Patents by Inventor Takashi Hirano
Takashi Hirano 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: 20210217193Abstract: A three-dimensional position estimation device includes: a feature point extracting unit for detecting an area corresponding to the face of an occupant in an image captured by a camera for imaging a vehicle interior and extracting a plurality of feature points in the detected area; an inter-feature-point distance calculating unit for calculating a first inter-feature-point distance that is a distance between distance-calculating feature points among the plurality of feature points; a face direction detecting unit for detecting the face direction of the occupant; a head position angle calculating unit for calculating a head position angle indicating the position of the head of the occupant with respect to an imaging axis of the camera; an inter-feature-point distance correcting unit for correcting the first inter-feature-point distance to a second inter-feature-point distance that is a distance between distance-calculating feature points in a state where portions of the head corresponding to the distance-calcuType: ApplicationFiled: February 26, 2018Publication date: July 15, 2021Applicant: Mitsubishi Electric CorporationInventors: Yusuke NAKAMATSU, Asako SHIGETA, Shintaro WATANABE, Ryosuke TORAMA, Takashi HIRANO
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Publication number: 20210073510Abstract: An area extraction unit (2) extracts an eye area in an image of a driver. An eyelid detection unit (3) detects an eyelid in the eye area. A reliability calculation unit (4) calculates an eyelid reliability by using luminance information of the eye area and positional information of the eyelid detected by the eyelid detection unit (3). A determination unit (5) determines that the eyelid has not been properly detected, when the eyelid reliability is less than a first threshold value.Type: ApplicationFiled: February 13, 2018Publication date: March 11, 2021Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kazuki KUNIHIRO, Yudai NAKAMURA, Takashi HIRANO
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Patent number: 10914358Abstract: Balancer device has upper and lower housings 3 and 4 having therein an accommodation section 10, a pair of drive and driven side shafts 5 and 6 which are rotatably supported by four plain bearings 11 to 14 provided in the accommodation section and to which a rotation force is transmitted from a crankshaft, and arc band-shaped thrust receiving portions 32a and 33a which thrust flange portions of drive and driven gears 8 and 9 provided at the drive and driven side shafts respectively can contact from a thrust direction. First and second oil storing grooves 34 and 35, groove passages 36 and 37 and vertical groove passages 38a to 39b are formed at the thrust receiving portions on a gravity direction lower side with respect to a meshing portion of the both gears. With this configuration, it is possible to suppress occurrence of abrasion of the thrust receiving portion.Type: GrantFiled: February 6, 2018Date of Patent: February 9, 2021Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Takashi Hirano, Masaharu Kitamura
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Patent number: 10851685Abstract: Balancer shaft 5 and 6 rotatably set through bearings 11˜14 and an oil pump 2 driven by power from the balancer shaft 5 and 6 are provided in a balancer housing. Oil discharged from an outlet portion 42 of the oil pump 2 is supplied to a main oil gallery 10 through an outlet passage 48. A bearing filter 55 that filters a part of the oil is provided in the outlet passage 48 that extends from the outlet portion 42. A communication passage 50 that branches off from the outlet passage 48 and communicates with the bearings 11˜14 supplies a part of the oil having been filtered by the bearing filter 55 to the bearings 11˜14. By filtering the oil that is going to be supplied to the bearing portion, decrease in durability of the bearing portion can be suppressed.Type: GrantFiled: September 4, 2019Date of Patent: December 1, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Masaharu Kitamura, Takashi Hirano, Masahumi Kurita
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Patent number: 10837442Abstract: A variable oil pump includes a pump rotor housed in a housing and rotationally driven, an adjustment ring that adjusts an amount of oil discharged from the pump rotor by being displaced under hydraulic pressure supplied to a hydraulic chamber between the housing and the pump rotor in a state where the pump rotor is rotatably held from an outer peripheral side, and a vane provided in a portion where the adjustment ring and the housing face each other and that seals oil leakage to an outside of the hydraulic chamber. The adjustment ring includes a vane holding portion that holds the vane and an oil passage through which the hydraulic pressure in the hydraulic chamber is drawn into the vane holding portion.Type: GrantFiled: September 9, 2016Date of Patent: November 17, 2020Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Takashi Hirano, Atsuo Isoda, Takahiro Sakai
