminance data, and acquiring depth dependence of the number of edges (111, 112), and means for extracting a tomographic image having a striped pattern from the depth dependence of the number of edges and the 3D tomographic luminance data.
    Type: Application
    Filed: February 22, 2019
    Publication date: May 5, 2022
    Applicant: NEC Corporation
    Inventors: Yoshimasa ONO, Shigeru NAKAMURA, Atsufumi SHIBAYAMA, Junichi ABA
  • Patent number: 11294495
    Abstract: For the purpose of improving the usability of an electronic whiteboard in, for example, setting work by a user, an electronic whiteboard (2) of the present invention includes: an event acquisition unit (22, 24) configured to acquire information indicating an object coming into contact with a display (3, 115) and event information such as the coordinates of a contact location; an identifying unit (25, 38) configured to identify whether the contact object is an electronic pen (4) or a user's hand, and identify the event type, such as stroke drawing, UI operation, or gesture operation, from the coordinates of a contact location and the model name of an electronic whiteboard; and a processing unit (26, 27, 32) configured to perform processing on the event the type of which has been identified.
    Type: Grant
    Filed: July 9, 2020
    Date of Patent: April 5, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Shigeru Nakamura, Yuichi Kawasaki
  • Publication number: 20220098419
    Abstract: Provided is a method for producing a cured product film, which is capable of increasing the formation accuracy of a fine cured product film and also increasing the adhesion of the cured product film. The method for producing a curable film according to the present invention includes an application step in which a curable composition that is photocurable and thermocurable and also is in liquid form is applied using an ink jet device, a first light irradiation step in which the curable composition is irradiated with light from a first light irradiation part, and a heating step in which a precured product film irradiated with light is heated, the ink jet device has an ink tank to store the curable composition, a discharge part, and a circulation flow path part, and in the application step, the curable composition is applied while being circulated in the ink jet device.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 31, 2022
    Inventors: Mitsuru Tanikawa, Takashi Watanabe, Michihisa Ueda, Shigeru Nakamura, Hiroshi Maenaka, Ryosuke Takahashi, Takanori Inoue, Yoshito Fujita, Osamu Inui
  • Publication number: 20220065615
    Abstract: An optical coherence tomography device is provided with a split beam generating means which splits a beam emitted from a single light source into at least four split beams and outputs these, a measurement beam irradiating means which irradiates measurement beams onto different positions of a measurement target through a mechanism that can change the position of said measurement beams on the measurement target, a reference beam irradiating means which irradiates at least two of the at least four split beams that are not the measurement beams onto a reference beam mirror as reference beams, and an optical spectrum data generating means which acquires depth-direction structural data about the measurement target from interference light obtained by causing one of the reference beams reflected by the reference beam mirror to interfere with each of the measurement beams reflected or scattered by the measurement target.
    Type: Application
    Filed: December 20, 2018
    Publication date: March 3, 2022
    Applicant: NEC Corporation
    Inventor: Shigeru NAKAMURA
  • Patent number: 11264776
    Abstract: In order to solve the problem that the power consumption of optical amplifiers is not optimized over the life time of a network whose capacity in use varies, an optical amplifier according to an exemplary aspect of the invention includes a gain medium for amplifying a plurality of optical channels, the gain medium including a plurality of cores through which the plurality of optical channels to propagate respectively and a cladding area surrounding the plurality of cores; monitoring means for monitoring the plurality of optical channels inputted into the gain medium and producing a monitoring result; a first light source configured to emit a first light beam to excite the cladding area; a second light source configured to emit a plurality of second light beams to excite each of the plurality of cores individually; and controlling means for making a decision as to whether each of the plurality of cores to transmit one of the plurality of optical channels based on the monitoring result, and controlling the firs
    Type: Grant
    Filed: April 21, 2016
    Date of Patent: March 1, 2022
    Assignee: NEC CORPORATION
    Inventors: Emmanuel Le Taillandier De Gabory, Shigeru Nakamura
  • Publication number: 20220044431
    Abstract: A communication system includes a first communication terminal and a second communication terminal that shares a plurality of images with the first communication terminal. The first communication terminal includes first circuitry that receives a change of a display order of the plurality of images displayed on a display of the first communication terminal; and transmit information regarding the changed display order of the plurality of images to the second communication terminal. The second communication terminal includes second circuitry to change the display order of the plurality of images displayed on a display of the second communication terminal in accordance with the information regarding the display order of the plurality of images received from the first communication terminal. A method for communicating, performed by a communication terminal, the communication terminal, and a non-transitory recording medium executing the method for communicating are provided.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 10, 2022
    Inventors: Shigeru NAKAMURA, Yuichi KAWASAKI, Hiroshi HINOHARA, Takeshi HOMMA
  • Publication number: 20220035958
    Abstract: A communication terminal, a system, a method, and a control program stored in a non-transitory recording medium for controlling capturing of an image, each of which displays, on a display of the communication terminal, an image based on image data to be shared with a counterpart communication terminal; receives an instruction to prohibit capturing of a screen that includes the image based on the image data; and transmits, from the communication terminal to the counterpart communication terminal, information related to the instruction to prohibit capturing of the screen.
    Type: Application
    Filed: July 27, 2021
    Publication date: February 3, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Takeshi Homma, Hiroshi Hinohara, Shigeru Nakamura, Yuichi Kawasaki