Patents by Inventor Kentaro Tani
Kentaro Tani 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: 20240142852Abstract: A waveguide device includes: a photonic crystal layer having holes periodically formed in an electro-optical crystal substrate; a line-defect optical waveguide formed in the photonic crystal layer; a first electrode arranged above the electro-optical crystal substrate, the first electrode being transparent to light; and a second electrode arranged below the electro-optical crystal substrate. Each of an optical scanning device and an optical modulation device includes the above-mentioned waveguide device.Type: ApplicationFiled: January 12, 2024Publication date: May 2, 2024Inventors: Kentaro TANI, Jungo KONDO, Keiichiro ASAI, Shuhei HIGASHIHARA, Naoki FUJITA
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Publication number: 20240125986Abstract: A member for terahertz equipment includes: a substrate main body having a first principal surface and a second principal surface; and a reflection suppressing portion provided on at least one of the first principal surface or the second principal surface of the substrate main body. The reflection suppressing portion includes a plurality of protrusions which are arranged in a grating shape, and each have a tapered portion in a vertical cross section.Type: ApplicationFiled: December 12, 2023Publication date: April 18, 2024Inventors: Kentaro TANI, Jungo KONDO, Masahiko NAMERIKAWA, Yoshio KIKUCHI
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Publication number: 20230411818Abstract: The waveguide element includes: a dielectric portion having holes periodically formed in a substrate made of a ceramics material; a low-dielectric constant portion having a dielectric constant smaller than a dielectric constant of the dielectric portion; and a support substrate arranged below the dielectric portion, the support substrate being configured to support the dielectric portion. The waveguide element is configured to guide an electromagnetic wave having a frequency of 30 GHz or more and 20 THz or less, and a frequency range of the electromagnetic wave in which an absolute value of a propagation loss becomes 1 dB/cm or less is 50 GHz or more.Type: ApplicationFiled: September 6, 2023Publication date: December 21, 2023Applicant: NGK INSULATORS, LTD.Inventors: Jungo KONDO, Kentaro TANI, Keiichiro ASAI, Naotake OKADA
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Publication number: 20230314899Abstract: There is provided an optical scanning element, which has a large scan angle, is quickly responsive, and can be downsized. An optical scanning element according to an embodiment of the present invention includes: a first light-deflecting unit for emitting light to a first area; and a second light-deflecting unit for emitting the light that has been emitted to the first area to a second area wider than the first area. The first light-deflecting unit is configured to be changed in refractive index by a change in applied voltage, and to adjust the first area through the change in refractive index, and the second light-deflecting unit is configured to adjust the second area through diffraction.Type: ApplicationFiled: June 8, 2023Publication date: October 5, 2023Applicant: NGK INSULATORS, LTD.Inventors: Kentaro TANI, Jungo KONDO
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Publication number: 20230112992Abstract: Provided is a photonic crystal element, which shows small delay of an electric signal, shows a small propagation loss, and has uniform characteristics over its entirety. The photonic crystal element includes a two-dimensional photonic crystal slab having holes periodically formed in a substrate made of a ceramics material, the photonic crystal element being configured to guide an electromagnetic wave having a frequency of 30 GHz or more and 20 THz or less.Type: ApplicationFiled: December 7, 2022Publication date: April 13, 2023Applicant: NGK Insulators, Ltd.Inventors: Jungo KONDO, Makoto IWAI, Keiichiro ASAI, Tomoyoshi TAI, Kentaro TANI
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Publication number: 20230103702Abstract: Provided is an optical scanning element, which has a large scan angle, is quickly responsive, and can be downsized. The optical scanning element includes: a photonic crystal layer having holes periodically formed in an electro-optical crystal substrate; a line-defect optical waveguide formed in the photonic crystal layer; a diffraction grating arranged in at least one portion selected from an upper portion, a left side surface portion, and a right side surface portion of the optical waveguide; and electrodes arranged on a left side and a right side of the optical waveguide. The optical scanning element is configured so that an emission angle of light emitted from an upper surface of the optical waveguide is changed.Type: ApplicationFiled: November 30, 2022Publication date: April 6, 2023Applicant: NGK Insulators, Ltd.Inventors: Jungo KONDO, Kentaro TANI, Keiichiro ASAI, Tomoyoshi TAI
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Publication number: 20230089480Abstract: An onboard ECU communicatively connected to an onboard apparatus installed in a vehicle and a vehicle control apparatus that executes processing relating to driving an onboard apparatus includes a control unit that executes processing relating to control of the onboard apparatus, wherein the control unit acquires an input signal relating to control of the onboard apparatus, derives a count value on the basis of changes in the acquired input signal, outputs a first signal for transitioning the vehicle control apparatus to an activated state in a case where the derived count value reaches a first threshold, and outputs a second signal for requesting the onboard apparatus to be driven in a case where the derived count value reaches a second threshold; and the second threshold is a value greater than the first threshold.Type: ApplicationFiled: February 4, 2021Publication date: March 23, 2023Inventor: Kentaro TANI
