Patents by Inventor Hiromitsu Ichikawa
Hiromitsu Ichikawa 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: 20170188767Abstract: An electric vacuum cleaner includes a main body case, driving wheels, and a cleaning portion. The main body case includes an electric blower, and a dust collecting portion communicating with a suction side of the electric blower. The driving wheels allow the main body case to travel on the surface to be cleaned. The cleaning portion includes a main body portion, the suction port, and wheels. The main body portion with a bottom surface portion facing the surface to be cleaned is located in a lower portion of the main body case and can move up and down. The suction port is provided on the bottom surface portion and communicates with the dust collecting portion. The wheels protrude downward from the bottom surface portion to contact the surface to be cleaned, thereby causing the main body portion to move up and down to trace the surface to be cleaned.Type: ApplicationFiled: April 22, 2015Publication date: July 6, 2017Applicant: TOSHIBA LIFESTLE PRODUCTS & SERVICES CORPORATIONInventors: Hiromitsu ICHIKAWA, Masatoshi TANAKA, Atsushi MORISHITA, Hiromitsu MURATA, Yukio MACHIDA
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Publication number: 20170181591Abstract: A vacuum cleaner includes link mechanisms that connect a bumper to be movable in a relatively horizontal direction with respect to a case main body. A coil spring energizes the bumper in a direction separated from the case main body. Obstacle sensors are arranged at positions facing the bumper in the case main body, and detect an obstacle by detecting movement of the bumper, due to contact with the obstacle, in at least one of a direction opposite to an energizing direction of the coil spring and a direction crossing such a direction. A controller controls the drive of a driving wheel based on detection of the obstacle by the obstacle sensor to allow the main body case to travel autonomously. The vacuum cleaner can detect an obstacle brought into contact with the bumper in a wide range with a simple configuration.Type: ApplicationFiled: April 22, 2015Publication date: June 29, 2017Applicant: Toshiba Lifestyle Products & Services CorporationInventors: Masatoshi TANAKA, Atsushi MORISHITA, Hiromitsu ICHIKAWA, Hiromitsu MURATA, Yukio MACHIDA
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Publication number: 20170181593Abstract: A vacuum cleaner includes a main casing, driving wheels, side brushes, an obstacle sensor, and a controller. The driving wheels enable the main casing to travel. The side brushes are reciprocatively movable in both a direction of protruding from an outer frame of the main casing and its opposite direction, enabling cleaning of dust and dirt located outside the outer frame of the main casing. The obstacle sensor detects an obstacle by detecting a movement of the side brush in the opposite direction due to its contact with the obstacle. The controller controls drive of the driving wheels based on detection of an obstacle by the obstacle sensor to make the main casing autonomously travel. The vacuum cleaner can detect an obstacle at a position of a side brush while securely cleaning dust and dirt located outside an outer frame of a main casing by the side brush.Type: ApplicationFiled: April 22, 2015Publication date: June 29, 2017Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATIONInventors: Hiromitsu ICHIKAWA, Masatoshi TANAKA, Hiromitsu MURATA, Atsushi MORISHITA, Yukio MACHIDA
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Publication number: 20170150861Abstract: An electric vacuum cleaner in which a dust container inside an autonomous robotic vacuum cleaning unit can be fluidically connected to a station using propulsive force of the cleaning unit moving to a dust discharge position. The cleaning unit includes a body case, and a primary dust container including: a container body accumulating dust collected by the cleaning unit; a disposal port discharging dust from inside the container body; and a disposal lid opening and closing the disposal port. The station includes a dust transfer pipe connected to the disposal port of the primary dust container; a lever hooked by the disposal lid while the cleaning unit is homing, opening the disposal lid and connecting the disposal port and the dust transfer pipe; and a secondary dust container in which dust discharged from the primary dust container through the dust transfer pipe is accumulated.Type: ApplicationFiled: July 2, 2015Publication date: June 1, 2017Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATIONInventors: Masatoshi TANAKA, Yukio MACHIDA, Atsushi MORISHITA, Yuji OHTSUKA, Hiromitsu ICHIKAWA, Hiromitsu MURATA
