Patents by Inventor Masatoshi Tomomasa
Masatoshi Tomomasa 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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Patent number: 10557518Abstract: [Object] To bring about great vibration isolating effects through a combination of isolation of up-down (i.e. perpendicular) vibrations and isolation of front-back and right-left (i.e. horizontal) vibrations during running. [Solution] A vibration isolation device for isolating vibrations during movement of an electronic device 17 mounted on a moving body includes a lower plate 16 facing the moving body and serving as a base, an upper plate 31 supporting the electronic device 17, elastic members 32 interposed between the lower plate 16 and the upper plate 31 and each fixed to the lower plate 16 and the upper plate 31, and a regulating member 33 that regulates horizontal vibrations of the electronic device 17.Type: GrantFiled: December 21, 2016Date of Patent: February 11, 2020Assignee: SHARP KABUSHIKI KAISHAInventor: Masatoshi Tomomasa
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Patent number: 10491823Abstract: The present invention aims to provide a mobile vehicle that can effectively suppress an image blur with a simple configuration.Type: GrantFiled: September 7, 2016Date of Patent: November 26, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Masatoshi Tomomasa, Hisashi Kunihiro
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Patent number: 10279782Abstract: A wheel cleaning system for an autonomous driving apparatus includes the autonomous driving apparatus with wheels, capable of driving autonomously based on peripheral information, and a cleaning area for cleaning the wheels. The cleaning area has a cleaning mat for cleaning the wheels as the wheels turn to rub against the mat. The autonomous driving apparatus has a controller for controlling an operation of the autonomous driving apparatus so as to perform a cleaning process of the wheels in the cleaning area.Type: GrantFiled: February 29, 2016Date of Patent: May 7, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Kiyotaka Hirata, Kyosuke Taka, Tetsushi Ito, Masatoshi Tomomasa, Atsushi Higuchi, Kosuke Tanaka
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Publication number: 20190017570Abstract: [Object] To bring about great vibration isolating effects through a combination of isolation of up-down (i.e. perpendicular) vibrations and isolation of front-back and right-left (i.e. horizontal) vibrations during running. [Solution] A vibration isolation device for isolating vibrations during movement of an electronic device 17 mounted on a moving body includes a lower plate 16 facing the moving body and serving as a base, an upper plate 31 supporting the electronic device 17, elastic members 32 interposed between the lower plate 16 and the upper plate 31 and each fixed to the lower plate 16 and the upper plate 31, and a regulating member 33 that regulates horizontal vibrations of the electronic device 17.Type: ApplicationFiled: December 21, 2016Publication date: January 17, 2019Inventor: Masatoshi TOMOMASA
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Patent number: 9845015Abstract: A vehicle body structure of an autonomous vehicle includes: a first driver integrally configured of a drive portion for a first wheel, a drive shaft for the first wheel and a first shaft support for the drive shaft; a second driver integrally configured of an axle for a second wheel and a second shaft support for the axle; and, a pair of side frames arranged on each side in a width direction of the chassis and each extended in a front-to-rear direction of the chassis to support the first driver and the second driver. The first shaft support and the second shaft support each have an attachment part to be fixed to a flank of the side frame from an outside. Each of the first and second drivers is integrally attached to, and detached from, the side frame, by access from the flank of the side frame.Type: GrantFiled: June 2, 2016Date of Patent: December 19, 2017Assignee: Sharp Kabushiki KaishaInventors: Atsushi Higuchi, Kyosuke Taka, Tetsushi Ito, Masatoshi Tomomasa, Kosuke Tanaka, Kiyotaka Hirata
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Patent number: 9632237Abstract: An illumination device, including: a light source; a light guide plate having a light-entering face into which light from the light source enters and a light-exiting surface; a reflective sheet covering at least a portion on a light-entering face side of a bottom surface of the light guide plate; a chassis on a side of the reflective sheet opposite to the light guide plate, including at least a plate-shaped portion along the bottom surface of the light guide plate and a cut-out in the plate-shaped portion on the light-entering face side; and an opposite-side member on a side of the chassis opposite to the light guide plate, including a protrusion protruding from a light guide plate-side of a top surface of the opposite-side member through the cut-out towards the light guide plate, a top of the protrusion supporting a portion of the reflective sheet on the light-entering face side.Type: GrantFiled: February 25, 2014Date of Patent: April 25, 2017Assignee: SHARP KABUSHIKI KAISHAInventor: Masatoshi Tomomasa
