Patents by Inventor Yoshikazu Takeuchi

Yoshikazu Takeuchi 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: 11238718
    Abstract: A vibration control device is provided which enables an awakening effect for a user to be increased while making it difficult to give discomfort to the user. A harmonic signal generating section of a vibration control device is configured to successively output a plurality of alternating signals for driving a vibration unit. By way of the plurality of alternating signals which is successively output and has a frequency ratio represented with a predetermined integer ratio, vibration generated with the plurality of alternating signals can more easily awaken a user while making it difficult to give discomfort to the user.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: February 1, 2022
    Assignees: PIONEER CORPORATION, PIONEER SYSTEM TECHNOLOGY CORPORATION
    Inventors: Mitsuo Yasushi, Yoshikazu Takeuchi, Kazumi Sugaya, Kota Kakisaka, Kenta Isozaki, Takashi Morishige, Takashi Iizawa, Naoki Murakami, Tatsuya Fukuda
  • Publication number: 20210241596
    Abstract: A vibration control device is provided which enables an awakening effect for a user to be increased while making it difficult to give discomfort to the user. A harmonic signal generating section of a vibration control device is configured to successively output a plurality of alternating signals for driving a vibration unit. By way of the plurality of alternating signals which is successively output and has a frequency ratio represented with a predetermined integer ratio, vibration generated with the plurality of alternating signals can more easily awaken a user while making it difficult to give discomfort to the user.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 5, 2021
    Inventors: Mitsuo YASUSHI, Yoshikazu TAKEUCHI, Kazumi SUGAYA, Kota KAKISAKA, Kenta ISOZAKI, Takashi MORISHIGE, Takashi IIZAWA, Naoki MURAKAMI, Tatsuya FUKUDA
  • Patent number: 9780275
    Abstract: A method for manufacturing a light emitting device includes preparing a light emitting element that includes a light transmissive substrate comprising a first main surface, a second main surface, and a side surface having a light transmitting part and a light absorbing part whose optical transmissivity is lower than that of the light transmitting part, and a semiconductor laminate that is provided to the first main surface of the light transmissive substrate, joining the light emitting element to an upper surface of a base body such that the base body is opposite to the side where the semiconductor laminate is provided, providing a support member that covers the side surface of the light emitting element and part of the base body, and removing the light absorbing part by thinning the light transmissive substrate from the second main surface side.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: October 3, 2017
    Assignee: Nichia Corporation
    Inventors: Ryo Suzuki, Yoshikazu Takeuchi, Hirokazu Sasa
  • Publication number: 20170077373
    Abstract: A method for manufacturing a light emitting device includes preparing a light emitting element that includes a light transmissive substrate comprising a first main surface, a second main surface, and a side surface having a light transmitting part and a light absorbing part whose optical transmissivity is lower than that of the light transmitting part, and a semiconductor laminate that is provided to the first main surface of the light transmissive substrate, joining the light emitting element to an upper surface of a base body such that the base body is opposite to the side where the semiconductor laminate is provided, providing a support member that covers the side surface of the light emitting element and part of the base body, and removing the light absorbing part by thinning the light transmissive substrate from the second main surface side.
