Patents by Inventor Masahiro Takada
Masahiro Takada 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: 20240053822Abstract: It is possible to guide a mounting state of a head-mounted image display device to a visually recognizable region that is a correct design position. A head-mounted image display device 100 includes an image acquisition unit 104 that acquires a positional relationship image from which a positional relationship between a pupil position of an eyeball of a user and a visually recognizable region of the user can be estimated and a projection system 103 onto which incident light is projected, and the visually recognizable region is a focal position of the projection system 103. Further, the image display device 100 includes an imaging element, and the imaging element acquires the three-dimensional positional relationship image.Type: ApplicationFiled: December 13, 2021Publication date: February 15, 2024Inventors: MASAHIRO TAKADA, TEPPEI IMAMURA, RYO OGAWA
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Publication number: 20240050189Abstract: A biomagnetic field measurement device includes an irradiation unit configured to irradiate a subject with radiation; an imaging unit having a light-receiving surface for receiving radiation, the imaging unit being configured to image the subject based on the radiation from the irradiation unit; a marker part configured to absorb the radiation from the irradiation unit; and a processing circuit configured to output biological information based on third position information of the marker part and an imaged result of the subject by the imaging unit, the third position information of the marker part being calculated from first position information of the marker part, second position information of the irradiation unit, and a captured image of the marker part imaged by the imaging unit.Type: ApplicationFiled: August 8, 2023Publication date: February 15, 2024Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Masahiro Takada, Shigenori Kawabata, Akira Kinoshita
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Patent number: 11677915Abstract: An image display device includes M (M?2) ultra-short focus projectors and reflective directional screens that reflect projection light rays from the corresponding ultra-short focus projectors. The ultra-short focus projectors are arranged above or below the directional screens on which the ultra-short focus projectors are supposed to project images. Adjacent directional screens are tightly arranged. The adjacent directional screens are arranged to form an angle of less than 180 degrees.Type: GrantFiled: March 8, 2019Date of Patent: June 13, 2023Assignee: SONY CORPORATIONInventors: Masahiro Takada, Norihiro Ohse
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Patent number: 11599009Abstract: An image sensor attached to a printed circuit board is installed in a camera. A holder includes first and second rails comprising first and second printed circuit boards, respectively, and the holder is fastened to a lens mount of the camera. The holder may be fastened to captively hold the image sensor, and the image sensor may be resiliently supported when captively held. A gripper grasps the image sensor proximate to the holder and aligns the image sensor to an aligned position of the image sensor relative to the lens mount. The image sensor may be moved to the aligned position after directing an image toward the image sensor to produce a processed image for determining relative alignment. The printed circuit board is soldered to the first and/or second printed circuit board such that the holder fixedly holds the image sensor so it is unmovable in its aligned position.Type: GrantFiled: June 24, 2022Date of Patent: March 7, 2023Assignee: Lucid Vision Labs, Inc.Inventors: Jeffrey Bull, Alexander Rybolov, Roderick A. Barman, Masahiro Takada
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Publication number: 20230004215Abstract: An object is to provide a head-mounted display apparatus that makes it possible to accurately determine a mounting deviation. The technology provides a head-mounted display apparatus including a sensor that detects a change in position of the head-mounted display apparatus relative to a head. The technology further provides an image display system including the head-mounted display apparatus and an information processor that sends image data to the head-mounted display apparatus. The technology further provides an image display method including a detection step of detecting the change in position of the head-mounted display apparatus relative to the head, and an adjustment step of adjusting a position to which the head-mounted display apparatus projects image display light on the basis of the change in position detected in the detection step.Type: ApplicationFiled: November 2, 2020Publication date: January 5, 2023Inventor: MASAHIRO TAKADA
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Publication number: 20220317547Abstract: An image sensor attached to a printed circuit board is installed in a camera. A holder includes first and second rails comprising first and second printed circuit boards, respectively, and the holder is fastened to a lens mount of the camera. The holder may be fastened to captively hold the image sensor, and the image sensor may be resiliently supported when captively held. A gripper grasps the image sensor proximate to the holder and aligns the image sensor to an aligned position of the image sensor relative to the lens mount. The image sensor may be moved to the aligned position after directing an image toward the image sensor to produce a processed image for determining relative alignment. The printed circuit board is soldered to the first and/or second printed circuit board such that the holder fixedly holds the image sensor so it is unmovable in its aligned position.Type: ApplicationFiled: June 24, 2022Publication date: October 6, 2022Applicant: Lucid Vision Labs, Inc.Inventors: Jeffrey BULL, Alexander RYBOLOV, Roderick A. BARMAN, Masahiro TAKADA
