Patents by Inventor Hideki Seki
Hideki Seki 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).
-
Publication number: 20230283113Abstract: A power receiving device includes a power receiving antenna, a rectifier circuit, and a bias circuit. The power receiving antenna is configured to receive radio waves for supplying power. The rectifier circuit includes a rectifier diode and is configured to convert radio waves received by the power receiving antenna into a DC power. The bias circuit is configured to apply a DC bias to the rectifier diode.Type: ApplicationFiled: February 22, 2023Publication date: September 7, 2023Inventors: Hideki SEKI, Shinichiro FUKI, Teppei YAMAKOSHI
-
Patent number: 11497084Abstract: A heater device includes a heat generation layer that has a heat generation portion configured to generate heat when energized, a pair of electrodes disposed on one side of the heat generation layer and being spaced from each other, a detection portion configured to generate an electric field between the pair of electrodes and detect an object around the pair of electrodes, and a controller configured to control the amount of electric power supplied to the heat generation portion based on a detection result by the detection portion.Type: GrantFiled: February 26, 2020Date of Patent: November 8, 2022Assignee: DENSO CORPORATIONInventors: Hideki Seki, Kimitake Ishikawa, Hirokazu Yamadaki, Yusuke Tanaka
-
Patent number: 11440375Abstract: A radiant heater device for generating a radiant heat, includes a substrate portion having a plate shape and made of an electrically insulating material, a surface member having a sheet shape and disposed on one surface side of the substrate portion, and a heat generation portion formed on the other surface side of the substrate portion. The surface member is formed of a fiber fabric that is provided with a space portion recessed toward the substrate portion in a thickness direction of the surface member and that restricts a heat transfer in a surface direction of the surface member by the space portion.Type: GrantFiled: April 29, 2019Date of Patent: September 13, 2022Assignee: DENSO CORPORATIONInventors: Hideki Seki, Kimitake Ishikawa, Hiroyasu Oide, Yusuke Tanaka
-
Patent number: 11440449Abstract: A seat air-conditioner includes an inlet portion, a blower, and a door device. The inlet portion is disposed inside a seat and defines a first inlet and a second inlet. The blower is disposed inside the seat. The door device is configured to be moved to open the first inlet while closing the second inlet and to close the first inlet while opening the second inlet. The first inlet is arranged such that an air drawn into the seat through a passenger supporting portion of the seat is drawn into the blower through the first inlet. The second inlet is arranged such that an air drawn into the seat through a portion of the seat other than the passenger supporting portion is more likely to be drawn into the second inlet than into the first inlet.Type: GrantFiled: May 12, 2021Date of Patent: September 13, 2022Assignee: DENSO CORPORATIONInventors: Hideki Seki, Masafumi Kawashima, Shuji Ito, Hironobu Murakami, Takahisa Fujii
-
Publication number: 20220218516Abstract: A heating and cooling stimulation device includes a stimulation supply unit configured to supply hot stimulation and cold stimulation to a subject; an estimation unit configured to estimate a fatigue level of the subject; and a control unit configured to control an operation of the stimulation supply unit so as to supply the hot stimulation and the cold stimulation alternately to the subject in accordance with the fatigue level estimated by the estimation unit. The control unit controls the operation of the stimulation supply unit such that an amount of the cold stimulation received by the subject increases as the fatigue level estimated by the estimation unit becomes higher.Type: ApplicationFiled: March 28, 2022Publication date: July 14, 2022Inventors: Takashi MATSUOKA, Takuya KATAOKA, Masaru KAKIZAKI, Taiji KAWACHI, Yuuki SHIMIZU, Hideki SEKI
-
Patent number: 11382430Abstract: A heater device for warming a user has a heater panel including a planar heating element which generates heat by energization, a first heat radiation surface formed on one surface side of the heating element, and a second heat radiation surface formed on the other surface side of the heating element. The temperature of the first heat radiation surface is higher than the temperature of the second heat radiation surface. In the heater panel, the first heat radiation surface is configured as a non-contact heater that warms the user in a non-contact manner, and the second heat radiation surface is configured as a contact heater that warms the user in a contact manner.Type: GrantFiled: July 12, 2019Date of Patent: July 12, 2022Assignee: DENSO CORPORATIONInventors: Yusuke Tanaka, Kimitake Ishikawa, Hiroyasu Oide, Hideki Seki
-
Publication number: 20220007464Abstract: A heater device for heating an user's body seated on a seat includes a heat generating portion that is arranged in a recess recessed from a surface of the seat, and generates heat by energization, a distance detection unit that detects a distance between an object around the heat generating portion and the heat generating portion, and a control unit that controls energization of the heat generating portion. A first control portion controls energization amount of the heat generating portion so that the output of the heat generating portion becomes equal to or higher than a predetermined output, when the distance is longer than an offset distance between the heat generating portion and the surface of the seat. A second control portion controls the energization amount so that the output becomes less than the predetermined output, when the distance is equal to or less than the offset distance.Type: ApplicationFiled: September 22, 2021Publication date: January 6, 2022Inventors: Yusuke TANAKA, Hideki SEKI, Kimitake ISHIKAWA