    Type: Application
    Filed: November 28, 2016
    Publication date: March 16, 2017
    Inventors: Ryo SUZUKI, Yoshikazu TAKEUCHI, Hirokazu SASA
  • Patent number: 9543465
    Abstract: A method for manufacturing a light emitting device has: preparing a base body which comprises a pair of connection terminals; preparing a light emitting element which includes a substrate, a semiconductor laminate that is laminated on the substrate, and a pair of electrodes formed on the surface of the semiconductor laminate; joining the electrodes of the light emitting element to the connection terminals of the base body; covering the light emitting element with a sealing member; and removing at least a part of the sealing member and a part of the substrate of the light emitting element from the opposite side from the base body so that an upper surface of the sealing member is lower than an upper surface of the substrate of the light emitting element.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: January 10, 2017
    Assignee: NICHIA CORPORATION
    Inventors: Ryo Suzuki, Yoshikazu Takeuchi, Hirokazu Sasa
  • Patent number: 9368675
    Abstract: A method of manufacturing a light-emitting device includes flattening top portions of solder bumps disposed on a wiring substrate, disposing a light-emitting element on the solder bumps whose top portions are flattened, and heating the solder bumps to be melt and to be fused so as to provide an adhesive with which the light-emitting element is secured on the wiring substrate.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: June 14, 2016
    Assignee: NICHIA CORPORATION
    Inventors: Yoshikazu Takeuchi, Toshiaki Moriwaki, Atsushi Takeichi, Takahiro Tani
  • Publication number: 20150340546
    Abstract: A method for manufacturing a light emitting device has: preparing a base body which comprises a pair of connection terminals; preparing a light emitting element which includes a substrate, a semiconductor laminate that is laminated on the substrate, and a pair of electrodes formed on the surface of the semiconductor laminate; joining the electrodes of the light emitting element to the connection terminals of the base body; covering the light emitting element with a sealing member; and removing at least a part of the sealing member and a part of the substrate of the light emitting element from the opposite side from the base body so that an upper surface of the sealing member is lower than an upper surface of the substrate of the light emitting element.
    Type: Application
    Filed: May 19, 2015
    Publication date: November 26, 2015
    Inventors: Ryo SUZUKI, Yoshikazu TAKEUCHI, Hirokazu SASA
  • Publication number: 20150249191
    Abstract: A method of manufacturing a light-emitting device includes flattening top portions of solder bumps disposed on a wiring substrate, disposing a light-emitting element on the solder bumps whose top portions are flattened, and heating the solder bumps to be melt and to be fused so as to provide an adhesive with which the light-emitting element is secured on the wiring substrate.
    Type: Application
    Filed: February 27, 2015
    Publication date: September 3, 2015
    Applicant: NICHIA CORPORATION
    Inventors: Yoshikazu TAKEUCHI, Toshiaki MORIWAKI, Atsushi TAKEICHI, Takahiro TANI
  • Patent number: 9073449
    Abstract: An efficiency map generating apparatus (100) generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit (111) that detects an instructed torque input for the multiple motors (M), a torque distributing unit (112) that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit (113) that detects power consumption of the motors (M), a rotation count detecting unit (103) that detects the rotation counts of the motors (M), and an efficiency map generating unit (114) that generates a motor efficiency map (115) based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit (112) causes any of the multiple motors (M) to generate regenerative torque.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: July 7, 2015
    Assignee: PIONEER CORPORATION
    Inventors: Kazutoshi Kitano, Masahiro Kato, Yoshikazu Takeuchi, Kazunobu Hashimoto, Chihiro Kawabata, Eiji Muramatsu
  • Patent number: 9045057
    Abstract: An efficiency map generating apparatus (100) generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit (111) that detects an instructed torque input for the multiple motors (M), a torque distributing unit (112) that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit (113) that detects power consumption of the motors (M), a rotation count detecting unit (103) that detects the rotation counts of the motors (M), and an efficiency map generating unit (114) that generates a motor efficiency map (115) based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit (112) causes any of the multiple motors (M) to generate regenerative torque.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: June 2, 2015
    Assignee: PIONEER CORPORATION
    Inventors: Kazutoshi Kitano, Masahiro Kato, Yoshikazu Takeuchi, Kazunobu Hashimoto, Chihiro Kawabata, Eiji Muramatsu
  • Patent number: 9014897