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Patent number: 10836251Abstract: A lid device includes an opening former, a lid, and a connector. The opening former is provided with an opening. The lid opens and closes the opening in the opening former. The connector intervenes between the opening former and the lid, and connects the opening former with the lid. The opening former includes a first gear. The lid includes a second gear. The connector includes a third gear meshing with both of the first gear and the second gear. The opening former and connector are made turnable relatively to one another about the axial center of the first gear. The lid and connector are made turnable relatively to one another about the axial center of the second gear. The connector interlocks the opening former turning relatively to the connector and the lid turning relatively to the connector with one another.Type: GrantFiled: January 16, 2019Date of Patent: November 17, 2020Assignee: TOYODA GOSEI CO., LTD.Inventors: Maki Takeuchi, Masahiro Ogata, Takashi Hirano
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Patent number: 10814788Abstract: A recognized-region estimation device is provided with a visually-recognized-region calculating unit which calculates a visually-recognized region visually recognized by a driver of a mobile body in a mobile body coordinate system based on the mobile body on the basis of a line-of-sight direction of the driver, and a recognized-region calculating unit which calculates a recognized region recognized by the driver in the mobile body coordinate system on the basis of the visually-recognized region calculated by the visually-recognized-region calculating unit.Type: GrantFiled: July 5, 2016Date of Patent: October 27, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takahisa Hirata, Takashi Hirano, Takuji Morimoto
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Publication number: 20200232538Abstract: Balancer device has upper and lower housings 3 and 4 having therein an accommodation section 10, a pair of drive and driven side shafts 5 and 6 which are rotatably supported by four plain bearings 11 to 14 provided in the accommodation section and to which a rotation force is transmitted from a crankshaft, and arc band-shaped thrust receiving portions 32a and 33a which thrust flange portions of drive and driven gears 8 and 9 provided at the drive and driven side shafts respectively can contact from a thrust direction. First and second oil storing grooves 34 and 35, groove passages 36 and 37 and vertical groove passages 38a to 39b are formed at the thrust receiving portions on a gravity direction lower side with respect to a meshing portion of the both gears. With this configuration, it is possible to suppress occurrence of abrasion of the thrust receiving portion.Type: ApplicationFiled: February 6, 2018Publication date: July 23, 2020Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Takashi HIRANO, Masaharu KITAMURA
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Patent number: 10624538Abstract: An eyelid detection device includes a face feature point detecting unit for detecting outer and inner eye corners as face feature points from a captured image, an eye region detecting unit for detecting an eye region including both an upper eyelid area and an eye area from the captured image on the basis of the face feature points, and an upper eyelid detecting unit for, for each of a plurality of divided areas into which the eye region is divided, detecting the boundary between the upper eyelid area and the eye area on the basis of the pattern of arrangement of the intensity values of pixels aligned in the divided region, and for connecting the boundary detected for each of the divided regions, to determine an upper eyelid.Type: GrantFiled: January 17, 2017Date of Patent: April 21, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Natsuki Tahara, Yudai Nakamura, Takashi Hirano, Masanobu Osawa
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Patent number: 10621418Abstract: A passenger detection device (10) includes a face image obtaining unit (12) obtaining a face image captured in a state in which a passenger in a vehicle irradiated with irradiation light from light sources. The device further includes: a reflected-image position detecting unit (14) detecting, from the face image, positions of respective reflected images of the light sources reflected on eyeglasses worn by the passenger; an eyeglasses feature detecting unit (15) detecting, from the face image, positions of center points of lenses as feature information of the eyeglasses; a head position detecting unit (16) detecting a head position of the passenger on the basis of the positions of respective reflected images; and a face orientation detecting unit (17) detecting face orientation of the passenger on the basis of relation between the head position of the passenger, the positions of respective reflected images, and the positions of center points of lenses.Type: GrantFiled: February 18, 2016Date of Patent: April 14, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Natsuki Tahara, Takashi Hirano, Masanobu Osawa
