Patents by Inventor Naoki Kojima

Naoki Kojima 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: 11956504
    Abstract: Provided is a content distribution server which is able to establish restrictions on the public disclosure of an object displayed in virtual space at the convenience of the distributor. The content distribution server comprises: a distribution unit that distributes live content for synthesizing video in virtual space using information from the distributor as virtual character information; and a first setting receiving unit that receives from the distributor terminal used by the distributor public disclosure restriction settings for establishing restrictions on objects present in virtual space displayed on the distributor terminal that can be viewed on a viewer terminal used by a viewer to view live content.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: April 9, 2024
    Assignee: DWANGO CO., LTD.
    Inventors: Nobuo Kawakami, Kentarou Matsui, Shinnosuke Iwaki, Takashi Kojima, Naoki Yamaguchi
  • Publication number: 20240063689
    Abstract: A deceleration mechanism is provided with first and second gears, a first tooth part arranged in the first gear and extending spirally in an axial direction of the first gear, an engagement projected part arranged on the first tooth part, second tooth parts arranged on the second gear, and an engagement recessed part arranged between the adjacent second tooth parts. The engagement projected part is formed in an arc shape in a direction orthogonal to the axial direction of the first gear and has a curvature center eccentric from a rotation center of the first gear. The second tooth parts are inclined with respect to the axial direction of the first gear and arranged in a circumferential direction of the second gear. The engagement projected part is formed in an arc-shape in a direction orthogonal to the axial direction of the first gear and engaged with the engagement projected part.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 22, 2024
    Applicant: MITSUBA Corporation
    Inventors: NAOKI KOJIMA, MOTOAKI KOBAYASHI, TEPPEI TOKIZAKI, Yoshichika KAWASHIMA
  • Patent number: 11894753
    Abstract: A deceleration mechanism is provided with first and second gears, a first tooth part arranged in the first gear and extending spirally in an axial direction of the first gear, an engagement projected part arranged on the first tooth part, second tooth parts arranged on the second gear, and an engagement recessed part arranged between the adjacent second tooth parts. The engagement projected part is formed in an arc shape in a direction orthogonal to the axial direction of the first gear and has a curvature center eccentric from a rotation center of the first gear. The second tooth parts are inclined with respect to the axial direction of the first gear and arranged in a circumferential direction of the second gear. The engagement projected part is formed in an arc-shape in a direction orthogonal to the axial direction of the first gear and engaged with the engagement projected part.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: February 6, 2024
    Assignee: MITSUBA Corporation
    Inventors: Naoki Kojima, Motoaki Kobayashi, Teppei Tokizaki, Yoshichika Kawashima
  • Patent number: 11719310
    Abstract: A speed reduction mechanism and a motor equipped with the speed reduction mechanism are provided. A pinion gear is provided with one spiral engagement projected part, and a helical gear is provided with a plurality of engagement recessed parts with which the engagement projected part is engaged. The engagement projected part and the engagement recessed part are formed so that their cross-sectional shapes along a direction orthogonal to an axial direction of the pinion gear are in arc shapes. A shape of helical teeth and a shape of the engagement recessed part are determined based on a shape of the engagement projected part provided on a spiral tooth.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: August 8, 2023
    Assignee: MITSUBA Corporation
    Inventors: Teppei Tokizaki, Naoki Kojima, Motoaki Kobayashi, Shunji Kumagai
  • Publication number: 20230020598
    Abstract: A non-transitory computer-readable recording medium stores a job operation program for causing a computer to execute processing including: in a case of linking a schedule server that distributes batch processing of executing a plurality of jobs in a predetermined order to a plurality of machines and executes the batch processing with a cloud service equipped with an autoscale function, extracting host information to be autoscaled and an autoscale type using a function service included in the cloud service at a moment of autoscaling of one of the machines; and changing a host list in the schedule server on the basis of the extracted host information and autoscale type.
    Type: Application
    Filed: March 10, 2022
    Publication date: January 19, 2023
    Applicant: FUJITSU LIMITED
    Inventors: Naoki Kojima, Daiki Yoshikawa, Yoshihiro Kimura, Yukihiro Takeuchi
  • Publication number: 20220316558
    Abstract: A speed reduction mechanism and a motor equipped with the speed reduction mechanism are provided. A pinion gear is provided with one spiral engagement projected part, and a helical gear is provided with a plurality of engagement recessed parts with which the engagement projected part is engaged. The engagement projected part and the engagement recessed part are formed so that their cross-sectional shapes along a direction orthogonal to an axial direction of the pinion gear are in arc shapes. A shape of helical teeth and a shape of the engagement recessed part are determined based on a shape of the engagement projected part provided on a spiral tooth.