    Abstract: A torque distribution apparatus acquires instructed torque input and a motor efficiency map; detects vehicular speed and drive wheel rotational speed; calculates based on the speeds, a relational expression of a slip rate at drive wheels and a friction coefficient; creates based on the relational expression, a performance curve expression that indicates torque-drive wheel rotational speed relations, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression that indicates for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates torque that optimizes efficiency, from the efficiency variation expression; calculates within a range of the slip rate being 0 to 0.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: April 21, 2015
    Assignee: Pioneer Corporation
    Inventors: Masahiro Kato, Eiji Muramatsu, Chihiro Kawabata, Kazutoshi Kitano, Kazunobu Hashimoto, Yoshikazu Takeuchi
  • Patent number: 8935032
    Abstract: A torque distribution apparatus acquires an instructed torque input and a motor efficiency map for motors; detects vehicular speed and drive wheel rotational speed; calculates based on the detected speeds, a relational expression of drive wheel slip rate and a friction coefficient; creates based on the relational expression, a performance curve expression indicating relations between torque and the drive wheel rotational speed, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression indicating for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates a torque that optimizes efficiency from the efficiency variation expression; calculates based on the instructed torque and the torque optimizing efficiency, a torque distribution value for each motor; and controls torque distribution to each motor, within a range of the slip rate being 0 to 0.2 and based on the torque distribution values.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: January 13, 2015
    Assignee: Pioneer Corporation
    Inventors: Masahiro Kato, Eiji Muramatsu, Chihiro Kawabata, Kazutoshi Kitano, Kazunobu Hashimoto, Yoshikazu Takeuchi
  • Patent number: 8849538
    Abstract: A torque distribution apparatus includes an instructed torque acquiring unit that acquires input instructed torque, a determining unit that determines whether to perform power running control or regenerative braking, an efficiency map acquiring unit that based on a determination result, acquires a motor efficiency map, a vehicular speed detecting unit, a drive wheel rotational speed detecting, a slip rate calculating unit that calculates slip rate at drive wheels, a calculating unit that based on the slip rate, creates an efficiency variation expression that indicates efficiency values on a performance curve that indicates relations between drive wheel rotational speed and torque, a distributing unit that calculates based on the slip rate, the instructed torque, and the torque optimizing efficiency, torque distribution values such that overall efficiency during power running and during regeneration are maximized, and a control unit that controls torque distribution to the motors.
    Type: Grant
    Filed: April 21, 2011
    Date of Patent: September 30, 2014
    Assignee: Pioneer Corporation
    Inventors: Masahiro Kato, Eiji Muramatsu, Kazutoshi Kitano, Chihiro Kawabata, Kazunobu Hashimoto, Yoshikazu Takeuchi
  • Publication number: 20140067181
    Abstract: A torque distribution apparatus acquires an instructed torque input and a motor efficiency map for motors; detects vehicular speed and drive wheel rotational speed; calculates based on the detected speeds, a relational expression of drive wheel slip rate and a friction coefficient; creates based on the relational expression, a performance curve expression indicating relations between torque and the drive wheel rotational speed, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression indicating for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates a torque that optimizes efficiency from the efficiency variation expression; calculates based on the instructed torque and the torque optimizing efficiency, a torque distribution value for each motor; and controls torque distribution to each motor, within a range of the slip rate being 0 to 0.2 and based on the torque distribution values.
    Type: Application
    Filed: February 18, 2011
    Publication date: March 6, 2014
    Inventors: Masahiro Kato, Eiji Muramatsu, Chihiro Kawabata, Kazutoshi Kitano, Kazunobu Hashimoto, Yoshikazu Takeuchi
  • Publication number: 20140046568
    Abstract: A torque distribution apparatus includes an instructed torque acquiring unit that acquires input instructed torque, a determining unit that determines whether to perform power running control or regenerative braking, an efficiency map acquiring unit that based on a determination result, acquires a motor efficiency map, a vehicular speed detecting unit, a drive wheel rotational speed detecting, a slip rate calculating unit that calculates slip rate at drive wheels, a calculating unit that based on the slip rate, creates an efficiency variation expression that indicates efficiency values on a performance curve that indicates relations between drive wheel rotational speed and torque, a distributing unit that calculates based on the slip rate, the instructed torque, and the torque optimizing efficiency, torque distribution values such that overall efficiency during power running and during regeneration are maximized, and a control unit that controls torque distribution to the motors.