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Publication number: 20170094144Abstract: The present invention aims to provide a mobile vehicle that can effectively suppress an image blur with a simple configuration.Type: ApplicationFiled: September 7, 2016Publication date: March 30, 2017Inventors: Masatoshi TOMOMASA, Hisashi KUNIHIRO
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Publication number: 20160355092Abstract: A vehicle body structure of an autonomous vehicle that travels on wheels attached to a chassis, includes: a first driver integrally configured of a drive portion for driving a first wheel, a drive shaft for driving the first wheel and a first shaft support that rotatably supports the drive shaft; a second driver integrally configured of an axle for supporting a second wheel and a second shaft support that rotatably supports the axle; and, a pair of side frames arranged on each side in a width direction of the chassis and each extended in a front-to-rear direction of the chassis to support the first driver and the second driver. The first shaft support and the second shaft support each have an attachment part to be fixed to a flank of the side frame from an outside. Each of the first and second drivers can be integrally attached to, and detached from, the side frame, by access from the flank of the side frame.Type: ApplicationFiled: June 2, 2016Publication date: December 8, 2016Inventors: Atsushi HIGUCHI, Kyosuke TAKA, Tetsushi ITO, Masatoshi TOMOMASA, Kosuke TANAKA, Kiyotaka HIRATA
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Publication number: 20160339879Abstract: A wheel cleaning system for an autonomous driving apparatus includes the autonomous driving apparatus with wheels, capable of driving autonomously based on peripheral information, and a cleaning area for cleaning the wheels. The cleaning area has a cleaning mat for cleaning the wheels as the wheels turn to rub against the mat. The autonomous driving apparatus has a controller for controlling an operation of the autonomous driving apparatus so as to perform a cleaning process of the wheels in the cleaning area.Type: ApplicationFiled: February 29, 2016Publication date: November 24, 2016Inventors: Kiyotaka HIRATA, Kyosuke TAKA, Tetsushi ITO, Masatoshi TOMOMASA, Atsushi HIGUCHI, Kosuke TANAKA
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Publication number: 20160131831Abstract: An illumination device, including: a light source; a light guide plate having a light-entering face into which light from the light source enters and a light-exiting surface; a reflective sheet covering at least a portion on a light-entering face side of a bottom surface of the light guide plate; a chassis on a side of the reflective sheet opposite to the light guide plate, including at least a plate-shaped portion along the bottom surface of the light guide plate and a cut-out in the plate-shaped portion on the light-entering face side; and an opposite-side member on a side of the chassis opposite to the light guide plate, including a protrusion protruding from a light guide plate-side of a top surface of the opposite-side member through the cut-out towards the light guide plate, a top of the protrusion supporting a portion of the reflective sheet on the light-entering face side.Type: ApplicationFiled: February 25, 2014Publication date: May 12, 2016Applicant: Sharp Kabushiki KaishaInventor: Masatoshi TOMOMASA
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Patent number: 9323088Abstract: A liquid crystal display device is equipped with: LEDs; a liquid crystal panel; printed boards; flexible substrates; a housing member; an outer frame having a panel pressing section and a side wall; and mounting members mounted on the side wall in a rotatable manner that mount the printed boards to the housing member. The mounting member is rotatable between a first position, where the printed board are locked, and a second position, where the mounting member is fixed to a surface of the housing member that is on a side opposite to a liquid crystal panel by rotating the mounting member from the first position against the side wall by bending the flexible substrates while the printed board is kept in a locked state.Type: GrantFiled: September 5, 2013Date of Patent: April 26, 2016Assignee: SHARP KABUSHIKI KAISHAInventor: Masatoshi Tomomasa