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Publication number: 20170150862Abstract: An electric vacuum cleaner, including a cleaning unit includes a body case including a dust container opening, and a primary dust container including: a container body detachably provided to the body case accumulating dust collected by the cleaning unit; a connecting part exposed from or facing the dust container opening, when attached to the body case; a disposal port provided in the connecting part, for discharging dust from inside the container body; and a disposal lid opening and closing the disposal port. The station includes a dust transfer pipe contacting the connecting part of the primary dust container and connected to the disposal port, and a secondary dust container in which dust discharged from the primary dust container through the dust transfer pipe is accumulated.Type: ApplicationFiled: July 2, 2015Publication date: June 1, 2017Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATIONInventors: Yukio MACHIDA, Masatoshi TANAKA, Atsushi MORISHITA, Yuji OHTSUKA, Hiromitsu ICHIKAWA, Hiromitsu MURATA
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Publication number: 20170049289Abstract: A vacuum cleaner includes: a body case having an outer circumferential surface formed along either a circular arc or a polygon; a drive wheel allowing travel of the body case on a cleaning target surface; a side brush provided to the body case to be movable in a certain direction. The side brush: projects from the outer circumferential surface of the body case by an amount that changes in response to movement; includes a brush body movable to retreat toward the outer circumferential surface of the body case in response to external force acting in a direction crossing the certain direction; and includes a cleaning unit rotatably provided to the brush body. The cleaning unit rotates to clean the cleaning target surface. The side brush projecting from an outer circumferential surface of a body case can retreat readily and reliably when the side brush contacts an obstacle.Type: ApplicationFiled: April 22, 2015Publication date: February 23, 2017Applicant: TOSHIBA LIFESTYLE PRODUCTS & SERVICES CORPORATIONInventors: Hiromitsu ICHIKAWA, Masatoshi TANAKA, Atsushi MORISHITA, Yukio MACHIDA, Hiromitsu MURATA
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Patent number: 7969292Abstract: A tire pressure measuring apparatus provides a warning of an error of a tire air pressure measuring module only when it is not that determined a vehicle stops and also any on of receivers has not received an air pressure data signal for an error determining duration. Therefore, a probability of a false warning can be reduced.Type: GrantFiled: October 16, 2006Date of Patent: June 28, 2011Assignee: Bridgestone CorporationInventors: Hiromitsu Ichikawa, Toshihiro Miyazaki
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Patent number: 7696902Abstract: A tire sensor device comprising sensor modules 20A to 20D, each comprising a sensor, a communication module having a communication function and a power regenerating circuit, and an antenna; and a base station comprising an internal communication device for communication with the sensor modules 20A to 20D, an information processing device for processing tire information signals from the sensor modules, an external communication device for communicating with a car control device 40 on the car body side and a power source. The sensor modules 20A to 20D and the base station 30 are arranged in the tire and constitute an intra-tire LAN. Tire information signals transmitted from the sensor modules 20A to 20D are processed by the base station 30 and transmitted to the car control device 40 so that appropriate tire information can be obtained and the size and power consumption of the sensor device can be reduced.Type: GrantFiled: November 8, 2004Date of Patent: April 13, 2010Assignee: Kabushiki Kaisha BridgestoneInventors: Hiromitsu Ichikawa, Hiromasa Hada, Takao Kokubu, Masaharu Oku, Masanobu Toyofuku
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Publication number: 20100066522Abstract: A tire pressure measuring apparatus provides a warning of an error of a tire air pressure measuring module only when it is not that determined a vehicle stops and also any on of receivers has not received an air pressure data signal for an error determining duration. Therefore, a probability of a false warning can be reduced.Type: ApplicationFiled: October 16, 2006Publication date: March 18, 2010Applicant: BRIDGESTONE CORPORATIONInventors: Hiromitsu ICHIKAWA, Toshihiro MIYAZAKI
