Patents by Inventor Keisuke Ikushima
Keisuke Ikushima 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: 20240047768Abstract: A control method of vehicle power source includes: acquiring a predetermined power amount measured by a power amount measurement unit of the vehicle; monitoring a decrease in battery remaining power amount based on the predetermined power amount in response to turning off of a main switch of the vehicle; calculating a standby period based on a decreasing tendency of the battery remaining power amount; continuing a power supply state from a power source unit of the vehicle to a wireless communication unit of the vehicle in response to turning off of the main switch; and terminating the power supply state in response to elapse of the standby period.Type: ApplicationFiled: October 12, 2023Publication date: February 8, 2024Inventors: Toshiro ISHIHARA, Keisuke IKUSHIMA
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Publication number: 20240038003Abstract: An in-vehicle device having a function of detecting an anomaly in an in-vehicle system and an interface device having an LED for notifying an occupant of a vehicle of an anomaly state are connected via a communication path for transmitting an alternating current signal. The cathode of the LED is connected to the vehicle body ground, and the anode is connected to the communication line of the communication path via the inductor. When the in-vehicle device detects an anomaly in the in-vehicle system, the in-vehicle device notifies the occupant of the vehicle of the anomaly by applying a direct current drive signal to the communication line to drive the LED.Type: ApplicationFiled: October 9, 2023Publication date: February 1, 2024Inventors: Toshiro ISHIHARA, Keisuke IKUSHIMA
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Publication number: 20240031905Abstract: A technique for data communication between an in-vehicle device and an information processor outside a vehicle includes detecting that the vehicle is be parked, determining whether the data communication using short-range communication is available at a parked point, receiving a communication stat request for start of the data communication from the in-vehicle device or the information processor, stopping a short-range communication unit based on detection of the vehicle being parked, and restarting the short-range communication unit based on receiving the communication start request in a state where the vehicle is parked and the data communication using short-range communication is available.Type: ApplicationFiled: October 2, 2023Publication date: January 25, 2024Inventor: Keisuke IKUSHIMA
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Publication number: 20240022992Abstract: Each of a first communication device and a second communication device is capable of performing vehicle-to-vehicle communication and cellular communication. The first communication device issues a proxy request to the second communication device for communication with an application server. When the second communication device receives proxy communication, the second communication device acquires an unused port number from the first communication device, notifies a relay server of the port number as the number of the port for proxy communication, and then performs the proxy communication.Type: ApplicationFiled: September 26, 2023Publication date: January 18, 2024Inventors: Masayuki HOSHINO, Keisuke IKUSHIMA
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Publication number: 20230401123Abstract: By a vehicle device for a vehicle, a server, or a communication management method, a log of an exchange is centrally managed, and a failure is detected in a communication establishment process, and a log estimated to be related to the failure is output when the monitoring unit has detected the failure.Type: ApplicationFiled: August 29, 2023Publication date: December 14, 2023Inventor: Keisuke IKUSHIMA
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Publication number: 20230319530Abstract: By a communication control method or a communication device for controlling a vehicle exterior communication performed between an in-vehicle electronic control unit and an outside of a vehicle, connection information necessary for the vehicle exterior communication between the in-vehicle electronic control unit and a specific connection destination is prepared, and the in-vehicle electronic control unit is permitted to perform the vehicle exterior communication limited to the specific connection destination using the connection information.Type: ApplicationFiled: June 5, 2023Publication date: October 5, 2023Inventor: Keisuke IKUSHIMA
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Publication number: 20230300213Abstract: By an information transmission method or a communication device, push information is received from a transmission source positioned in the outside, electronic control unit information related to the in-vehicle electronic control unit to be a notification destination of the push information is grasped, and notification of the push information according to the grasped electronic control unit information is performed. By the information transmission method, a wireless communication device is specified, and the push information is transmitted to the wireless communication device.Type: ApplicationFiled: May 30, 2023Publication date: September 21, 2023Inventor: Keisuke IKUSHIMA
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Publication number: 20230300226Abstract: A communication control device: transmits, from an application to a wireless communication device used in a vehicle, a start request of data communication between the application and an external device; acquire a communication condition related to the data communication between the application and the external device from the application; determines whether the data communication satisfying the communication condition is possible; sets a communication path from the application to the external device and sets a source port number to the request source when the data communication is determined to be possible; notifies the application of path information including the source port number; and performs the data communication between the application and the external device using the source port number.Type: ApplicationFiled: May 30, 2023Publication date: September 21, 2023Inventors: Masayuki HOSHINO, Keisuke IKUSHIMA