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Patent number: 9128231Abstract: This display device is provided with: a light source unit having a light source and a light source substrate; a display panel; a light receiving face that is disposed on the back side of the display panel, and upon which light is incident; a light guide plate having a light exiting surface that emits light toward the back side of the display panel; a wall that faces the light receiving face in such a manner that a gap is formed between the light receiving face and the wall; a light source support member that supports the light source unit, and is inserted with the light source unit in the gap etc. from the back side of the light guide plate; and an elastic member that is disposed on the light source support member, protrudes farther toward the light receiving surface than the light source, is inserted in the gap before the light source unit, and is formed of an elastic material.Type: GrantFiled: February 22, 2013Date of Patent: September 8, 2015Assignee: SHARP KABUSHIKI KAISHAInventor: Masatoshi Tomomasa
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Publication number: 20150226997Abstract: A liquid crystal display device is equipped with: LEDs; a liquid crystal panel; printed boards; flexible substrates; a housing member; an outer frame having a panel pressing section and a side wall; and mounting members mounted on the side wall in a rotatable manner that mount the printed boards to the housing member. The mounting member is rotatable between a first position, where the printed board are locked, and a second position, where the mounting member is fixed to a surface of the housing member that is on a side opposite to a liquid crystal panel by rotating the mounting member from the first position against the side wall by bending the flexible substrates while the printed board is kept in a locked state.Type: ApplicationFiled: September 5, 2013Publication date: August 13, 2015Applicant: Sharp Kabushiki KaishaInventor: Masatoshi Tomomasa
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Patent number: 9013652Abstract: Provided is an illumination device capable of housing and fixing a plurality of light guide plates inside a chassis. The illumination device has a rectangular box-shaped chassis, a plurality of horizontally long rectangular light guide plates that are housed inside the chassis while arranged side by side on the bottom surface, light sources that emit light to the shorter side end faces of the respective light guide plates such that the light enters the respective light guide plates, and a plurality of support members that clamp the respective light guide plates on the bottom surface of the chassis. Each support member has a holding part that makes contact with upper surfaces of respective light guide plates at the long-side edges, a shank extending from the holding part, and a pair of locking pieces elastically deformable toward and away from each other, the pair of locking pieces being provided at an end of the shank and being inserted and engaged in an attachment hole in the bottom plate.Type: GrantFiled: November 29, 2011Date of Patent: April 21, 2015Assignee: Sharp Kabushiki KaishaInventor: Masatoshi Tomomasa
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Publication number: 20150042899Abstract: This display device is provided with: a light source unit having a light source and a light source substrate; a display panel; a light receiving face that is disposed on the back side of the display panel, and upon which light is incident; a light guide plate having a light exiting surface that emits light toward the back side of the display panel; a wall that faces the light receiving face in such a manner that a gap is formed between the light receiving face and the wall; a light source support member that supports the light source unit, and is inserted with the light source unit in the gap etc. from the back side of the light guide plate; and an elastic member that is disposed on the light source support member, protrudes farther toward the light receiving surface than the light source, is inserted in the gap before the light source unit, and is formed of an elastic material.Type: ApplicationFiled: February 22, 2013Publication date: February 12, 2015Inventor: Masatoshi Tomomasa
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Publication number: 20140362301Abstract: A liquid crystal display device 10 includes an LED 17, a liquid crystal panel 11, a gate flexible boards 28 connected to an end portion of the liquid crystal panel 11, a light guide plate 16 arranged so as to overlap the liquid crystal panel 11, an optical member 15 arranged between the liquid crystal panel 11 and the light guide plate 16, a holding member HM including a frame 13 and a chassis 14 that hold the liquid crystal panel 11, the optical member 15, and the light guide plate 16, a light blocking portion 23A including a gate flexible board insertion recess 29, and a light restriction portion 30 provided to the optical member 15 and arranged in the gate flexible board insertion recess 29. The light blocking portion 23A blocks light on the outer side thereof from directly entering the end portion of the liquid crystal panel 11. The light restriction portion 30 restricts the light from directly entering the end portion of the liquid crystal panel 11 through the gate flexible board insertion recess 29.Type: ApplicationFiled: December 27, 2012Publication date: December 11, 2014Applicant: Sharp Kabushiki KaishaInventors: Yusuke Masuda, Masatoshi Tomomasa