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Patent number: 10576802Abstract: A suspension arm includes an arm portion and coupling portions, and the suspension arm is integrally made of a fiber reinforced plastics in entirety. The entire arm portion is made of a random fiber reinforced plastics. Each of the coupling portions is made of a continuous fiber reinforced plastics in which continuous fibers are oriented along a circumferential direction of an insertion hole over a region on a distal end side of the suspension arm, which continuously extends by at least a half circumference around a center axis of the insertion hole, the region including a position crossing a flat plane that is orthogonal to a straight line connecting center points of the insertion holes of elastic bushes and passes through the center point of the insertion hole.Type: GrantFiled: March 30, 2018Date of Patent: March 3, 2020Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, MITSUBISHI CHEMICAL CORPORATIONInventors: Takashi Hirano, Yasuhiko Nabeshima
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Publication number: 20200018198Abstract: Balancer shaft 5 and 6 rotatably set through bearings 11˜14 and an oil pump 2 driven by power from the balancer shaft 5 and 6 are provided in a balancer housing. Oil discharged from an outlet portion 42 of the oil pump 2 is supplied to a main oil gallery 10 through an outlet passage 48. A bearing filter 55 that filters a part of the oil is provided in the outlet passage 48 that extends from the outlet portion 42. A communication passage 50 that branches off from the outlet passage 48 and communicates with the bearings 11˜14 supplies a part of the oil having been filtered by the bearing filter 55 to the bearings 11˜14. By filtering the oil that is going to be supplied to the bearing portion, decrease in durability of the bearing portion can be suppressed.Type: ApplicationFiled: September 4, 2019Publication date: January 16, 2020Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Masaharu KITAMURA, Takashi HIRANO, Masahumi KURITA
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Patent number: 10522781Abstract: An electroluminescence device and a display device including an electroluminescence device are provided. The electroluminescence device includes an anode including silver, wherein at least a portion of the anode substantially extends in a horizontal direction; a first layer provided over the anode; an organic layer including a luminescent layer; a cathode provided over the organic layer; and an insulating layer provided over an end portion of the anode and an end portion of the first layer, wherein at least a portion of the cathode substantially extends in the horizontal direction in a light emission region, wherein a surface of the insulating layer has a curved portion, and wherein at least a portion of the cathode within a region of the insulating layer above the curved portion extends along a first angled upward direction between the horizontal direction and the thickness direction of the anode.Type: GrantFiled: June 11, 2018Date of Patent: December 31, 2019Assignee: Sony CorporationInventors: Koji Hanawa, Jiro Yamada, Takashi Hirano
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Publication number: 20190320890Abstract: An eyelid detection device includes a face feature point detecting unit for detecting outer and inner eye corners as face feature points from a captured image, an eye region detecting unit for detecting an eye region including both an upper eyelid area and an eye area from the captured image on the basis of the face feature points, and an upper eyelid detecting unit for, for each of a plurality of divided areas into which the eye region is divided, detecting the boundary between the upper eyelid area and the eye area on the basis of the pattern of arrangement of the intensity values of pixels aligned in the divided region, and for connecting the boundary detected for each of the divided regions, to determine an upper eyelid.Type: ApplicationFiled: January 17, 2017Publication date: October 24, 2019Applicant: Mitsubishi Electric CorporationInventors: Natsuki TAHARA, Yudai NAKAMURA, Takashi HIRANO, Masanobu OSAWA
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Publication number: 20190275946Abstract: A recognized-region estimation device is provided with a visually-recognized-region calculating unit which calculates a visually-recognized region visually recognized by a driver of a mobile body in a mobile body coordinate system based on the mobile body on the basis of a line-of-sight direction of the driver, and a recognized-region calculating unit which calculates a recognized region recognized by the driver in the mobile body coordinate system on the basis of the visually-recognized region calculated by the visually-recognized-region calculating unit.Type: ApplicationFiled: July 5, 2016Publication date: September 12, 2019Applicant: Mitsubishi Electric CorporationInventors: Takahisa HIRATA, Takashi HIRANO, Takuji MORIMOTO