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Patent number: 11402726Abstract: A camera has a lens mount and an image sensor for sensing images. A holder of the camera can captively hold the image sensor such that the image sensor is moveable relative to the lens mount when the image sensor is not attached to the holder. The holder is further operable to fixedly hold the image sensor such that the image sensor is unmoveable relative to the lens mount at an aligned position of the image sensor when the image sensor is attached to the holder. The image sensor may be attached to a printed circuit board. The holder may include first and second rails comprising first and second printed circuit boards, respectively. The holder is then operable to fixedly hold the image sensor by the printed circuit board being soldered to at least one of the first and second printed circuit boards.Type: GrantFiled: July 16, 2019Date of Patent: August 2, 2022Assignee: Lucid Vision Labs, Inc.Inventors: Jeffrey Bull, Alexander Rybolov, Roderick A. Barman, Masahiro Takada
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Publication number: 20220218300Abstract: A disclosed radiation source position estimation system includes a first position information specifier configured to specify position information of one or more elements included in a position measuring member; an imager configured to acquire images of the one or more elements formed by radiation emitted from a radiation source; and a second position information specifier configured to specify position information of the radiation source, based on the first position information specified by the first position information specifier and the images acquired by the imager.Type: ApplicationFiled: June 23, 2020Publication date: July 14, 2022Applicant: Ricoh Company, Ltd.Inventors: Masahiro TAKADA, Yoshihisa NAIJO, Akira KINOSHITA
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Patent number: 11333954Abstract: A camera includes: (a) a printed circuit board supporting a first circuit component; (b) a second printed circuit board; (c) a PCB holder for holding the printed circuit boards spaced apart from each other and pivotable relative to each other; and (d) a housing for enclosing the printed circuit boards and the PCB holder, the PCB holder being dimensioned for fastening to the housing such that the printed circuit boards are not parallel to each other and the first circuit component is placed in thermal communication with the housing.Type: GrantFiled: January 14, 2021Date of Patent: May 17, 2022Assignee: Lucid Vision Labs, Inc.Inventors: Jeffrey Bull, Alexander Rybolov, Roderick A. Barman, Masahiro Takada
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Publication number: 20220031276Abstract: An image processing apparatus includes a processor programmed to obtain a first radiation image of a subject captured from a first direction, obtain a second radiation image of the subject captured from a second direction that intersects the first direction, and either correct one of the first radiation image and the second radiation image based on positional information of a device for capturing the one of the first radiation image and the second radiation image, or correct another one of the first radiation image and the second radiation image based on information on a position of a specific region of the subject obtained from the one of the first radiation image and the second radiation image.Type: ApplicationFiled: July 16, 2021Publication date: February 3, 2022Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Taishi WATANABE, Akira Kinoshita, Masahiro Takada, Shigenori Kawabata
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Patent number: 11138746Abstract: A diagnostic support system includes a spinal cord/spinal nerve evoked magnetic field data acquisition device configured to acquire spinal cord/spinal nerve evoked magnetic field data and a medical image information acquisition device configured to acquire first medical image information having each pixel associated with a corresponding pixel of visualized data of the spinal cord/spinal nerve evoked magnetic field data. The diagnostic support system superimposes the visualized data of the spinal cord/spinal nerve evoked magnetic field data on second medical image information based on information included in the first medical image information.Type: GrantFiled: June 13, 2018Date of Patent: October 5, 2021Assignees: Ricoh Company, Ltd., NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITYInventors: Akira Kinoshita, Shigenori Kawabata, Masahiro Takada, Kazuya Niyagawa
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Publication number: 20210274069Abstract: A camera includes: (a) a lens mount; (b) an image sensor for sensing images; and (c) a holder for fixedly holding the image sensor unmoveable relative to the lens mount at an aligned position after being aligned by gripping the image sensor. The same or different camera includes: (a) a printed circuit board supporting a first circuit component; (b) a second printed circuit board; (c) a PCB holder for holding the printed circuit boards spaced apart from each other and pivotable relative to each other; and (d) a housing for enclosing the printed circuit boards and the PCB holder, the PCB holder being dimensioned for fastening to the housing such that the printed circuit boards are not parallel to each other and the first circuit component is placed in thermal communication with the housing. Methods of installing the image sensor and an image processing assembly are provided.Type: ApplicationFiled: July 16, 2019Publication date: September 2, 2021Applicant: Lucid Vision Labs, Inc.Inventors: Jeffrey BULL, Alexander RYBOLOV, Roderick A. BARMAN, Masahiro TAKADA
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Publication number: 20210141290Abstract: A camera includes: (a) a lens mount; (b) an image sensor for sensing images; and (c) a holder for fixedly holding the image sensor unmoveable relative to the lens mount at an aligned position after being aligned by gripping the image sensor. The same or different camera includes: (a) a printed circuit board supporting a first circuit component; (b) a second printed circuit board; (c) a PCB holder for holding the printed circuit boards spaced apart from each other and pivotable relative to each other; and (d) a housing for enclosing the printed circuit boards and the PCB holder, the PCB holder being dimensioned for fastening to the housing such that the printed circuit boards are not parallel to each other and the first circuit component is placed in thermal communication with the housing. Methods of installing the image sensor and an image processing assembly are provided.Type: ApplicationFiled: January 14, 2021Publication date: May 13, 2021Applicant: Lucid Vision Labs, Inc.Inventors: Jeffrey BULL, Alexander RYBOLOV, Roderick A. BARMAN, Masahiro TAKADA