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Patent number: 8894230Abstract: A liquid crystal display device (10) includes: LEDs (17); a liquid crystal panel (11); a light guide plate (16); an exterior member that constitutes the exterior of the liquid crystal display device (10), the exterior member including a frame (13) and a chassis (14) that hold the liquid crystal panel (11) and the light guide plate (16) by sandwiching these from the display surface (11c) side and the opposite side thereto, while housing the LEDs (17) between the frame (13) and the chassis (14); a screw member (SM) that affixes the frame (13) and the chassis (14) to each other by being disposed in an outer edge portion that surrounds the liquid crystal panel (11); wiring members (28) that are connected to the LEDs (17); and wiring passages (30) through which the wiring members (28) pass, the wiring passages being formed in the inner surfaces of the side walls (13b), which is the outer edge portions of the frame (13), the wiring passages being positioned adjacent to the screw member (SM) in the direction in whicType: GrantFiled: September 26, 2012Date of Patent: November 25, 2014Assignee: Sharp Kabushiki KaishaInventors: Masatoshi Tomomasa, Motomitsu Itoh
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Publication number: 20140240606Abstract: A liquid crystal display device (10) includes: LEDs (17); a liquid crystal panel (11); a light guide plate (16); an exterior member that constitutes the exterior of the liquid crystal display device (10), the exterior member including a frame (13) and a chassis (14) that hold the liquid crystal panel (11) and the light guide plate (16) by sandwiching these from the display surface (11c) side and the opposite side thereto, while housing the LEDs (17) between the frame (13) and the chassis (14); a screw member (SM) that affixes the frame (13) and the chassis (14) to each other by being disposed in an outer edge portion that surrounds the liquid crystal panel (11); wiring members (28) that are connected to the LEDs (17); and wiring passages (30) through which the wiring members (28) pass, the wiring passages being formed in the inner surfaces of the side walls (13b), which is the outer edge portions of the frame (13), the wiring passages being positioned adjacent to the screw member (SM) in the direction in whicType: ApplicationFiled: September 26, 2012Publication date: August 28, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Masatoshi Tomomasa, Motomitsu Itoh
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Publication number: 20140226081Abstract: A liquid crystal display device 10 according to the present invention includes: LEDs 17; a liquid crystal panel 11 capable of displaying images through light from the LEDs 17; a light guide plate 16 that is disposed so as to overlap the side opposite to a display surface 11c of the liquid crystal panel 11 and that has end faces facing the LEDs 17; a chassis 14 disposed on the side of the light guide plate 16 opposite to the liquid crystal panel 11; a light transmissive panel 13 that is arranged so as to overlap the display surface 11c of the liquid crystal panel 11, that houses the LEDs 17 between the light transmissive panel 13 and the chassis 14, and that sandwiches the liquid crystal panel 11 and the light guide plate 16 while allowing light to pass through; and a light-shielding member 25 that is disposed on the light transmissive panel 13 surrounding a display area AA of the liquid crystal panel 11 and that blocks light around the display area AA, a part of the light-shielding member being made of a tranType: ApplicationFiled: September 3, 2012Publication date: August 14, 2014Applicant: SHARP KABUSHIKI KAISHAInventor: Masatoshi Tomomasa
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Publication number: 20140226080Abstract: A liquid crystal display unit (10) includes: an LED (17); a heat dissipating member (19) to which the LED (17) is attached; a liquid crystal panel (11) that performs display using light of the LED (17); a flexible substrate (22) connected to an edge of the liquid crystal panel (11); a light guide plate (16) disposed on a side of the liquid crystal panel (11) opposite to a display surface (11c) of the liquid crystal panel (11), the light guide plate being disposed such that an end face of the light guide plate faces the LED (17); holding members (HM) that hold and sandwich the liquid crystal panel (11) and the light guide plate (16) from the side of the display surface (11c) and from the side opposite thereto; and a light-shielding member (26) disposed on the heat dissipating member (19), the light-shielding member being interposed between the liquid crystal panel (11) and the LED (17) for preventing light from the LED (17) from directly entering the liquid crystal panel (11), the light shielding part (26) beiType: ApplicationFiled: September 3, 2012Publication date: August 14, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Masatoshi Tomomasa, Motomitsu Itoh