-
Publication number: 20220001720Abstract: A heater device includes a heat generating part that generates heat by energization, and a detection unit. The detection unit detects whether or not a distance between an object around the heat generating part and the heat generating part is equal to or less than a first detection distance with a first detection sensitivity, and whether or not the distance between the object around the heat generating part and the heat generating part is equal to or less than a second detection distance shorter than the first detection distance with a second detection sensitivity that is less sensitive than the first detection sensitivity.Type: ApplicationFiled: September 22, 2021Publication date: January 6, 2022Inventors: Hideki SEKI, Yusuke TANAKA, Kimitake ISHIKAWA
-
Publication number: 20210261025Abstract: A seat air-conditioner includes an inlet portion, a blower, and a door device. The inlet portion is disposed inside a seat and defines a first inlet and a second inlet. The blower is disposed inside the seat. The door device is configured to be moved to open the first inlet while closing the second inlet and to close the first inlet while opening the second inlet. The first inlet is arranged such that an air drawn into the seat through a passenger supporting portion of the seat is drawn into the blower through the first inlet. The second inlet is arranged such that an air drawn into the seat through a portion of the seat other than the passenger supporting portion is more likely to be drawn into the second inlet than into the first inlet.Type: ApplicationFiled: May 12, 2021Publication date: August 26, 2021Inventors: Hideki SEKI, Masafumi KAWASHIMA, Shuji ITO, Hironobu MURAKAMI, Takahisa FUJII
-
Patent number: 11077734Abstract: The air-conditioning control device is configured to control an air conditioner for a vehicle having a radiant heater and to output a cancel signal that allows an engine, which has been stopped in response to an idling stop control, to restart. The radiant heater is configured to generate radiant heat to heat an occupant in a compartment of the vehicle. The air conditioner is configured to heat an interior of the compartment using engine cooling water. The air-conditioning control device stops the engine in response to the idling stop control. The air-conditioning control device outputs a cancel signal allowing the engine to restart following the engine having been stopped such that an idling stop time is longer when the radiant heater is operated than when the radiant heater is not operated.Type: GrantFiled: January 12, 2017Date of Patent: August 3, 2021Assignee: DENSO CORPORATIONInventors: Kimitake Ishikawa, Hideaki Kako, Hiroyasu Oide, Hideki Seki, Yusuke Tanaka
-
Publication number: 20210140644Abstract: A heater device includes a first detection pattern that is arranged on an insulating substrate and detects a change in capacitance between a first transmitting electrode and a first receiving electrode for detecting an object, a second detection pattern that is arranged on the insulating substrate and detects the change in capacitance between a second transmitting electrode and a second receiving electrode for detecting the object, a capacitance determination unit that determines whether one of the change in capacitance between the first transmitting electrode and the first receiving electrode and the change in capacitance between the second transmitting electrode and the second receiving electrode is equal to or higher than a first threshold value and the other is lower than a second threshold value, and a disconnection determination unit that determines a disconnection in the first or the second detection pattern, when result of the capacitance determination unit is positive.Type: ApplicationFiled: January 25, 2021Publication date: May 13, 2021Inventors: Kimitake ISHIKAWA, Yusuke TANAKA, Hideki SEKI, Shuji ITO
-
Patent number: 10960732Abstract: The heater device has a sheet shaped main body having a heat generating portion heated by energization and a radiating surface for radiating radiant heat toward a heating object by using heat in the heat generating portion, a plate shaped member arranged on an opposite side with respect to the radiating surface of the main body, and an air layer forming member for forming an air layer between the main body and the plate shaped member arranged on a side opposite to the radiating surface of the main body.Type: GrantFiled: August 11, 2016Date of Patent: March 30, 2021Assignee: DENSO CORPORATIONInventors: Hideki Seki, Kimitake Ishikawa, Hiroyasu Oide, Yuusuke Tanaka
-
Patent number: 10913328Abstract: The heater device is provided with a heater main body, and radiates radiant heat from the heater main body toward an object. The heater main body includes a sheet-like heat generating layer that generates heat and radiates the radiant heat, and a sheet-like heat insulating layer that is disposed on the side opposite to the object of the heat generating layer. The heat insulating layer has a sheet-like first layer having voids and a sheet-like second layer having voids arranged side by side in a thickness direction of the heat insulating layer with respect to the first layer. A porosity of the second layer is higher than that of the first layer.Type: GrantFiled: November 23, 2016Date of Patent: February 9, 2021Assignee: DENSO CORPORATIONInventors: Yusuke Tanaka, Kimitake Ishikawa, Hiroyasu Oide, Hideki Seki
-