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Publication number: 20220144164Abstract: It is made easy for a user to distinguish a vehicle that the user is to board from other vehicles. A notification control apparatus includes a notification drive unit, a communication unit, and a function control unit. The notification drive unit causes a notification unit provided in the vehicle and configured to perform vehicle-side notification that is recognizable from the outside to perform the vehicle-side notification using a first operation pattern. The communication unit transmits a second operation pattern that is associated with the first operation pattern and is provided as a predetermined operation pattern, to a mobile terminal that has a notification function of performing terminal-side notification that uses the predetermined operation pattern. The function control unit controls a function of the communication unit a function of the notification drive unit.Type: ApplicationFiled: February 19, 2020Publication date: May 12, 2022Inventor: Kentaro Tani
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Patent number: 11148558Abstract: With an illuminance adjusting apparatus, if automatic driving of a vehicle is being performed, a control unit determines whether or not an estimated time that it is estimated to take until the automatic driving ends is less than or equal to a reference time. If it is determined by the control unit that the estimated time is less than or equal to the reference time, a drive unit reduces illuminance of an interior light for illuminating an interior of the vehicle.Type: GrantFiled: November 29, 2018Date of Patent: October 19, 2021Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventor: Kentaro Tani
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Publication number: 20200398747Abstract: With an illuminance adjusting apparatus, if automatic driving of a vehicle is being performed, a control unit determines whether or not an estimated time that it is estimated to take until the automatic driving ends is less than or equal to a reference time. If it is determined by the control unit that the estimated time is less than or equal to the reference time, a drive unit reduces illuminance of an interior light for illuminating an interior of the vehicle.Type: ApplicationFiled: November 29, 2018Publication date: December 24, 2020Inventor: Kentaro Tani
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Publication number: 20200070718Abstract: Provided is a notification device configured to be installed in a vehicle and to issue notification of a danger of collision or contact, the notification device including a speed judgment part configured to judge whether a speed of the vehicle is less than or equal to a speed corresponding to slow driving, a danger judgment part configured to, if it is judged that the speed of the vehicle is less than or equal to the speed corresponding to slow driving, judge whether there is a danger of colliding or coming in contact with another vehicle travelling in an opposite direction thereto, and a notification part configured to, if it is judged by the danger judgment part that the danger is present, issue notification of the danger to the other vehicle by a flashing hazard light or a horn device of the vehicle.Type: ApplicationFiled: November 27, 2017Publication date: March 5, 2020Inventor: Kentaro Tani
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Patent number: 10308223Abstract: An in-vehicle device controls activation and deactivation of a monitoring device configured to monitor a suspicious person around the vehicle, and if a suspicious person is detected by the monitoring device, the in-vehicle device executes predetermined processing related to security of a user of the vehicle. The in-vehicle device includes a transmission unit configured to, if a motor of the vehicle is stopped, intermittently transmit a signal from a transmission antennas with which the vehicle is provided, a reception unit configured to receive a response signal transmitted from a portable device that has received this signal, and a controller configured to activate the monitoring device if the response signal is received.Type: GrantFiled: February 27, 2017Date of Patent: June 4, 2019Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Kentaro Tani
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Publication number: 20190039572Abstract: An in-vehicle device controls activation and deactivation of a monitoring device configured to monitor a suspicious person around the vehicle, and if a suspicious person is detected by the monitoring device, the in-vehicle device executes predetermined processing related to security of a user of the vehicle. The in-vehicle device includes a transmission unit configured to, if a motor of the vehicle is stopped, intermittently transmit a signal from a transmission antennas with which the vehicle is provided, a reception unit configured to receive a response signal transmitted from a portable device that has received this signal, and a controller configured to activate the monitoring device if the response signal is received.Type: ApplicationFiled: February 27, 2017Publication date: February 7, 2019Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LIMITED, SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Kentaro TANI