    Type: Application
    Filed: June 26, 2020
    Publication date: October 6, 2022
    Applicant: MITSUBA Corporation
    Inventors: TEPPEI TOKIZAKI, NAOKI KOJIMA, MOTOAKI KOBAYASHI, SHUNJI KUMAGAI
  • Patent number: 11011812
    Abstract: A secondary battery includes a diaphragm which is disposed on a current path between a current collector plate connected to a wound electrode group in a battery container and an external terminal, deforms when an internal pressure of the battery container increases, and breaks the current path. The diaphragm has a convex portion which protrudes to the current collector plate. The current collector plate has a through-hole into which the convex portion is inserted. An inner wall portion of the through-hole and a side wall portion of the convex portion facing each other are welded.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: May 18, 2021
    Assignee: Vehicle Energy Japan Inc.
    Inventors: Kazuaki Urano, Keisuke Sawada, Shou Saimaru, Naoki Kojima
  • Publication number: 20210021174
    Abstract: A deceleration mechanism is provided with first and second gears, a first tooth part arranged in the first gear and extending spirally in an axial direction of the first gear, an engagement projected part arranged on the first tooth part, second tooth parts arranged on the second gear, and an engagement recessed part arranged between the adjacent second tooth parts. The engagement projected part is formed in an arc shape in a direction orthogonal to the axial direction of the first gear and has a curvature center eccentric from a rotation center of the first gear. The second tooth parts are inclined with respect to the axial direction of the first gear and arranged in a circumferential direction of the second gear. The engagement projected part is formed in an arc-shape in a direction orthogonal to the axial direction of the first gear and engaged with the engagement projected part.
    Type: Application
    Filed: April 3, 2019
    Publication date: January 21, 2021
    Applicant: MITSUBA Corporation
    Inventors: Naoki KOJIMA, Motoaki KOBAYASHI, Teppei TOKIZAKI, Yoshichika KAWASHIMA
  • Patent number: 10791209
    Abstract: A communication unit transmits an SSID of an access point which is a connection target in a first wireless communication scheme to electronic equipment in compliance with a second wireless communication scheme and receives an identifier of the electronic equipment in compliance with both the first wireless communication scheme and the second wireless communication scheme. When it is determined that both identifiers match, a processing unit notifies that a connection between the electronic equipment and the access point is successful.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: September 29, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Junpei Koizumi, Kenji Sakuda, Naoki Kojima
  • Patent number: 10615650
    Abstract: An electric motor includes a yoke having a cylindrical section, two pairs of permanent magnets disposed at an inner circumferential surface of the cylindrical section to oppose each other, and an armature rotatably supported further inside in a radial direction than the permanent magnets, wherein at least a pair of first flat sections opposing each other in the radial direction are formed at the cylindrical section, and the permanent magnets are disposed at positions distant from the first flat sections.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: April 7, 2020
    Assignee: Mitsuba Corporation
    Inventors: Yoshichika Kawashima, Teppei Tokizaki, Naoki Kojima
  • Patent number: 10594233
    Abstract: A brushless motor (18) which supplies currents to coils (U1, U2, V1, V2, W1, and W2) and rotates a rotor (27), the brushless motor comprising a control apparatus (37) which switches and selectively executes: first energization control to start energization to the coils (U1, U2, V1, V2, W1, and W2) at first timing, and to continue the energization for a first period to control the rotation number of the rotor (27); and second energization control to start energization to the coils (U1, U2, V1, V2, W1, and W2) at second timing advanced by an electric angle with respect to the first timing, and to continue the energization for a second period longer than the first period to control the rotation number of the rotor (27).
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 17, 2020
    Assignee: Mitsuba Corporation
    Inventors: Tomohiko Annaka, Hiroto Tanaka, Naoki Kojima, Toru Furusawa, Tomofumi Kobayashi
  • Publication number: 20200084313
    Abstract: A communication unit transmits an SSID of an access point which is a connection target in a first wireless communication scheme to electronic equipment in compliance with a second wireless communication scheme and receives an identifier of the electronic equipment in compliance with both the first wireless communication scheme and the second wireless communication scheme. When it is determined that both identifiers match, a processing unit notifies that a connection between the electronic equipment and the access point is successful.
    Type: Application
    Filed: September 4, 2019
    Publication date: March 12, 2020
    Inventors: Junpei KOIZUMI, Kenji SAKUDA, Naoki KOJIMA
  • Patent number: 10469004
    Abstract: A motor drive apparatus includes: a stage determination part that determines a position of the rotor based on a combination of states of a plurality of the output signals; and a power distribution timing determination part which determines that a power distribution timing when power is distributed to the coil is a timing obtained by advancing an angle by an amount that corresponds to a predetermined electric angle in a startup time of the motor, wherein, when a rotation speed of the motor becomes a predetermined rotation speed or more, the power distribution timing determination part determines that a timing when a predetermined period of time elapses since a position of the rotor arrives at a position of an electric angle that corresponds to a displacement amount of an electric angle which is arbitrarily advanced with respect to a predetermined electric angle that is advanced in the startup time is a power distribution timing.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: November 5, 2019
    Assignee: Mitsuba Corporation
    Inventors: Naoki Kojima, Tomofumi Kobayashi, Atsushi Kawasaki
  • Publication number: 20190278568
    Abstract: A non-transitory computer-readable recording medium recording a generation program for causing a computer to execute processing includes: referring to a storage which identifiably stores whether or not an input value is specified for each of a plurality of programs corresponding to a plurality of processing included in a workflow to be created; specifying a first program in which the input value is specified and a second program in which the input value is not specified from among the plurality of programs; determining whether or not the input value of the second program is estimated based on the input value of the first program and a positional relation in the workflow between the specified first program and second program; and setting the input value of the first program as the input value of the second program when determining that the input value of the second program is estimated.
