Patents by Inventor Osamu Shimizu
Osamu Shimizu 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: 20240151976Abstract: A head-mounted display comprises: a wearing body; a display; a communication module configured to perform communication connection with a mobile information terminal; a field of view(FOV) sensor configured to output status data used for determining whether the mobile information terminal is included in a user's FOV through the wearing body; and a controller connected to each of the display, the communication module, and the FOV detection sensor. The controller determines whether the mobile information terminal is included in the user's FOV based on the status data, and performs display control with respect to the display so as to display an application screen of the mobile information terminal on the display when determining that the mobile information terminal is not included in the FOV, and not to display the application screen on the display when determining that the mobile information terminal is included in the FOV.Type: ApplicationFiled: January 17, 2024Publication date: May 9, 2024Inventors: Mitsunobu WATANABE, Yasunobu HASHIMOTO, Osamu KAWAMAE, Nobuo MASUOKA, Kazuhiko YOSHIZAWA, Hiroshi SHIMIZU
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Patent number: 11938731Abstract: A substrate, a diaphragm, and a piezoelectric actuator are laminated in this order in a first direction, the diaphragm includes a first layer containing silicon as a constituent element, a second layer disposed between the first layer and the piezoelectric actuator, and containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element, and a third layer disposed between the second layer and the piezoelectric actuator and containing zirconium as a constituent element, and a fourth layer containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element is provided on the third layer on a piezoelectric actuator side.Type: GrantFiled: March 28, 2022Date of Patent: March 26, 2024Assignee: Seiko Epson CorporationInventors: Harunobu Koike, Masao Nakayama, Toshihiro Shimizu, Yasushi Yamazaki, Osamu Tonomura, Tatsuo Sawasaki, Chihiro Nishi
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Patent number: 11936226Abstract: A battery control device for controlling a battery includes an acquisition unit configured to acquire a state of the battery, and an estimation unit configured to estimate a full charge capacity of the battery by selecting, based on the state acquired by the acquisition unit, a first estimation method for estimating the full charge capacity of the battery based on an accumulated current value obtained by accumulating a charging current of the battery obtained by performing a charging process and a second estimation method for estimating the full charge capacity of the battery based on aging deterioration data showing a deterioration state of the battery with aging.Type: GrantFiled: October 16, 2020Date of Patent: March 19, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Osamu Shimizu
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Patent number: 11921293Abstract: A head-mounted display comprises: a wearing body; a display; a communication module configured to perform communication connection with a mobile information terminal; a field of view (FOV) sensor configured to output status data used for determining whether the mobile information terminal is included in a user's FOV through the wearing body; and a controller connected to each of the display, the communication module, and the FOV detection sensor. The controller determines whether the mobile information terminal is included in the user's FOV based on the status data, and performs display control with respect to the display so as to display an application screen of the mobile information terminal on the display when determining that the mobile information terminal is not included in the FOV, and not to display the application screen on the display when determining that the mobile information terminal is included in the FOV.Type: GrantFiled: December 22, 2022Date of Patent: March 5, 2024Assignee: MAXELL, LTD.Inventors: Mitsunobu Watanabe, Yasunobu Hashimoto, Osamu Kawamae, Nobuo Masuoka, Kazuhiko Yoshizawa, Hiroshi Shimizu
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Publication number: 20230352865Abstract: According to an embodiment, a high-speed transmission device includes a substrate, a control device on the substrate, a first connector, a second connector; and a cable assembly between the first connector and the second connector. The first connector is disposed at a position near the control device on the substrate and electrically connected to the control device via the substrate. The second connector is disposed at a position away from the control device on the substrate and equipped with an apparatus for transmitting / receiving a signal to and from the control device. The cable assembly includes a cable row, a paddle card substrate and a first conductive resin cover. Cables each transmitting a differential signal are arranged side by side in the cable row. The cables each comprise an internal conductor and an external conductor.Type: ApplicationFiled: February 16, 2023Publication date: November 2, 2023Inventors: Toshiyasu ITO, Osamu SHIMIZU, Yoshihide KUROKI, Keita NOZAWA, Masashi TANAKA, Hiroaki KURIBAYASHI
