Patents by Inventor Isao Toda
Isao Toda 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).
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Publication number: 20220315127Abstract: A vehicle body structure includes a front floor panel on which a heel of a pedal operator is placed, and a rear floor panel attached to a front seat. The rear floor panel is positioned lower than the front floor panel. At least part of a seat frame of the front seat is positioned lower than an upper surface of the front floor panel.Type: ApplicationFiled: January 26, 2022Publication date: October 6, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Isao TODA, Takayuki Kimura, Takehiro Kamei, Hiroshi Tanaka, Haruo Ohe, Masaya Hiramatsu, Masanobu Fukushima, Takao Fukuda, Hironobu Hashiguchi, Hiroyuki Baba
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Publication number: 20220314774Abstract: A vehicle body structure includes a front floor panel and a rear floor panel provided at the rear of the front floor panel. The front floor panel is positioned higher than the rear floor panel. A front battery that supplies electric power to the traction motor is arranged below the front floor panel.Type: ApplicationFiled: January 26, 2022Publication date: October 6, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Isao TODA, Takayuki KIMURA, Takehiro KAMEI, Hiroshi TANAKA, Haruo OHE, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA, Hironobu HASHIGUCHI, Hiroyuki BABA
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Publication number: 20220314771Abstract: A vehicle body structure includes a front floor panel provided on a vehicle front side and a rear floor panel provided at the rear of the front floor panel. The front floor panel is positioned higher than the rear floor panel. A first battery arrangement portion is provided long in a vehicle front-rear direction at a center portion of the front floor panel in the vehicle width direction. A second battery arrangement portion is provided outside the first battery arrangement portion in a vehicle width direction below the front floor panel. An upper portion of the first battery arrangement portion is positioned higher than an upper portion of the second battery arrangement portion.Type: ApplicationFiled: January 26, 2022Publication date: October 6, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Isao TODA, Takayuki KIMURA, Takehiro KAMEI, Hiroshi TANAKA, Haruo OHE, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA, Hironobu HASHIGUCHI, Hiroyuki BABA
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Publication number: 20220315130Abstract: A vehicle body structure includes a front floor panel for placing a heel of a pedal operator, a rear floor panel attached to a rear seat, and a middle floor panel extending from the front floor panel to the rear floor panel. The front floor panel and the rear floor panel are positioned higher than the middle floor panel.Type: ApplicationFiled: January 26, 2022Publication date: October 6, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Isao TODA, Takayuki KIMURA, Takehiro KAMEI, Hiroshi TANAKA, Haruo OHE, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA, Hironobu HASHIGUCHI, Hiroyuki BABA
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Publication number: 20220315128Abstract: The vehicle body structure includes a front floor panel, a rear floor panel positioned lower than the front floor panel, and a connection panel extending from a rear portion of the front floor panel to a front portion of the rear floor panel and inclined or curved so as to be positioned downward toward a rear side. At least the front portion of the connection panel is positioned at the front of the front portion of the front seat.Type: ApplicationFiled: January 26, 2022Publication date: October 6, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Isao TODA, Takayuki Kimura, Takehiro Kamei, Hiroshi Tanaka, Haruo Ohe, Masaya Hiramatsu, Masanobu Fukushima, Takao Fukuda, Hironobu Hashiguchi, Hiroyuki Baba
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Publication number: 20220314770Abstract: A vehicle structure includes side sills, pillars, a first battery arrangement portion provided inside the vicinity of the pillars in a vehicle width direction below a floor panel, and a second battery arrangement portion provided at a center portion in the vehicle width direction below the floor panel in a region inside an outer portion of the first battery arrangement portion in the vehicle width direction.Type: ApplicationFiled: January 26, 2022Publication date: October 6, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Isao TODA, Takayuki KIMURA, Takehiro KAMEI, Hiroshi TANAKA, Haruo OHE, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA, Hironobu HASHIGUCHI, Hiroyuki BABA
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Publication number: 20220305915Abstract: A bulge portion bulging rearward is provided at a dash panel. A reinforcement is fixed to an inner surface of the bulge portion. A rear end wall portion of the bulge portion is positioned at the rear of a center portion of a rear end portion of a cowl panel in a vehicle width direction.Type: ApplicationFiled: January 26, 2022Publication date: September 29, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Takayuki KIMURA, Takehiro KAMEI, Isao TODA, Haruo OHE, Hironobu HASHIGUCHI, Hiroshi TANAKA, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA
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Patent number: 11427067Abstract: To provide a vehicle drive device capable of efficiently driving a vehicle by using in-wheel motors without falling into the vicious cycle between enhancement of driving via the motors and an increase in vehicle weight. The present invention is a vehicle drive device that uses in-wheel motors to drive a vehicle and includes in-wheel motors (20) that are provided in wheels (2b) of a vehicle (1) and drive wheels, in which the in-wheel motors generate the maximum output power in a high revolutions range equal to or more than a predetermined number of revolutions that is more than zero.Type: GrantFiled: March 19, 2019Date of Patent: August 30, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Isao Toda, Seiyo Hirano, Kei Yonemori, Hideki Sanai