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Patent number: 10466070Abstract: A disconnection detector includes: a plurality of energizing circuits that supply a constant current from a direct current power supply to a plurality of loads through resistor elements, respectively, the resistor elements each having a predetermined resistance value; a plurality of voltage detectors that are respectively arranged at the plurality of energizing circuits, and that are respectively configured to detect a voltage of a corresponding one of the resistor elements at a load side; and a control circuit that determines, for each of the plurality of energizing circuits, a disconnected state of an energizing path to a corresponding one of the plurality of loads, based on voltages respectively detected by the plurality of voltage detectors.Type: GrantFiled: August 22, 2016Date of Patent: November 5, 2019Assignee: DENSO CORPORATIONInventors: Keisuke Ikushima, Toshiro Ishihara
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Publication number: 20180180447Abstract: A disconnection detector includes: a plurality of energizing circuits that supply a constant current from a direct current power supply to a plurality of loads through resistor elements, respectively, the resistor elements each having a predetermined resistance value; a plurality of voltage detectors that are respectively arranged at the plurality of energizing circuits, and that are respectively configured to detect a voltage of a corresponding one of the resistor elements at a load side; and a control circuit that determines, for each of the plurality of energizing circuits, a disconnected state of an energizing path to a corresponding one of the plurality of loads, based on voltages respectively detected by the plurality of voltage detectors.Type: ApplicationFiled: August 22, 2016Publication date: June 28, 2018Inventors: Keisuke IKUSHIMA, Toshiro ISHIHARA
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Patent number: 9877811Abstract: Provided is a method for producing a temporary prosthesis that can be easily performed at a dental clinic and that at the same time enables fabrication of a temporary prosthesis that is less susceptible to wear and damage. The present invention is achieved by fabricating an occlusal surface with a dental composite resin that has higher strength compared to a conventional room temperature polymerization resin. The method includes fabricating a prosthesis model, using an impression material to take an impression of a prepared tooth model having the prosthesis model mounted thereon, applying a layer of dental composite resin material to a portion that is to become a crown within the impression that has been removed from the prepared tooth model and polymerizing the composite resin material, putting a powder-liquid mixture of a powder-liquid type room temperature polymerization resin into the impression, refitting the prepared tooth model to the impression, and curing the room temperature polymerization resin.Type: GrantFiled: September 11, 2013Date of Patent: January 30, 2018Assignee: GC CorporationInventor: Keisuke Ikushima
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Publication number: 20150245889Abstract: Provided is a method for producing a temporary prosthesis that can be easily performed at a dental clinic and that at the same time enables fabrication of a temporary prosthesis that is less susceptible to wear and damage. The present invention is achieved by fabricating an occlusal surface with a dental composite resin that has higher strength compared to a conventional room temperature polymerization resin. The method includes fabricating a prosthesis model, using an impression material to take an impression of a prepared tooth model having the prosthesis model mounted thereon, applying a layer of dental composite resin material to a portion that is to become a crown within the impression that has been removed from the prepared tooth model and polymerizing the composite resin material, putting a powder-liquid mixture of a powder-liquid type room temperature polymerization resin into the impression, refitting the prepared tooth model to the impression, and curing the room temperature polymerization resin.Type: ApplicationFiled: September 11, 2013Publication date: September 3, 2015Inventor: Keisuke Ikushima
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Patent number: 7494539Abstract: To make a color tone similar to that of dentin of a tooth at a low cost without discoloration when baking, a dental ceramics material is produced by: mixing a pink coloring agent and a yellow coloring agent with zirconium oxide containing a stabilizer while having a mixing ratio of 0.001 to 5 wt. % respectively; and baking it, where the pink coloring agent is obtained by dissolving manganese oxide in aluminum oxide as a solid solution, the yellow coloring agent is obtained by dissolving vanadium oxide in zirconium oxide as a solid solution, the zirconium oxide contains 0.1 to 30 wt. % aluminum oxide if necessary, the stabilizer is one or more kinds selected from a group including yttrium oxide, magnesium oxide, calcium oxide, and cerium oxide, and the content thereof is preferably 3 to 7 wt. %.Type: GrantFiled: January 29, 2007Date of Patent: February 24, 2009Assignee: GC CorporationInventors: Keisuke Ikushima, Shuji Aoyagi