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Publication number: 20230352864Abstract: According to an embodiment, a high-speed transmission device includes a substrate, a control device on the substrate, a first connector, a second connector; and a cable assembly between the first connector and the second connector. The first connector is disposed at a position near the control device on the substrate and electrically connected to the control device via the substrate. The second connector is disposed at a position away from the control device on the substrate and equipped with an apparatus for transmitting / receiving a signal to and from the control device. The cable assembly includes a cable row, a paddle card substrate and a first conductive resin cover. Cables each transmitting a differential signal are arranged side by side in the cable row. The cables each comprise an internal conductor and an external conductor.Type: ApplicationFiled: April 27, 2023Publication date: November 2, 2023Inventors: Toshiyasu ITO, Osamu SHIMIZU
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Publication number: 20230331102Abstract: A power reception apparatus is installable in a vehicle and configured to receive electric power from a power transmission coil embedded in the ground. The power reception apparatus includes: a relay coil that is arranged on a tired wheel, which includes a tire and a wheel, and includes a first coil and a second coil; a power reception coil; and a power reception circuit. The first coil and the second coil are connected with each other by an electrical conductor. The first coil is arranged inside the tire. The second coil is located so that a distance from a central axis of the tired wheel to the second coil is shorter than a distance from the central axis to the first coil. The power reception coil is located so that when the first coil faces the power transmission coil, the power reception coil faces the second coil.Type: ApplicationFiled: June 26, 2023Publication date: October 19, 2023Applicants: DENSO CORPORATION, THE UNIVERSITY OF TOKYO, BRIDGESTONE CORPORATIONInventors: Hayato SUMIYA, Shimpei TAKITA, Kazuhiro UDA, Eisuke TAKAHASHI, Nobuhisa YAMAGUCHI, Hiroshi FUJIMOTO, Osamu SHIMIZU, Yasumichi WAKAO, Isao KUWAYAMA
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Patent number: 11721984Abstract: A battery monitoring system includes a battery pack for a vehicle and a battery monitoring device that monitors a state of a battery cell included in the battery pack. The battery pack includes an acquisition unit configured to acquire battery information of the battery cell, a first storage unit configured to store the acquired battery information, and a first communication unit configured to transmit the battery information stored in the first storage unit to the battery monitoring device. The battery monitoring device includes a second communication unit configured to receive the battery information transmitted from the first communication unit, a second storage unit configured to store the received battery information, and a third storage unit configured to store initial battery information indicating a battery state at the time of manufacture of the battery pack.Type: GrantFiled: November 15, 2021Date of Patent: August 8, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Osamu Shimizu, Takaya Koshii
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Publication number: 20230090157Abstract: A wireless power reception system 1 includes: a power reception device 5 including a power reception coil 51 that receives power supplied wirelessly from a power transmission coil 41 of a power transmission device 4 installed in a road surface, at least a portion of the power reception coil 51 being housed in a wheel 3 of a moving body 2; and an onboard device 6 which is installed in the moving body 2 and which is electrically connected to the power reception device 5, wherein the power reception device 5 can transmit received power to the onboard device 6, and the power reception coil 51 has a convex shape pointing downward in a side view as seen from an axial direction of the wheel 3.Type: ApplicationFiled: September 10, 2020Publication date: March 23, 2023Applicants: THE UNIVERSITY OF TOKYO, BRIDGESTONE CORPORATION, NSK Ltd.Inventors: Hiroshi FUJIMOTO, Osamu SHIMIZU, Keizo AKUTAGAWA, Yasumichi WAKAO, Isao KUWAYAMA, Daisuke GUNJI
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Publication number: 20230086747Abstract: A wireless power reception system 1 includes: a power reception device 5 including a power reception coil 51 that receives power supplied wirelessly from a power transmission coil 41 of a power transmission device 4 installed in a road surface, at least a portion of the power reception coil 51 being housed in a wheel 3 of a moving body 2; and an onboard device 6 which is installed in the moving body 2 and which is electrically connected to the power reception device 5, wherein the power reception device 5 can transmit received power to the onboard device 6, and the power reception coil 51 includes a stacked plurality of spiral coil layers 52a and 52b.Type: ApplicationFiled: September 10, 2020Publication date: March 23, 2023Applicants: THE UNIVERSITY OF TOKYO, BRIDGESTONE CORPORATION, NSK Ltd.Inventors: Hiroshi FUJIMOTO, Osamu SHIMIZU, Keizo AKUTAGAWA, Yasumichi WAKAO, Isao KUWAYAMA, Daisuke GUNJI