    Type: Application
    Filed: January 31, 2019
    Publication date: September 12, 2019
    Applicant: FUJITSU LIMITED
    Inventors: Naoki Kojima, Yasuo Sezaki, Akiko Matsumoto, Yoshihiro Kimura, Yuji Aoki, Makoto Ikeyama, Shinji Haseo
  • Patent number: 10397514
    Abstract: When deforming a first image into a second image and generating a third image which contains the second image, coordinate values indicating a position of each of a plurality of grid points after deformation disposed in the second image are stored, and it is determined whether or not a pixel of interest in the third image locates in the second image, based on the stored coordinate values.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: August 27, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Naoki Kojima
  • Patent number: 10336299
    Abstract: In a brushless wiper motor, first and second pressing claws (43a and 43b) are formed on an outer periphery (OP) of steel sheets (34a) forming a stator core (34), and press-fitted to an inner periphery (IP) of the motor housing unit (31) so that the stator core (34) is fixed to the motor housing unit (31), base end portions of the first and second pressing claws (43a and 43b) are respectively connected to first and second walls formed on the outer periphery (OP) of the steel sheets (34a), and tip end portions of the first and second pressing claws (43a and 43b) each serves as a free end, and are directed in a circumferential direction of the stator core (34).
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: July 2, 2019
    Assignee: Mitsuba Corporation
    Inventors: Naoki Kojima, Masaaki Kimura, Yukiyoshi Iso
  • Patent number: 10326340
    Abstract: A driving apparatus having an electric motor configured to rotate a rotating shaft (27) by a supplied current, the driving apparatus comprising: a control board (49) which is positioned relative to the electric motor, and on which electronic components for controlling the electric motor is mounted; a plurality of first terminals (58, 59, 60) which are mounted on the control board (49), the first terminals (58, 59, 60) carrying a current; a plurality of second terminals (44, 45, 46) connected to the respective first terminals (58, 59, 60), the second terminals (44, 45, 46) carrying a current, the second terminals (44, 45, 46) being disposed outside the rotating shaft (27) in a radial direction of the rotating shaft (27) and arranged along a circumferential direction of the rotating shaft (27).
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: June 18, 2019
    Assignee: Mitsuba Corporation
    Inventors: Yukiyoshi Iso, Naoki Kojima
  • Publication number: 20190047517
    Abstract: A motor control apparatus that controls a brushless motor which operates a wiper arm so as to swing, the motor control apparatus including: a position detection part that detects a rotation position of a rotor; and a control part that performs a sine wave drive of the brushless motor at a time of a low output mode in which an output of the brushless motor is low and that, at a time of a high output mode in which an output is higher than an output at the time of the low output mode, allows a power distribution angle to be an angle that is larger than 120 degrees and distributes power to the brushless motor at a timing when a predetermined electric angle is advanced with reference to the rotation position of the rotor.
    Type: Application
    Filed: February 17, 2017
    Publication date: February 14, 2019
    Applicant: Mitsuba Corporation
    Inventors: Naoki Kojima, Tomohiko Annaka
  • Publication number: 20180358911
    Abstract: A motor drive apparatus includes: a stage determination part that determines a position of the rotor based on a combination of states of a plurality of the output signals; and a power distribution timing determination part which determines that a power distribution timing when power is distributed to the coil is a timing obtained by advancing an angle by an amount that corresponds to a predetermined electric angle in a startup time of the motor, wherein, when a rotation speed of the motor becomes a predetermined rotation speed or more, the power distribution timing determination part determines that a timing when a predetermined period of time elapses since a position of the rotor arrives at a position of an electric angle that corresponds to a displacement amount of an electric angle which is arbitrarily advanced with respect to a predetermined electric angle that is advanced in the startup time is a power distribution timing.
    Type: Application
    Filed: February 3, 2017
    Publication date: December 13, 2018
    Inventors: Naoki Kojima, Tomofumi Kobayashi, Atsushi Kawasaki
  • Patent number: 10154237
    Abstract: An image processing apparatus includes a transformation unit, an identification unit, a determination unit, and a processing unit. The transformation unit is configured to perform transformation processing on an input image based on a transformation parameter. The identification unit is configured to identify transformation information related to amounts of transformation respectively between a first plurality of coordinates on a transformed image generated based on the transformation processing and a second plurality of coordinates on the input image corresponding to the first plurality of coordinates. The determination unit is configured to determine a smoothing parameter related to an intensity of smoothing processing for each region of the transformed image based on the transformation information. The processing unit is configured to perform smoothing processing on an image based on the input image, based on the smoothing parameter for each region.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: December 11, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tetsurou Kitashou, Hirokazu Isobe, Naoki Kojima