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Patent number: 10082267Abstract: A vehicle lamp includes a light source configured to draw a road surface, a projection lens configured to transmit light emitted from the light source, and a movable shade disposed in the vicinity of a rear focal point of the projection lens. The movable shade includes at least one plate-shaped shade which has a light-shielding surface along a direction orthogonal to an optical axis of the projection lens. The at least one plate-shaped shade is formed with at least one light-transmitting part having an enclosed shape.Type: GrantFiled: March 24, 2017Date of Patent: September 25, 2018Assignee: KOITO MANUFACTURING CO., LTD.Inventors: Hidetada Tanaka, Takeshi Masuda, Yuichi Shibata, Mitsuyuki Mochizuki, Tsukasa Tokida, Kentaro Tani
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Publication number: 20170276312Abstract: A vehicle lamp includes a light source configured to draw a road surface, a projection lens configured to transmit light emitted from the light source, and a movable shade disposed in the vicinity of a rear focal point of the projection lens. The movable shade includes at least one plate-shaped shade which has a light-shielding surface along a direction orthogonal to an optical axis of the projection lens. The at least one plate-shaped shade is formed with at least one light-transmitting part having an enclosed shape.Type: ApplicationFiled: March 24, 2017Publication date: September 28, 2017Applicant: KOITO MANUFACTURING CO., LTD.Inventors: Hidetada Tanaka, Takeshi Masuda, Yuichi Shibata, Mitsuyuki Mochizuki, Tsukasa Tokida, Kentaro Tani
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Publication number: 20170223985Abstract: A method of regulating livestock excreta includes providing a feed composition to a livestock animal for consumption, where the feed composition comprises rapeseed meal, and the rapeseed meal comprises 42.5 to 55% by weight of the rapeseed meal of protein, and 6% or less by weight of the rapeseed meal of crude fiber.Type: ApplicationFiled: April 27, 2017Publication date: August 10, 2017Inventors: Sanshiro SAITO, Toshiro SATO, Hisashi KATAOKA, Kentaro TANI, Masafumi TSUBOTA
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Patent number: 8866388Abstract: A vehicle lamp controller includes a lamp control unit that performs lamp control, in which light amount or light distribution of each of a plurality of lamps to be provided on a vehicle that runs on electric power from a battery, is controlled, according to a priority that is assigned to each of the plurality of lamps, wherein the priorities are determined based on degrees of necessity of the plurality of lamps in securing safety for the vehicle. The vehicle lamp controller may further include a remaining battery charge detecting device for detecting a remaining charge of a battery, and the lamp control unit may be configured to perform the lamp control according to the priorities when the remaining charge becomes lower than a predetermined threshold.Type: GrantFiled: June 27, 2012Date of Patent: October 21, 2014Assignee: Koito Manufacturing Co., Ltd.Inventors: Akitaka Kanamori, Kentaro Tani, Naoki Tatara
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Patent number: 8737443Abstract: A nitride semiconductor laser device is provided herein that is reduced in capacitance to have a better response. The nitride semiconductor laser device includes: an active layer; an upper cladding layer which is stacked above the active layer; a low dielectric constant insulating film which is stacked above the upper cladding layer; and a pad electrode which is stacked above the low dielectric constant insulating film.Type: GrantFiled: September 28, 2012Date of Patent: May 27, 2014Assignee: Sharp Kabushiki KaishaInventors: Kentaro Tani, Yoshihiko Tani, Toshiyuki Kawakami
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Patent number: 8487535Abstract: An automotive headlamp apparatus comprises: a lamp unit configured to be capable of forming an additional light distribution pattern that includes an upper area above the cut-off line of a light distribution pattern for low beam and that is divided into a plurality of individual patterns; and a controller configured to control formation of each of the individual patterns in accordance with presence of a forward vehicle. The controller reduces the illuminance of an individual pattern overlapping an area where a forward vehicle is present and increases the illuminance of at least one of other individual patterns.Type: GrantFiled: July 14, 2010Date of Patent: July 16, 2013Assignee: Koito Manufacturing Co., Ltd.Inventors: Kentaro Tani, Noriko Sato, Motohiro Komatsu, Hidetada Tanaka, Hiroyuki Ishida, Naoki Uchida, Takuya Kotajima
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Patent number: 8379682Abstract: A nitride semiconductor laser chip that operates with reduced electric power consumption and helps achieve cost reduction has: an active layer formed of a nitride semiconductor; a nitride semiconductor layer formed above the active layer; a ridge portion formed in a part of the nitride semiconductor layer; and an electrically conductive film having a light-absorbing property and formed at least in a region outside the ridge portion above the nitride semiconductor layer. The ridge portion has a ridge width of 2 ?m or more but 6 ?m or less.Type: GrantFiled: June 23, 2011Date of Patent: February 19, 2013Assignee: Sharp Kabushiki KaishaInventors: Kentaro Tani, Toshiyuki Kawakami, Yoshihiko Tani