Patents by Inventor Kenichi Saito
Kenichi Saito 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: 20210041948Abstract: An eye tracking system for detecting position and movements of a user's eyes in a head-mounted display (HMD). The eye tracking system includes at least one eye tracking camera, an illumination source that emits infrared light towards the user's eyes, and diffraction gratings located at the eyepieces. The diffraction gratings redirect or reflect at least a portion of infrared light reflected off the user's eyes, while allowing visible light to pass. The cameras capture images of the user's eyes from the infrared light that is redirected or reflected by the diffraction gratings.Type: ApplicationFiled: August 3, 2020Publication date: February 11, 2021Applicant: Apple Inc.Inventors: Kathrin Berkner-Cieslicki, Se Baek Oh, Scott M. DeLapp, Christopher F. Griffo, Bradley C. Steele, Ting Sun, Kenichi Saito, Noah D. Bedard
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Patent number: 10877556Abstract: An eye tracking system for detecting position and movements of a user's eyes in a head-mounted display (HMD). The eye tracking system may include at least one near-IR (NIR) eye tracking camera positioned at each side of the user's face and pointed towards eye-facing surfaces of eyepieces of the HMD, an illumination source that emits NIR light towards the user's eyes, and hot mirrors located between the eye-facing surfaces of the eyepieces and the user's eyes. The hot mirrors reflect at least a portion of NIR light, while allowing visible light to pass. The cameras capture images of the user's eyes reflected by the hot mirrors. Positioning the hot mirrors at or near the eye-facing surfaces of the eyepieces allows the cameras to be placed at the sides of the user's face without having to image through the eyepieces.Type: GrantFiled: October 19, 2017Date of Patent: December 29, 2020Assignee: Apple Inc.Inventors: Kathrin Berkner-Cieslicki, Ricardo J. Motta, Se Hoon Lim, Minwoong Kim, Kenichi Saito, Branko Petljanski, Jason C. Sauers, Yoshikazu Shinohara
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Publication number: 20200297711Abstract: The present invention provides a pharmaceutical composition comprising FGFR selective tyrosine kinase inhibitor, specifically 5-((2-(4-(1-(2-hydroxyethyl)piperidin-4-yl)benzamide)pyridine-4-yl)oxy)-6-(2-methoxyethoxy)-N-methyl-1H-indole-1-carboxamide or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: October 10, 2018Publication date: September 24, 2020Inventors: Tatsuya Sasaki, Kenichi Saito
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Publication number: 20200153376Abstract: Provided are a data obtaining method, an inverter, and a rotating electric machine capable of managing the operation state of a device without complicating the configuration thereof. Therefore, the data obtaining method uses an inverter for controlling a synchronous electric motor, wherein a position/speed calculation unit of the inverter calculates an electric angle of the synchronous electric motor from the value of the current flowing between the synchronous electric motor and the inverter and obtains data for each electric angle by sampling internal data within the inverter, said internal data being used for controlling the synchronous electric motor in synchronization with the information of the electric angle.Type: ApplicationFiled: September 29, 2017Publication date: May 14, 2020Inventors: Toshio TOMITA, Kenichi SAITO, Yuuta IWASE, Masahiro SANO
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Patent number: 10278577Abstract: An apparatus for measuring a fundus of a subject. The apparatus includes a focusing unit which adjusts a defocus of the apparatus. The focusing unit includes a first focusing mirror and a second focusing mirror. The first focusing mirror and second focusing mirror are arranged so that an incident beam from the light source entering the focusing unit and an emitted beam exiting the focusing unit are substantially parallel to each other. Adjustment of the defocus is accomplished by moving both first focusing mirror and second focusing mirror such that incident beam and emitted beam remain substantially parallel to each other. The apparatus includes a wavefront sensor for detecting a shape of a wavefront. The apparatus includes a wavefront correction device. The wavefront correction device adjusts a wavefront of the light from the light source based on the shape of the wavefront detected by the wavefront sensor.Type: GrantFiled: September 29, 2017Date of Patent: May 7, 2019Assignee: CANON KABUSHIKI KAISHAInventor: Kenichi Saito
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Patent number: 10044016Abstract: A storage battery includes a negative electrode including, as an active material, at least one of a metal capable of forming a dendrite and a metal compound thereof, a positive electrode, a separator, and an electrolyte containing an additive. In the storage battery, a concentration of the additive in the electrolyte in a region on a side of the negative electrode defined by the separator is higher than a concentration of the additive in a region on a side of the positive electrode.Type: GrantFiled: July 19, 2016Date of Patent: August 7, 2018Assignees: GS Yuasa International Ltd., KYOTO UNIVERSITYInventors: Tadashi Kakeya, Kenichi Saito, Akiyoshi Nakata, Hajime Arai, Zempachi Ogumi
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Publication number: 20180113508Abstract: An eye tracking system for detecting position and movements of a user's eyes in a head-mounted display (HMD). The eye tracking system may include at least one near-IR (NIR) eye tracking camera positioned at each side of the user's face and pointed towards eye-facing surfaces of eyepieces of the HMD, an illumination source that emits NIR light towards the user's eyes, and hot mirrors located between the eye-facing surfaces of the eyepieces and the user's eyes. The hot mirrors reflect at least a portion of NIR light, while allowing visible light to pass. The cameras capture images of the user's eyes reflected by the hot mirrors. Positioning the hot mirrors at or near the eye-facing surfaces of the eyepieces allows the cameras to be placed at the sides of the user's face without having to image through the eyepieces.Type: ApplicationFiled: October 19, 2017Publication date: April 26, 2018Applicant: Apple Inc.Inventors: Kathrin Berkner-Cieslicki, Ricardo J. Motta, Se Hoon Lim, Minwoong Kim, Kenichi Saito, Branko Petljanski, Jason C. Sauers, Yoshikazu Shinohara