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Patent number: 7668695Abstract: The present invention includes a sensor malfunction determination unit 207 detects the pressure value corresponding to a signal outputted by a pressure sensor 101 capable of measuring the internal pressure of a pneumatic tire 10. When the detected pressure value is decreasing along the time axis, the sensor malfunction determination unit 207 determines that the pressure sensor 101 is not malfunctioning.Type: GrantFiled: February 21, 2006Date of Patent: February 23, 2010Assignee: Bridgestone CorporationInventors: Hiromitsu Ichikawa, Hiromasa Hada, Takao Kokubu
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Patent number: 7577532Abstract: A tire wear detection system includes a detection unit (70) which detects acceleration applied to a wear bar (40) arranged in a groove of a tread section of a pneumatic tire (10), and a wear judgment unit (82) which judges that a tire has been worn based on the acceleration detected by the detection unit (70).Type: GrantFiled: June 20, 2005Date of Patent: August 18, 2009Assignee: Bridgestone CorporationInventors: Hiromitsu Ichikawa, Hiromasa Hada
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Publication number: 20080255805Abstract: The present invention includes a sensor malfunction determination unit 207 detects the pressure value corresponding to a signal outputted by a pressure sensor 101 capable of measuring the internal pressure of a pneumatic tire 10. When the detected pressure value is decreasing along the time axis, the sensor malfunction determination unit 207 determines that the pressure sensor 101 is not malfunctioning.Type: ApplicationFiled: February 21, 2006Publication date: October 16, 2008Applicant: Bridgestone CorporationInventors: Hiromitsu Ichikawa, Hiromasa Hada, Takao Kokubu
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Patent number: 7325448Abstract: A pneumatic-tire-use electronic-device fixing system according to the present invention includes: an electronic-device housing apparatus 30, which houses the electronic device, and which includes an engaging convex portion 32 that is convex; and an electronic-device housing apparatus support 12, which is provided on an inner surface of the pneumatic tire, and which includes an engaging concave portion that is concave. First pullout suppression means which suppresses pullout of the engaging convex portion from the engaging concave portion is provided on at least a part of a surface of the engaging convex portion, and second pullout suppression means which engages with the first pullout suppression means is provided on at least a part of a surface of the engaging concave portion.Type: GrantFiled: March 2, 2005Date of Patent: February 5, 2008Assignee: Bridgestone CorporationInventors: Hiromitsu Ichikawa, Hiromasa Hada, Takao Kokubu
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Publication number: 20080027658Abstract: A tire wear detection system includes a detection unit (70) which detects acceleration applied to a wear bar (40) arranged in a groove of a tread section of a pneumatic tire (10), and a wear judgment unit (82) which judges that a tire has been worn based on the acceleration detected by the detection unit (70).Type: ApplicationFiled: June 20, 2005Publication date: January 31, 2008Applicant: BRIDGESTONE CORPORATIONInventors: Hiromitsu Ichikawa, Hiromasa Hada
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Publication number: 20070169865Abstract: A pneumatic-tire-use electronic-device fixing system according to the present invention includes: an electronic-device housing apparatus 30, which houses the electronic device, and which includes an engaging convex portion 32 that is convex; and an electronic-device housing apparatus support 12, which is provided on an inner surface of the pneumatic tire, and which includes an engaging concave portion that is concave. First pullout suppression means which suppresses pullout of the engaging convex portion from the engaging concave portion is provided on at least a part of a surface of the engaging convex portion, and second pullout suppression means which engages with the first pullout suppression means is provided on at least a part of a surface of the engaging concave portion.Type: ApplicationFiled: March 2, 2005Publication date: July 26, 2007Applicant: BRIDGESTONE CORPORATIONInventors: Hiromitsu Ichikawa, Hiromasa Hada, Takao Kokubu