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Publication number: 20230088378Abstract: A wireless power transfer system 1 includes a power transmission device 2 and a power reception device 3. The power transmission device 2 is a power transmission device 2 installed in a road 4, is provided with a power transmission coil 21 that transmits power wirelessly, and is configured such that when installed in the road 4, the normal line of a coil plane of the power transmission coil 21 is inclined with respect to the normal line of the road surface of the road 4 in a lateral cross section of the road 4. The power reception device 3 is provided with a power reception coil 31 that receives power wirelessly, and at least a portion of the power reception coil 31 is housed in the wheel 6 of the moving body 5.Type: ApplicationFiled: September 10, 2020Publication date: March 23, 2023Applicants: THE UNIVERSITY OF TOKYO, BRIDGESTONE CORPORATION, NSK Ltd.Inventors: Hiroshi FUJIMOTO, Osamu SHIMIZU, Keizo AKUTAGAWA, Yasumichi WAKAO, Isao KUWAYAMA, Daisuke GUNJI
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Publication number: 20220416580Abstract: A wireless power reception system 1 includes: a power reception device 5 including a power reception coil 51 that receives power supplied wirelessly from a power transmission coil 41 of a power transmission device 4 installed in a road surface, at least a portion of the power reception coil 51 being housed in a wheel 3 of a moving body 2; and a driving device 61 which is installed in the wheel 3 and which drives the wheel 3 with power received by the power reception device 5, wherein the power reception device 5 is provided with a converter 56a and an inverter 56b, at least a portion of the converter 56a and at least a portion of the inverter 56b are housed in the wheel 3, the converter 56a is positioned vertically above the power reception coil 51, and the inverter 56b is positioned vertically above the converter 56a.Type: ApplicationFiled: September 10, 2020Publication date: December 29, 2022Applicants: THE UNIVERSITY OF TOKYO, BRIDGESTONE CORPORATION, NSK Ltd.Inventors: Hiroshi FUJIMOTO, Osamu SHIMIZU, Keizo AKUTAGAWA, Yasumichi WAKAO, Isao KUWAYAMA, Daisuke GUNJI
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Publication number: 20220266702Abstract: A wireless power receiving system includes: a power receiving device having a power receiving coil configured to receive electric power supplied wirelessly from a power transmission coil of a power transmission device installed on a road surface, at least part of the power receiving coil being contained in a vehicle wheel; and in-vehicle devices installed in a mobile object, the in-vehicle devices being energizably connected to the power receiving device. The power receiving device transmits the received electric power to the in-vehicle devices.Type: ApplicationFiled: July 22, 2020Publication date: August 25, 2022Applicants: THE UNIVERSITY OF TOKYO, BRIDGESTONE CORPORATION, NSK Ltd.Inventors: Hiroshi FUJIMOTO, Takehiro IMURA, Osamu SHIMIZU, Katsuhiro HATA, Keizo AKUTAGAWA, Yasumichi WAKAO, Isao KUWAYAMA, Daisuke GUNJI
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Publication number: 20220200297Abstract: A battery monitoring system includes a battery pack for a vehicle and a battery monitoring device that monitors a state of a battery cell included in the battery pack. The battery pack includes an acquisition unit configured to acquire battery information of the battery cell, a first storage unit configured to store the acquired battery information, and a first communication unit configured to transmit the battery information stored in the first storage unit to the battery monitoring device. The battery monitoring device includes a second communication unit configured to receive the battery information transmitted from the first communication unit, a second storage unit configured to store the received battery information, and a third storage unit configured to store initial battery information indicating a battery state at the time of manufacture of the battery pack.Type: ApplicationFiled: November 15, 2021Publication date: June 23, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Osamu SHIMIZU, Takaya KOSHII
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Publication number: 20220149666Abstract: A dynamic wireless power transfer system includes a power transmission coil, a power transmission circuit, a power reception coil, a power reception circuit, and a relay circuit. The power transmission coil is provided in a road. The power transmission circuit supplies electric power to the power transmission coil. The power reception coil is provided in a vehicle. The power reception circuit is connected to the power reception coil. The relay circuit transfers electric power between the power transmission coil and the power reception coil in a contactless manner.Type: ApplicationFiled: January 26, 2022Publication date: May 12, 2022Applicants: DENSO CORPORATION, The University of TokyoInventors: Hayato SUMIYA, Eisuke TAKAHASHI, Nobuhisa YAMAGUCHI, Masaya TAKAHASHI, Hiroshi FUJIMOTO, Osamu SHIMIZU