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Patent number: 9918631Abstract: An adaptive optical apparatus includes a wavefront correction unit configured to correct a wavefront aberration, a first scanning unit configured to be arranged to be optically almost conjugate to the wavefront correction unit, and scan light on an object in a first direction, a second scanning unit configured to be arranged to be optically almost conjugate to the wavefront correction unit, and scan light on the object in a second direction perpendicular to the first direction, and an optical element arranged in an optical path between the wavefront correction unit and the first scanning unit and arranged in an optical path between the first scanning unit and the second scanning unit.Type: GrantFiled: October 18, 2013Date of Patent: March 20, 2018Assignee: Canon Kabushiki KaishaInventor: Kenichi Saito
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Patent number: 9913580Abstract: Apparatus, method, and non-transitory medium for optical stabilization and digital image registration in scanning light ophthalmoscopy. Scanning an object with measurement light. Acquire an image of the object to be examined based on return light from the object. Acquire information which indicates movement of the object to be examined based on a plurality of acquired images. Control the scanning based on the information which indicates the movement of the object to be examined. Performing registration of the plurality of images.Type: GrantFiled: September 18, 2014Date of Patent: March 13, 2018Assignees: Canon Kabushiki Kaisha, University of RochesterInventors: Kenichi Saito, Qiang Yang, Jie Zhang, Koji Nozato
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Publication number: 20180020914Abstract: An apparatus for measuring a fundus of a subject. The apparatus includes a focusing unit which adjusts a defocus of the apparatus. The focusing unit includes a first focusing mirror and a second focusing mirror. The first focusing mirror and second focusing mirror are arranged so that an incident beam from the light source entering the focusing unit and an emitted beam exiting the focusing unit are substantially parallel to each other. Adjustment of the defocus is accomplished by moving both first focusing mirror and second focusing mirror such that incident beam and emitted beam remain substantially parallel to each other. The apparatus includes a wavefront sensor for detecting a shape of a wavefront. The apparatus includes a wavefront correction device. The wavefront correction device adjusts a wavefront of the light from the light source based on the shape of the wavefront detected by the wavefront sensor.Type: ApplicationFiled: September 29, 2017Publication date: January 25, 2018Inventor: Kenichi SAITO
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Patent number: 9875541Abstract: A method, controller, and non-transitory medium for obtaining images of a moving subject. Estimating changes in position of the subject based on the images. Calculating a quality metric of the estimation of the change. Comparing the quality metric to a threshold. In a first case in which the quality metric is less than the threshold, adjusting position of the scanning area based on the estimated change in position. In a second case in which the quality metric is not less than the threshold, obtaining a new second image.Type: GrantFiled: January 14, 2016Date of Patent: January 23, 2018Assignees: Canon Kabushiki Kaisha, University of RochesterInventors: Koji Nozato, Kenichi Saito, Qiang Yang
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Patent number: 9867538Abstract: An ophthalmic apparatus includes an AOSLO apparatus, a WFSLO apparatus, and a tracking processor that controls a tracking mirror based on position information calculated from AOSLO and WFSLO images. In another embodiment, the tracking processor controls the tracking mirror based on position information calculated from WFSLO images only. Depending on the amount of movement a target image with respect to a reference image, and the accuracy of detection thereof, the tracking mirror of either the AOSLO apparatus or the WFSLO apparatus can be selectively controlled according to a difference in position of the target image with respect to the reference image.Type: GrantFiled: March 21, 2016Date of Patent: January 16, 2018Assignee: Canon Kabushiki KaishaInventors: Koji Nozato, Kenichi Saito, Kaishi Ohashi, Akira Sato, Futoshi Hirose, Hiroshi Imamura
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Patent number: 9868502Abstract: In a stern tube sealing device, slurry contained in outboard water is suppressed from depositing on sliding portions between a wall surface of a seal ring chamber or an outer peripheral surface of a propeller shaft and a sealing surface of a seal ring. A first seal ring (121) is arranged in a first seal ring chamber (111), and a second seal ring (122) is arranged in a second seal ring chamber (112) which is formed at an inboard side of the first seal ring chamber. The first seal ring chamber and the second seal ring chamber are in communication with each other through the sliding portions between a wall surface of the first seal ring chamber and a sealing surface (121a) of the first seal ring. Outboard water is filled into the first seal ring chamber, and clear water is filled into the second seal ring chamber.Type: GrantFiled: July 8, 2013Date of Patent: January 16, 2018Assignee: EAGLE INDUSTRY CO., LTD.Inventors: Kenichi Saito, Hiroyuki Sada