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Patent number: 10410423Abstract: An HUD superimposes a display object, as a stereoscopic image or a planar image, on an actual scene. A display control device acquires information about a moving object and information about surrounding and estimates a relative distance between a display obstacle and the moving object. When it is determined that the display obstacle exists or can exist between the display object and the moving object, the display control device changes the display mode of the display object in accordance with the amount of change in the relative distance and notifies the HUD of the display mode.Type: GrantFiled: April 17, 2015Date of Patent: September 10, 2019Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Shuhei Ota, Takashi Hirano, Taro Kumagai
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Publication number: 20190232782Abstract: A lid device includes an opening former, a lid, and a connector. The opening former is provided with an opening. The lid opens and closes the opening in the opening former. The connector intervenes between the opening former and the lid, and connects the opening former with the lid. The opening former includes a first gear. The lid includes a second gear. The connector includes a third gear meshing with both of the first gear and the second gear. The opening former and connector are made turnable relatively to one another about the axial center of the first gear. The lid and connector are made turnable relatively to one another about the axial center of the second gear. The connector interlocks the opening former turning relatively to the connector and the lid turning relatively to the connector with one another.Type: ApplicationFiled: January 16, 2019Publication date: August 1, 2019Inventors: Maki TAKEUCHI, Masahiro OGATA, Takashi HIRANO
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Publication number: 20190147261Abstract: Included are a detection information acquiring unit (101) for acquiring detection information showing that an operator's input operation has been detected; a vehicle information acquiring unit (102) for acquiring vehicle information showing the travelling state of a vehicle; an identification processing unit (104) for identifying the operator who has performed the input operation; and a control unit (103) for controlling either output of the detection information or a start of a voice recognition process of recognizing the operator's voice, on the basis of either the vehicle information or the vehicle information and a result of the identification by the identification processing unit.Type: ApplicationFiled: June 8, 2016Publication date: May 16, 2019Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Yumi HOSHINA, Taro KUMAGAI, Takashi HIRANO, Masanobu OSAWA
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Publication number: 20190026540Abstract: A passenger detection device (10) includes a face image obtaining unit (12) obtaining a face image captured in a state in which a passenger in a vehicle irradiated with irradiation light from light sources. The device further includes: a reflected-image position detecting unit (14) detecting, from the face image, positions of respective reflected images of the light sources reflected on eyeglasses worn by the passenger; an eyeglasses feature detecting unit (15) detecting, from the face image, positions of center points of lenses as feature information of the eyeglasses; a head position detecting unit (16) detecting a head position of the passenger on the basis of the positions of respective reflected images; and a face orientation detecting unit (17) detecting face orientation of the passenger on the basis of relation between the head position of the passenger, the positions of respective reflected images, and the positions of center points of lenses.Type: ApplicationFiled: February 18, 2016Publication date: January 24, 2019Applicant: Mitsubishi Electric CorporationInventors: Natsuki TAHARA, Takashi HIRANO, Masanobu OSAWA
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Patent number: 10168786Abstract: An emphasis level R is calculated in accordance with a difference between a position of a hand of an operator A specified based on a detection signal of a 3D camera 6 and a predetermined position of a hand for performing a gesture operation. A notification of a presence of an operation object intended for the gesture operation is provided with the calculated emphasis level R to thereby guide the hand of the operator A to a predetermined position of a hand, every time the emphasis level R is calculated in response to the detection of the hand of the operator A by the 3D camera 6.Type: GrantFiled: February 18, 2014Date of Patent: January 1, 2019Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi Hirano, Taro Kumagai, Shuhei Ota