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Publication number: 20210242699Abstract: A battery control device for controlling a battery includes an acquisition unit configured to acquire a state of the battery, and an estimation unit configured to estimate a full charge capacity of the battery by selecting, based on the state acquired by the acquisition unit, a first estimation method for estimating the full charge capacity of the battery based on an accumulated current value obtained by accumulating a charging current of the battery obtained by performing a charging process and a second estimation method for estimating the full charge capacity of the battery based on aging deterioration data showing a deterioration state of the battery with aging.Type: ApplicationFiled: October 16, 2020Publication date: August 5, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Osamu SHIMIZU
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Publication number: 20210174278Abstract: In a moving object arrangement apparatus configured to make arrangements for a moving object in response to a request for arrangements from a user terminal, a highly evaluated moving object evaluated equal to or higher than an arranged moving object arranged in response to the request for arrangements is reported to the user terminal as a candidate for an alternative moving object or the highly evaluated moving object is arranged as the alternative moving object when an arrival-not-possible signal indicating that arriving at a destination on board the arranged moving object is not possible is received. As a result, it is possible to restrain a user from feeling unpleasant when the user gets on the alternative moving object.Type: ApplicationFiled: August 21, 2020Publication date: June 10, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Osamu SHIMIZU
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Patent number: 10967455Abstract: A vehicular differential device includes a differential case, a ring gear, and a welded portion positioned on an abutting surface where the differential case and the ring gear are in contact with each other. The welded portion is configured to join the differential case and the ring gear for integral rotation of the differential case and the ring gear around a rotation axis of the vehicular differential device. The welded portion includes a plurality of welding surfaces positioned at predetermined intervals along a circumferential direction around the rotation axis.Type: GrantFiled: September 24, 2018Date of Patent: April 6, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Osamu Shimizu, Nobuharu Imai, Yuji Suzuki
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Patent number: 10527153Abstract: A vehicle differential device includes: a differential casing having a pair of axle supporting holes; a pinion gear; a pair of side gears; and a pair of washers each interposed between a contact surface of the differential casing and a back surface of each side gear. The differential casing defines first lubrication grooves provided in an inner circumferential surface of each axle supporting hole, and second lubrication grooves and third lubrication grooves provided in the contact surface. Each second lubrication groove communicates at its end with the corresponding first lubrication groove, and communicates at another end with a space. Each third lubrication groove communicates at its end with the corresponding first lubrication groove, and is closed at another end, without the third lubrication groove being in communication with the space.Type: GrantFiled: June 4, 2018Date of Patent: January 7, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kengo Okumoto, Osamu Shimizu, Takahide Kobayashi
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Patent number: 10346855Abstract: An information processing apparatus includes an electric power related information obtaining unit mounted on or connected to equipment and configured to obtain electric power related information with regard to the equipment and a communication unit configured to transmit the electric power related information obtained by the electric power related information obtaining unit to a rebate processing apparatus connected via a network. A rebate processing apparatus includes a communication unit configured to receive electric power related information transmitted from an information processing apparatus mounted on or connected to equipment via the network, a rebate reference calculation unit configured to calculate a rebate reference functioning as a reference for a rebate processing on the basis of the electric power related information, and a rebate processing unit configured to perform a predetermined rebate processing on the basis of the rebate reference.Type: GrantFiled: June 29, 2012Date of Patent: July 9, 2019Assignee: Sony CorporationInventors: Kohtaro Sabe, Takashi Iwama, Hiroshi Kamitani, Osamu Shimizu, Masashi Takiguchi