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Publication number: 20220233373Abstract: An object is to make it easier to lift and move a wheelchair by keeping casters from hanging even when the wheelchair is lifted by one hand. To this end, a wheelchair includes a folding mechanism that couples a left-side support arm and a right-side support arm foldably in a left-right direction of the vehicle body. The folding mechanism includes an operation part for use in changing a state of a left-side support arm and a right-side support arm from one of a folded state or an unfolded state to another. The operation part is arranged between a rear drive wheel and a caster in a side view of the vehicle body.Type: ApplicationFiled: January 3, 2022Publication date: July 28, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Takashi IWASE, Isao TODA, Chih-Hung CHEN, Yu-chao WEI
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Publication number: 20220233374Abstract: It is an object to make it easy to unfold a wheelchair simply by lifting a part of the wheelchair with one hand. A wheelchair includes a folding mechanism that folds a left-side support arm and a right-side support arm. The folding mechanism includes a grip part coupled to the distal end part of the left-side support arm and the distal end part of the right-side support arm. The grip part extends in the pivoting direction of the left-side support arm and the right-side support arm at a time of switching from a folded state to an unfolded state.Type: ApplicationFiled: January 5, 2022Publication date: July 28, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Takashi IWASE, Isao TODA, Chih-Hung CHEN, Yu-chao WEI
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Publication number: 20220233372Abstract: It is an object to improve riding comfort of a wheelchair having a folding mechanism by keeping an operation part of the folding mechanism from contacting a wheelchair user seated. A folding mechanism includes an operation part for use in changing a state of a left-side support arm and a right-side support arm from one of a folded state or an unfolded state to another. The operation part is arranged below an upper end part of a seat frame with a predetermined space therebetween.Type: ApplicationFiled: January 3, 2022Publication date: July 28, 2022Applicant: MAZDA MOTOR CORPORATIONInventors: Takashi IWASE, Isao TODA, Yu-chao WEI
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Patent number: 11364783Abstract: A hybrid driving apparatus includes an internal combustion engine, a motive power transmission mechanism transmitting a driving force to main driving wheels, a main driving electric motor generating a driving force of the main driving wheels, an accumulator, sub-driving electric motors generating driving forces of sub-driving wheels, and a control apparatus executing an electric motor traveling mode and an internal combustion engine traveling mode. The sub-driving electric motor is provided to each of the sub-driving wheels, the control apparatus causes only the main driving electric motor to generate the driving force in the electric motor traveling mode and causes the main driving electric motor and the sub-driving electric motors to generate the driving forces in acceleration of the vehicle at a predetermined vehicle speed or higher, and although the engine generates the driving force, it does not cause the motors to generate driving forces in the traveling mode.Type: GrantFiled: March 15, 2019Date of Patent: June 21, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Isao Toda, Seiyo Hirano, Hideki Sanai
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Publication number: 20210379979Abstract: A vehicle driving apparatus is provided that includes a drive motor, an internal combustion engine, and an electrical generator and can inhibit a weight balance and motion performance of a vehicle from being deteriorated and lowered. A vehicle driving apparatus driving a vehicle by motive power of a motor, the vehicle driving apparatus including a drive motor that is driven by electric power, an internal combustion engine that produces motive power by fuel, and an electrical generator that is driven by the internal combustion engine, the vehicle driving apparatus being characterized in that the drive motor, the internal combustion engine, and the electrical generator are arranged in a vehicle width direction of the vehicle in order of the drive motor, the internal combustion engine, and the electrical generator.Type: ApplicationFiled: August 24, 2021Publication date: December 9, 2021Applicant: Mazda Motor CorporationInventors: Isao TODA, Seiyo HIRANO, Kei YONEMORI, Satoshi MARUYAMA, Shinji FUJIHIRA, Wataru KUWAHARA, Tomoya KAKITE, Yoshiaki NOGUCHI, Ryuichiro AMANO, Mitsuhiro HIROTA
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Publication number: 20210370906Abstract: To provide a vehicle drive device capable of efficiently driving a vehicle by using a motor without falling into the vicious cycle between enhancement of driving via the motor and an increase in vehicle weight. The present invention is a vehicle drive device (10) having a motor for driving the wheels of a vehicle and includes a front wheel motor (20) for driving front wheels (2b) of a vehicle (1) and a battery (18) and a capacitor (22) that supply electric power for driving the front wheel motor (20), in which the voltage of the battery (18) and the capacitor (22) connected in series is applied to the front wheel motor (20) and the capacitor (22) is disposed between the left and right front wheels (2b) of the vehicle (1).Type: ApplicationFiled: March 19, 2019Publication date: December 2, 2021Applicant: Mazda Motor CorporationInventors: Isao TODA, Seiyo HIRANO, Kei YONEMORI, Hideki SANAI
