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: 11238718Abstract: 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: GrantFiled: April 18, 2019Date of Patent: February 1, 2022Assignees: PIONEER CORPORATION, PIONEER SYSTEM TECHNOLOGY CORPORATIONInventors: Mitsuo Yasushi, Yoshikazu Takeuchi, Kazumi Sugaya, Kota Kakisaka, Kenta Isozaki, Takashi Morishige, Takashi Iizawa, Naoki Murakami, Tatsuya Fukuda
-
Publication number: 20210241596Abstract: 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: ApplicationFiled: April 18, 2019Publication date: August 5, 2021Inventors: Mitsuo YASUSHI, Yoshikazu TAKEUCHI, Kazumi SUGAYA, Kota KAKISAKA, Kenta ISOZAKI, Takashi MORISHIGE, Takashi IIZAWA, Naoki MURAKAMI, Tatsuya FUKUDA
-
Patent number: 9780275Abstract: 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: GrantFiled: November 28, 2016Date of Patent: October 3, 2017Assignee: Nichia CorporationInventors: Ryo Suzuki, Yoshikazu Takeuchi, Hirokazu Sasa
-
Publication number: 20170077373Abstract: 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: ApplicationFiled: November 28, 2016Publication date: March 16, 2017Inventors: Ryo SUZUKI, Yoshikazu TAKEUCHI, Hirokazu SASA
-
Patent number: 9543465Abstract: 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: GrantFiled: May 19, 2015Date of Patent: January 10, 2017Assignee: NICHIA CORPORATIONInventors: Ryo Suzuki, Yoshikazu Takeuchi, Hirokazu Sasa
-
Patent number: 9368675Abstract: 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: GrantFiled: February 27, 2015Date of Patent: June 14, 2016Assignee: NICHIA CORPORATIONInventors: Yoshikazu Takeuchi, Toshiaki Moriwaki, Atsushi Takeichi, Takahiro Tani
-
Publication number: 20150340546Abstract: 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: ApplicationFiled: May 19, 2015Publication date: November 26, 2015Inventors: Ryo SUZUKI, Yoshikazu TAKEUCHI, Hirokazu SASA
-
Publication number: 20150249191Abstract: 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: ApplicationFiled: February 27, 2015Publication date: September 3, 2015Applicant: NICHIA CORPORATIONInventors: Yoshikazu TAKEUCHI, Toshiaki MORIWAKI, Atsushi TAKEICHI, Takahiro TANI
-
Patent number: 9073449Abstract: 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: GrantFiled: March 10, 2011Date of Patent: July 7, 2015Assignee: PIONEER CORPORATIONInventors: Kazutoshi Kitano, Masahiro Kato, Yoshikazu Takeuchi, Kazunobu Hashimoto, Chihiro Kawabata, Eiji Muramatsu
-
Patent number: 9045057Abstract: 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: GrantFiled: March 10, 2011Date of Patent: June 2, 2015Assignee: PIONEER CORPORATIONInventors: Kazutoshi Kitano, Masahiro Kato, Yoshikazu Takeuchi, Kazunobu Hashimoto, Chihiro Kawabata, Eiji Muramatsu
-
Patent number: 9014897Abstract: 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: GrantFiled: February 18, 2011Date of Patent: April 21, 2015Assignee: Pioneer CorporationInventors: Masahiro Kato, Eiji Muramatsu, Chihiro Kawabata, Kazutoshi Kitano, Kazunobu Hashimoto, Yoshikazu Takeuchi
-
Patent number: 8935032Abstract: 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: GrantFiled: February 18, 2011Date of Patent: January 13, 2015Assignee: Pioneer CorporationInventors: Masahiro Kato, Eiji Muramatsu, Chihiro Kawabata, Kazutoshi Kitano, Kazunobu Hashimoto, Yoshikazu Takeuchi
-
Patent number: 8849538Abstract: 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: GrantFiled: April 21, 2011Date of Patent: September 30, 2014Assignee: Pioneer CorporationInventors: Masahiro Kato, Eiji Muramatsu, Kazutoshi Kitano, Chihiro Kawabata, Kazunobu Hashimoto, Yoshikazu Takeuchi
-
Publication number: 20140067181Abstract: 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: ApplicationFiled: February 18, 2011Publication date: March 6, 2014Inventors: Masahiro Kato, Eiji Muramatsu, Chihiro Kawabata, Kazutoshi Kitano, Kazunobu Hashimoto, Yoshikazu Takeuchi
-
Publication number: 20140046568Abstract: 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: ApplicationFiled: April 21, 2011Publication date: February 13, 2014Inventors: Masahiro Kato, Eiji Muramatsu, Kazutoshi Kitano, Chihiro Kawabata, Kazunobu Hashimoto, Yoshikazu Takeuchi
-
Publication number: 20140018987Abstract: 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: ApplicationFiled: February 18, 2011Publication date: January 16, 2014Inventors: Masahiro Kato, Eiji Muramatsu, Chihiro Kawabata, Kazutoshi Kitano, Kazunobu Hashimoto, Yoshikazu Takeuchi
-
Publication number: 20140018988Abstract: 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: ApplicationFiled: March 10, 2011Publication date: January 16, 2014Applicant: PIONEER CORPORATIONInventors: Kazutoshi Kitano, Masahiro Kato, Yoshikazu Takeuchi, Kazunobu Hashimoto, Chihiro Kawabata, Eiji Muramatsu
-
Publication number: 20140018989Abstract: 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: ApplicationFiled: March 10, 2011Publication date: January 16, 2014Inventors: Kazutoshi Kitano, Masahiro Kato, Yoshikazu Takeuchi, Kazunobu Hashimoto, Chihiro Kawabata, Eiji Muramatsu
-
Patent number: 8614544Abstract: 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: GrantFiled: May 28, 2010Date of Patent: December 24, 2013Assignee: Nichia CorporationInventors: Ryo Suzuki, Tadao Hayashi, Tomoya Tsukioka, Yoshikazu Takeuchi
-
Publication number: 20120112622Abstract: 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: ApplicationFiled: May 28, 2010Publication date: May 10, 2012Inventors: Ryo Suzuki, Tadao Hayashi, Tomoya Tsukioka, Yoshikazu Takeuchi