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Publication number: 20210021793Abstract: An image projection apparatus includes a detector that detects a first region emitting non-visible light; a projector that projects a visible-light image onto a second region including the first region detected by the detector; and a controller configured to generate the visible-light image. The controller varies colors of pixels of the visible-light image in a stepwise manner depending on emission intensities of the non-visible light at positions corresponding to the pixels within the first region.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Inventors: Masahiro TAKADA, Etsuro HATANO, Takashi NITTA, Satoru SEO, Takashi SUZUKI
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Patent number: 10885629Abstract: A medical image processing apparatus includes a memory; and at least one processor configured to execute detecting one or more vertebral bodies and one or more intervertebral disks in a medical image; labeling each part satisfying a predetermined condition among the one or more vertebral bodies and the one or more intervertebral disks detected by the detecting; interpolating a vertebral body or an intervertebral disk in a case where the one or more vertebral bodies and the one or more intervertebral disks detected by the detecting do not include the vertebral body or the intervertebral disk that satisfies the predetermined condition; and executing the labeling also for the vertebral body or the intervertebral disk interpolated by the interpolating.Type: GrantFiled: January 17, 2019Date of Patent: January 5, 2021Assignee: Ricoh Company, Ltd.Inventors: Masahiro Takada, Akira Kinoshita, Kazuya Niyagawa
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Publication number: 20200411180Abstract: A biological data processing apparatus includes an addition averaging processor configured to perform an addition averaging process on measurement data of a magnetic field generated by a living body; an estimator configured to perform an estimation process of estimating an intensity of an action current within the living body based on addition average data acquired by the addition averaging processor; a start instruction acceptor configured to accept a start instruction to start the estimation process by the estimator while measurement of the magnetic field is being performed; and a display configured to display an estimation result obtained by the estimator in response to the start instruction.Type: ApplicationFiled: June 25, 2020Publication date: December 31, 2020Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Akira KINOSHITA, Shigenori KAWABATA, Masahiro TAKADA, Kazuma GOTO, Fumikazu HOSHI, Taishi WATANABE
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Publication number: 20200404226Abstract: An image display device includes M (M?2) ultra-short focus projectors and reflective directional screens that reflect projection light rays from the corresponding ultra-short focus projectors. The ultra-short focus projectors are arranged above or below the directional screens on which the ultra-short focus projectors are supposed to project images. Adjacent directional screens are tightly arranged. The adjacent directional screens are arranged to form an angle of less than 180 degrees.Type: ApplicationFiled: March 8, 2019Publication date: December 24, 2020Applicant: SONY CORPORATIONInventors: Masahiro TAKADA, Norihiro OHSE
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Patent number: 10721447Abstract: A projection display includes an image display device that displays an image, a projection unit that projects the image displayed by the image display device to a projection surface, a light irradiator that irradiates the projection surface with linear light at an incident angle shallower than an incident angle of projection light, in which the linear light extends along a first direction within the projection surface, an imaging unit that has an optical axis different from an optical axis of the light irradiator, and performs capturing of the projection surface, and a signal processor that performs signal processing on an imaging signal outputted from the imaging unit. The imaging unit performs capturing of the linear light with which the projection surface is irradiated, and the signal processor corrects, on a basis of a captured image of the linear light, a distortion of the projected image.Type: GrantFiled: July 12, 2019Date of Patent: July 21, 2020Assignee: Sony CorporationInventors: Atsuhiro Chiba, Masahiro Takada
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Publication number: 20190342531Abstract: A projection display includes an image display device that displays an image, a projection unit that projects the image displayed by the image display device to a projection surface, a light irradiator that irradiates the projection surface with linear light at an incident angle shallower than an incident angle of projection light, in which the linear light extends along a first direction within the projection surface, an imaging unit that has an optical axis different from an optical axis of the light irradiator, and performs capturing of the projection surface, and a signal processor that performs signal processing on an imaging signal outputted from the imaging unit. The imaging unit performs capturing of the linear light with which the projection surface is irradiated, and the signal processor corrects, on a basis of a captured image of the linear light, a distortion of the projected image.Type: ApplicationFiled: July 12, 2019Publication date: November 7, 2019Applicant: Sony CorporationInventors: Atsuhiro Chiba, Masahiro Takada
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Patent number: D902278Type: GrantFiled: May 15, 2018Date of Patent: November 17, 2020Assignee: Lucid Vision Labs, Inc.Inventors: Roderick Arthur Barman, Masahiro Takada, Jeffrey Bull, Vladislav Goldenberg