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Patent number: 7326055Abstract: The invention relates to a method for bleaching teeth in which a solution of a nitrogen-doped titanium oxide powder is contacted on a surface of the teeth and the surface of the teeth is irradiated to bleach the surface of the teeth-by activating a photocatalytic reaction.Type: GrantFiled: May 17, 2006Date of Patent: February 5, 2008Assignee: GC CorporationInventors: Shin Yamaguchi, Toshihiro Sekiguchi, Keisuke Ikushima, Shoji Akahane, Koyu Aoki, Takeshi Morikawa, Takeshi Ohwaki, Yasunori Taga
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Publication number: 20070182042Abstract: To make a color tone similar to that of dentin of a tooth at a low cost without discoloration when baking, a dental ceramics material is produced by: mixing a pink coloring agent and a yellow coloring agent with zirconium oxide containing a stabilizer while having a mixing ratio of 0.001 to 5 wt. % respectively; and baking it, where the pink coloring agent is obtained by dissolving manganese oxide in aluminum oxide as a solid solution, the yellow coloring agent is obtained by dissolving vanadium oxide in zirconium oxide as a solid solution, the zirconium oxide contains 0.1 to 30 wt. % aluminum oxide if necessary, the stabilizer is one or more kinds selected from a group including yttrium oxide, magnesium oxide, calcium oxide, and cerium oxide, and the content thereof is preferably 3 to 7 wt. %.Type: ApplicationFiled: January 29, 2007Publication date: August 9, 2007Applicant: GC CorporationInventors: Keisuke IKUSHIMA, Shuji Aoyagi
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Patent number: 7250155Abstract: To eliminate a defect in conventional dental bleaching agent, that light for activating titanium oxide hardly reaches down to the titanium oxide at the teeth surface to be bleached, a dental bleaching agent set consists of two components of which the first component is attached to teeth surface and irradiation of light is followed after the second component is contacted on the teeth surface, the first component consisting of an organic solvent, containing at least one of a titanium oxide, a nitrogen doped titanium oxide, and a titanium oxinitride having photocatalytic activities, and preferably one or more of a metal oxide, a metal salt, and a metal powder, a thickener and water, the second component consisting of a compound that produces hydrogen peroxide in water, a thickener and a carrier.Type: GrantFiled: March 4, 2004Date of Patent: July 31, 2007Assignees: GC Corporation, Kaisha Toyota Chuo KenkyushoInventors: Shin Yamaguchi, Toshihiro Sekiguchi, Keisuke Ikushima, Shoji Akahane, Koyu Aoki, Takeshi Morikawa, Takeshi Ohwaki, Yasunori Taga
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Publication number: 20070003494Abstract: For the purpose to preserve hydrogen peroxide stably for a long period of time, have excellent adhesion with keeping viscosity at about same level as that of the conventional material, give few damages to a tooth by pH, and have high efficiency of bleaching to tooth, a pasty dental bleaching material comprises 10-50 wt. % powdery hydrogen peroxide polyvinyl pyrrolidone complex blended in a liquid component, or comprises pasty first and second components, 10-50 wt. % powdery hydrogen peroxide polyvinyl pyrrolidone complex being blended in a liquid component in the first component and 0.01-10 wt. % catalyst for activating hydrogen peroxide and 1-70 wt. % thickener being blended in a liquid component in the second component.Type: ApplicationFiled: June 12, 2006Publication date: January 4, 2007Applicant: GC CorporationInventors: Daizaburo MORI, Shin Yamaguchi, Keisuke Ikushima
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Patent number: 7144253Abstract: A dental diamond bur having grains of diamond attached to a head of the bur body with a plated metal layer containing grains of a fluorine compound that are almost uniformly dispersed and have an average diameter smaller than that of the diamond.Type: GrantFiled: September 29, 2003Date of Patent: December 5, 2006Assignee: GC CorporationInventors: Keisuke Ikushima, Koichi Mamada
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Publication number: 20060222604Abstract: A method for bleaching teeth comprises steps of applying a solution containing nitrogen-deeped titanium oxide powder on a surface of teeth, and irradiating the applied part with light to bleach the teeth based on a photocatalytic action thus produced, and a bleaching agent for teeth suitable for carrying out the method comprises a solution containing nitrogen deeped titanium oxide powder, in which the nitrogen-deeped titanium oxide is preferably a photocatalytic substance having a Ti—O—N structure having a titanium oxide crystalline lattice containing nitrogen and exhibiting a photocatalytic action in a visible light region, the bleaching agent contains preferably 0.01 to 5% by weight of the nitrogen-deeped titanium oxide powder, the nitrogen-deeped titanium oxide powder has a specific surface area of from 10 to 500 m2/g, the solution contains water and/or an alcohol as a solvent, and the bleaching agent further contains preferably 0.Type: ApplicationFiled: May 17, 2006Publication date: October 5, 2006Applicant: GC CorporationInventors: Shin Yamaguchi, Toshihiro Sekiguchi, Keisuke Ikushima, Shoji Akahane, Koyu Aoki, Takeshi Morikawa, Takeshi Ohwaki, Yasunori Taga
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Publication number: 20050031552Abstract: To provide an urea peroxide based tooth whitening material that exerts high efficiency in bleaching teeth with less damages on teeth due to pH, is in the form of single paste, has good storage stability, and exerts high adhesiveness on a tooth surface, the tooth whitening material contains 1 to 20% by weight of magnesium sodium silicate, 10 to 25% by weight of urea peroxide, 40 to 88% by weight of a polyhydric alcohol, and 1 to 15% by weight of a thickener capable of being swelled with the polyhydric alcohol.Type: ApplicationFiled: June 16, 2004Publication date: February 10, 2005Applicant: GC CorporationInventors: Daizaburo Mori, Shin Yamaguchi, Keisuke Ikushima