    Type: Application
    Filed: April 21, 2011
    Publication date: February 13, 2014
    Inventors: Masahiro Kato, Eiji Muramatsu, Kazutoshi Kitano, Chihiro Kawabata, Kazunobu Hashimoto, Yoshikazu Takeuchi
  • Publication number: 20140018987
    Abstract: A torque distribution apparatus acquires instructed torque input and a motor efficiency map; detects vehicular speed and drive wheel rotational speed; calculates based on the speeds, a relational expression of a slip rate at drive wheels and a friction coefficient; creates based on the relational expression, a performance curve expression that indicates torque-drive wheel rotational speed relations, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression that indicates for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates torque that optimizes efficiency, from the efficiency variation expression; calculates within a range of the slip rate being 0 to 0.
    Type: Application
    Filed: February 18, 2011
    Publication date: January 16, 2014
    Inventors: Masahiro Kato, Eiji Muramatsu, Chihiro Kawabata, Kazutoshi Kitano, Kazunobu Hashimoto, Yoshikazu Takeuchi
  • Publication number: 20140018988
    Abstract: An efficiency map generating apparatus (100) generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit (111) that detects an instructed torque input for the multiple motors (M), a torque distributing unit (112) that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit (113) that detects power consumption of the motors (M), a rotation count detecting unit (103) that detects the rotation counts of the motors (M), and an efficiency map generating unit (114) that generates a motor efficiency map (115) based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit (112) causes any of the multiple motors (M) to generate regenerative torque.
    Type: Application
    Filed: March 10, 2011
    Publication date: January 16, 2014
    Applicant: PIONEER CORPORATION
    Inventors: Kazutoshi Kitano, Masahiro Kato, Yoshikazu Takeuchi, Kazunobu Hashimoto, Chihiro Kawabata, Eiji Muramatsu
  • Publication number: 20140018989
    Abstract: An efficiency map generating apparatus (100) generates an efficiency map of motors (M) connected to drive wheels of a mobile body and includes an instructed torque detecting unit (111) that detects an instructed torque input for the multiple motors (M), a torque distributing unit (112) that distributes torque to each of the multiple motors (M) based on the instructed torque, a power consumption detecting unit (113) that detects power consumption of the motors (M), a rotation count detecting unit (103) that detects the rotation counts of the motors (M), and an efficiency map generating unit (114) that generates a motor efficiency map (115) based on the torque in multiple combinations, the power consumption, and the rotation counts, where the torque distributing unit (112) causes any of the multiple motors (M) to generate regenerative torque.
    Type: Application
    Filed: March 10, 2011
    Publication date: January 16, 2014
    Inventors: Kazutoshi Kitano, Masahiro Kato, Yoshikazu Takeuchi, Kazunobu Hashimoto, Chihiro Kawabata, Eiji Muramatsu
  • Patent number: 8614544
    Abstract: A light emitting device comprises a rectangular element mounted upon a mounting substrate via a heat-melted connecting material, wherein second substrate electrodes are formed conforming to the recesses of a first substrate electrode and a portion of the outer periphery of the first and second substrate electrodes is provided with first extended sections that extend farther outward than the outer periphery of the aforementioned element. The aforementioned first extended sections are formed in at least one or more locations per one side of the outer periphery of the aforementioned rectangular element; the aforementioned first substrate electrode is provided with second extended sections that are formed on at least one of both ends of the aforementioned recesses flanking the first extended sections of the aforementioned second substrate electrodes; and the aforementioned second extended sections extend farther outward than the outer periphery of the aforementioned element.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: December 24, 2013
    Assignee: Nichia Corporation
    Inventors: Ryo Suzuki, Tadao Hayashi, Tomoya Tsukioka, Yoshikazu Takeuchi
  • Publication number: 20120112622
    Abstract: Disclosed is a light emitting device (1) comprising a rectangular element (10) mounted upon a mounting substrate (20) via a heat-melted connecting material, wherein second substrate electrodes (3) are formed conforming to the recesses (2c) of a first substrate electrode (2) and a portion of the outer periphery of the first and second substrate electrodes (2,3) is provided with first extended sections (2b) that extend farther outward than the outer periphery (gs) of the aforementioned element (10).
    Type: Application
    Filed: May 28, 2010
    Publication date: May 10, 2012
    Inventors: Ryo Suzuki, Tadao Hayashi, Tomoya Tsukioka, Yoshikazu Takeuchi