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Publication number: 20210300322Abstract: A vehicle drive system uses the in-wheel motor for driving the vehicle and has: an in-wheel motor that is provided in a wheel of a vehicle and drives the wheel; an internal combustion engine that is provided in a vehicle body of the vehicle and drives the wheel; and control equipment that controls the in-wheel motor and the internal combustion engine on the basis of requested output by a driver. The control equipment is configured to cause the internal combustion engine to generate drive power and cause the in-wheel motor not to generate the drive power when the requested output by the driver is lower than specified output. The control equipment is further configured to cause the internal combustion engine and the in-wheel motor to generate the drive power when the requested output by the driver is equal to or higher than the specified output.Type: ApplicationFiled: July 24, 2019Publication date: September 30, 2021Applicant: Mazda Motor CorporationInventors: Isao TODA, Seiyo HIRANO, Kei YONEMORI
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Publication number: 20210300321Abstract: A vehicle drive system uses an in-wheel motor and has: a vehicle speed sensor; an in-wheel motor that is provided to a wheel of the vehicle and drives the wheel; an internal combustion engine that is provided in a vehicle body of the vehicle and drives the wheel; and control equipment that controls the in-wheel motor and the internal combustion engine. The control equipment causes the internal combustion engine to generate drive power and causes the in-wheel motor not to generate the drive power when the travel speed of the vehicle detected by the vehicle speed sensor is lower than a specified vehicle speed that is higher than zero. The internal combustion engine and the in-wheel motor generate the drive power in the case where the travel speed of the vehicle detected by the vehicle speed sensor is equal to or higher than the specified vehicle speed.Type: ApplicationFiled: July 24, 2019Publication date: September 30, 2021Applicant: Mazda Motor CorporationInventors: Isao TODA, Seiyo HIRANO, Kei YONEMORI
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Publication number: 20210282989Abstract: The wheelchair includes a seating portion, body frames that support the seating portion, wheels that are rotatably supported by the body frames, an engaging portion, a left brake that brakes a left rear wheel, and a coupling portion that couples the engaging portion and the left brake to each other. The engaging portion is capable of switching between an engagement attitude for engaging a vehicle body member that forms an opening of a vehicle and a disengagement attitude for releasing the engagement with the vehicle body member. The coupling portion transmits the movement of the engaging portion to the left brake when the engaging portion makes an attitude change from the disengagement attitude to the engagement attitude. This operates the left brake when the attitude of the engaging portion switches from the disengagement attitude to the engagement attitude and brakes the left rear wheel.Type: ApplicationFiled: February 12, 2021Publication date: September 16, 2021Applicant: Mazda Motor CorporationInventors: Takashi IWASE, Isao TODA, Akira YASUTAKE, Tsuyoshi ARINAGA
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Publication number: 20210282988Abstract: The wheelchair includes a pair of body frames and, wheels, cross bars, and a seating portion. The wheels are supported rotatably with respect to the pair of body frames by the pair of body frames. The cross bars are provided so as to extend in the Y-direction across the pair of body frames. The seating portion is attached to the pair of body frames and is the portion on which the wheelchair user sits. In the wheelchair, the body frame and the body frame are movable in the longitudinal direction of the cross bars, respectively. The distance between the body frame and the body frame can be changed by moving the body frames in the longitudinal direction of the cross bars.Type: ApplicationFiled: February 17, 2021Publication date: September 16, 2021Applicant: Mazda Motor CorporationInventors: Takashi IWASE, Isao TODA
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Publication number: 20210282992Abstract: A wheelchair includes a seating portion on which a wheelchair user sits, a body frame that supports the seating portion, a pair of rear wheels and a pair of front wheels rotatably supported by the body frame, and a seat back portion capable of changing the inclination angle with respect to the seating portion. The wheelchair includes push-along handle portions as engaging portions capable of fixing the seat back portion to a side sill as a vehicle body member that forms a door opening of the vehicle when the seat back portion is tilted backward of the wheelchair.Type: ApplicationFiled: February 12, 2021Publication date: September 16, 2021Applicant: Mazda Motor CorporationInventors: Takashi IWASE, Isao TODA
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Publication number: 20210039509Abstract: To provide a vehicle drive device capable of efficiently driving a vehicle by using in-wheel motors without falling into the vicious cycle between enhancement of driving via the motors and an increase in vehicle weight. The present invention is a vehicle drive device that uses in-wheel motors to drive a vehicle and includes in-wheel motors (20) that are provided in wheels (2b) of a vehicle (1) and drive wheels, in which the in-wheel motors generate the maximum output power in a high revolutions range equal to or more than a predetermined number of revolutions that is more than zero.Type: ApplicationFiled: March 19, 2019Publication date: February 11, 2021Applicant: Mazda Motor CorporationInventors: Isao TODA, Seiyo HIRANO, Kei YONEMORI, Hideki SANAI