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Publication number: 20070158436Abstract: An RFID tag-incorporating bar code label having sufficiently high durability even when the label is attached to a tire and capable of reliable communication with a reader. A dipole antenna type RFID tag 14 is interposed and fixed between a first sheet member 11 whose front surface is printed with a bar code 13 and a second sheet member 12 having an adhesive layer formed on the rear surface, thus fabricating an RFID tag-incorporating bar code label 10 having an RFID tag buried in the central portion of a bar code sheet 17. The label 10 is bonded to a tire. Therefore, the position of the RFID tag 14 can be easily specified. Due to the existence of the second sheet member 12, the RFID tag 14 can be spaced apart from a rubber member and a steel product constituting the tire by a predetermined distance.Type: ApplicationFiled: January 28, 2005Publication date: July 12, 2007Inventors: Hiromitsu Ichikawa, Hiromasa Hada, Takao Kokubu
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Publication number: 20070080795Abstract: A tire sensor device comprising sensor modules 20A to 20D, each comprising a sensor, a communication module having a communication function and a power regenerating circuit, and an antenna; and a base station comprising an internal communication device for communication with the sensor modules 20A to 20D, an information processing device for processing tire information signals from the sensor modules, an external communication device for communicating with a car control device 40 on the car body side and a power source. The sensor modules 20A to 20D and the base station 30 are arranged in the tire and constitute an intra-tire LAN. Tire information signals transmitted from the sensor modules 20A to 20D are processed by the base station 30 and transmitted to the car control device 40 so that appropriate tire information can be obtained and the size and power consumption of the sensor device can be reduced.Type: ApplicationFiled: November 8, 2004Publication date: April 12, 2007Applicant: KABUSHIKI KAISHA BRIDGESTONEInventors: Hiromitsu Ichikawa, Hiromasa Hada, Takao Kokubu, Masaharu Oku, Masanobu Toyofuku
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Patent number: 6517500Abstract: A chair-type massager is provided which includes a chair body for use as a support member for supporting a user's body and a massage apparatus located in a seat back of the chair body. The massage apparatus includes a base member and a pair of massage units, right and left, provided on the base member. Each massage unit has a movable element. The movable element is provided with a tilt member. A treatment member is attached to the tilt member. The tilt member is driven by means of an airbag. The movable element is rotated around a shaft by means of a motor so that the treatment member can move along a curved surface of the user's body.Type: GrantFiled: December 18, 2000Date of Patent: February 11, 2003Assignee: Toshiba Tech Kabushiki KaishaInventor: Hiromitsu Ichikawa
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Publication number: 20010004679Abstract: A chair-type massager comprises a chair body for use as a support member for supporting a user's body and a massage apparatus located in a seat back of the chair body. The massage apparatus includes a base member and a pair of massage units, right and left, provided on the base member. Each massage unit has a movable element. The movable element is provided with a tilt member. A treatment member is attached to the tilt member. The tilt member is driven by means of an airbag. The movable element is rotated around a shaft by means of a motor so that the treatment member can move along a curved surface of the user's body.Type: ApplicationFiled: December 18, 2000Publication date: June 21, 2001Inventor: Hiromitsu Ichikawa
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Patent number: 5848982Abstract: A lounger-type air manager comprises a lounger body (1) including a seat portion (2) and a backrest portion (3) provided on the rear end of the seat portion, bags (4, 5, 10) provided in the seat portion and the backrest portion and adapted to inflate and deflate when compressed air is fed thereinto and discharged therefrom, and a compressed air control device (11) for controlling the feed and discharge of the compressed air into and from the bags. The bag in the seat portion is fixed at its rear edge portion on the backrest side to the seat portion, and the bag in the backrest portion is fixed at its upper end portion to the backrest portion.Type: GrantFiled: November 14, 1996Date of Patent: December 15, 1998Assignee: Kabushiki Kaisha TECInventors: Shoji Hoshino, Koichi Abe, Mikio Mochida, Hiromitsu Ichikawa, Katumi Inaba