Publication number: 20200406712Abstract: A heater apparatus includes a heat generating unit, an outer surface, a temperature sensor and a detection unit. A first control portion of an electronic control unit controls temperature of the heat generating unit in such a way that it stops or reduces electric power supply to the heat generating unit, when it determines that an object has been brought into contact with a first region of the outer surface. A second control portion of the electronic control unit controls the temperature of the heat generating unit depending on a detected temperature of the temperature sensor. A third control portion of the electronic control unit controls the temperature of the heat generating unit in such a way that it stops or reduces the electric power supply to the heat generating unit, when it determines that the object has been brought into contact with a second region of the outer surface.Type: ApplicationFiled: September 9, 2020Publication date: December 31, 2020Inventors: Yusuke TANAKA, Kimitake ISHIKAWA, Hideki SEKI, Hirokazu YAMADAKI, Tatsushi DOMON
-
Publication number: 20200236740Abstract: A heater device includes a planar heat generating portion configured to generate heat when being energized, a detection circuit having a plurality of planar electrodes disposed on one surface side of the heat generating portion, and a controller configured to control an amount of energization to the heat generating portion based on a detection result of the detection circuit. The heat generating portion and the plurality of electrodes are disposed in parallel with each other. The heater device is configured to have a heat generating region in which the heat generating portion is present and a non-heat generating region in which the heat generating portion is not present when the plurality of electrodes and the heat generating portion are projected in a direction perpendicular to the plurality of electrodes and the heat generating portion. Furthermore, the plurality of electrodes include a heat-diffusion promoting portion provided to be included at least in the non-heat generating region.Type: ApplicationFiled: April 7, 2020Publication date: July 23, 2020Inventors: Yusuke TANAKA, Kimitake ISHIKAWA, Hideki SEKI, Hirokazu YAMADAKI, Tatsushi DOMON
-
Patent number: 10717343Abstract: A heater device has a heater body and a heater case. The heater body has a heat generating part generating heat and radiates the heat supplied from the heat generating part. The heater case is attached to an interior member provided in an interior and houses the heater body, such that an interior-side surface of the heater body is located on a back side of the interior member. The heater case is provided with a ventilation passage through which a space outside the heater case located on the back side of the interior member communicates with the interior-side surface of the heater body.Type: GrantFiled: July 27, 2015Date of Patent: July 21, 2020Assignee: DENSO CORPORATIONInventors: Hideki Seki, Kimitake Ishikawa, Yasuhiro Sagou, Toshinori Ochiai
-
Patent number: 10717342Abstract: A heating apparatus has a heater body and a heater case. The heater body has a heat generator and emits heat supplied from the heat generator. The heat generator generates the heat when being energized. The heater case houses the heater body and is arranged on a side of an air-bag device for a vehicle adjacent to a vehicle compartment. The heater case is attached to an interior member located in the vehicle compartment or is a part of the interior member. The heater case has an expansion permissive portion that permits the air-bag device to expand into the vehicle compartment. The heat generator includes a portion located at a position corresponding to the expansion permissive portion. The heater body has a low strength portion that has a low strength as compared to the portion of the heat generator and that is located outside the expansion permissive portion.Type: GrantFiled: February 2, 2016Date of Patent: July 21, 2020Assignee: DENSO CORPORATIONInventors: Yasuhiro Sagou, Kimitake Ishikawa, Hiroyasu Oide, Hideki Seki, Hideaki Kako
-
Publication number: 20200196392Abstract: A heater device includes a heat generation layer that has a heat generation portion configured to generate heat when energized, a pair of electrodes disposed on one side of the heat generation layer and being spaced from each other, a detection portion configured to generate an electric field between the pair of electrodes and detect an object around the pair of electrodes, and a controller configured to control the amount of electric power supplied to the heat generation portion based on a detection result by the detection portion.Type: ApplicationFiled: February 26, 2020Publication date: June 18, 2020Inventors: Hideki SEKI, Kimitake ISHIKAWA, Hirokazu YAMADAKI, Yusuke TANAKA
-
Patent number: 10661634Abstract: A heater device includes: a distance specifying portion that specifies a distance between a sensing subject, i.e., an occupant and a heater main body as a sensed distance; and a moving mechanism that moves the heater main body. The heater device further includes a heater position control portion that controls the moving mechanism such that the distance between the sensing subject, i.e., the occupant and the heater main body is adjusted to a target distance based on the sensed distance, which is specified by the distance specifying portion.Type: GrantFiled: March 17, 2016Date of Patent: May 26, 2020Assignee: DENSO CORPORATIONInventors: Hiroyasu Oide, Hideaki Kako, Kimitake Ishikawa, Hideki Seki
-
Patent number: 10613605Abstract: A server device has an AC power supply unit configured to convert an AC voltage received from an AC power supply to a DC voltage, and a DC power supply input part configured to receive supply of a DC voltage outputted by an AC power supply unit of an external power supply device. The server device runs at a DC voltage supplied by at least one of the AC power supply unit and the DC power supply input part.Type: GrantFiled: March 15, 2017Date of Patent: April 7, 2020Assignee: NEC CorporationInventor: Hideki Seki