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Apparatus for measurement of a fundus comprising a focusing system and a wavefront correction device
Patent number: 9775514Abstract: An apparatus for measuring a fundus of a subject. The apparatus includes a focusing unit which adjusts a defocus of the apparatus. The focusing unit includes a first focusing mirror and a second focusing mirror. The first focusing mirror and second focusing mirror are arranged so that an incident beam from the light source entering the focusing unit and an emitted beam exiting the focusing unit are substantially parallel to each other. Adjustment of the defocus is accomplished by moving both first focusing mirror and second focusing mirror such that incident beam and emitted beam remain substantially parallel to each other. The apparatus includes a wavefront sensor for detecting a shape of a wavefront. The apparatus includes a wavefront correction device. The wavefront correction device adjusts a wavefront of the light from the light source based on the shape of the wavefront detected by the wavefront sensor.Type: GrantFiled: February 26, 2015Date of Patent: October 3, 2017Assignee: Canon Kabushiki KaishaInventor: Kenichi Saito -
Publication number: 20170265742Abstract: An ophthalmic apparatus includes an AOSLO apparatus, a WFSLO apparatus, and a tracking processor that controls a tracking mirror based on position information calculated from AOSLO and WFSLO images. In another embodiment, the tracking processor controls the tracking mirror based on position information calculated from WFSLO images only. Depending on the amount of movement a target image with respect to a reference image, and the accuracy of detection thereof, the tracking mirror of either the AOSLO apparatus or the WFSLO apparatus can be selectively controlled according to a difference in position of the target image with respect to the reference image.Type: ApplicationFiled: March 21, 2016Publication date: September 21, 2017Inventors: Koji NOZATO, Kenichi SAITO, Kaishi OHASHI, Akira SATO, Futoshi HIROSE, Hiroshi IMAMURA
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Publication number: 20170206657Abstract: A method, controller, and non-transitory medium for obtaining images of a moving subject. Estimating changes in position of the subject based on the images. Calculating a quality metric of the estimation of the change. Comparing the quality metric to a threshold. In a first case in which the quality metric is less than the threshold, adjusting position of the scanning area based on the estimated change in position. In a second case in which the quality metric is not less than the threshold, obtaining a new second image.Type: ApplicationFiled: January 14, 2016Publication date: July 20, 2017Inventors: Koji Nozato, Kenichi Saito, Qiang Yang
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Patent number: 9617960Abstract: A fuel supply apparatus for an internal combustion engine includes: a feed pump capable of feeding a fuel of the internal combustion engine; a high pressure fuel pump that pressurizes the fuel fed from the feed pump; and a second injector that supplies the pressurized high-pressure fuel to the internal combustion engine selectively. An ECU of the fuel supply apparatus includes: a pulsation width detection unit that detects a pulsation width in a pressure of the fuel fed from the feed pump to the high pressure fuel pump; and a feeding condition determination unit that determines that a condition variation causing fuel vapor to form in the fuel fed to the high pressure fuel pump has occurred when the pulsation width detected by the pulsation width detection unit falls rapidly to a preset threshold variation width.Type: GrantFiled: December 7, 2011Date of Patent: April 11, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Kenichi Saito
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Patent number: 9618743Abstract: An adaptive optical imaging system for imaging an object including a first polarization sensitive spatial light phase modulator and a second polarization sensitive spatial light phase modulator and a polarization adjustment device that converts the polarization of light that has passed through the first modulator before it irradiates the object and converts the polarization of the reflected light before it passes through the second modulator.Type: GrantFiled: March 26, 2015Date of Patent: April 11, 2017Assignee: Canon Kabushiki KaishaInventor: Kenichi Saito
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Patent number: 9567985Abstract: A high-pressure pump includes a plunger capable of reciprocating, and a housing having a pressurizing chamber in which fuel is pressurized by the plunger, and a fuel chamber through which the fuel flows toward and from the pressurizing chamber. The pump includes a spring that biases the plunger so as to increase the volume of the pressurizing chamber, and a spring seat that is fixed to the housing and is in contact with one end of the spring. A first space that communicates with the fuel chamber via a fuel passage is provided between the bottom of the spring seat and the housing, and a top face of the bottom exposed to the first space is covered with a heatinginsulating member.Type: GrantFiled: December 12, 2011Date of Patent: February 14, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsuhiko Akita, Kenichi Saito
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Publication number: 20170033345Abstract: A storage battery includes a negative electrode including, as an active material, at least one of a metal capable of forming a dendrite and a metal compound thereof, a positive electrode, a separator, and an electrolyte containing an additive. In the storage battery, a concentration of the additive in the electrolyte in a region on a side of the negative electrode defined by the separator is higher than a concentration of the additive in a region on a side of the positive electrode.Type: ApplicationFiled: July 19, 2016Publication date: February 2, 2017Inventors: Tadashi KAKEYA, Kenichi SAITO, Akiyoshi NAKATA, Hajime ARAI, Zempachi OGUMI