Patents by Inventor Yasuhiko YAGIHASHI
Yasuhiko YAGIHASHI 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: 20240025535Abstract: To provide a flying object including a lift generating member deployment device that makes it easier than before to automatically avoid collision with an obstacle. A flying object 30 includes an obstacle detecting unit 5, a control unit 6, a battery 7, a storage unit 8 that stores information transmitted from the control unit 6, a transmitting/receiving unit 9 that receives an operation signal from a controller 40 and transmits information regarding the flying object 30 to the controller 40, and others. The obstacle detecting unit 5 is to detect the altitude of the flying object 30 and outputs an altitude detection signal, which represents the detected altitude information, to the control unit 6.Type: ApplicationFiled: October 3, 2023Publication date: January 25, 2024Inventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Akihiro TAMASHIRO
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Patent number: 11731769Abstract: Provided are an ejection device with reduced weight without reducing an ejection speed of an ejected object and a flying object including the ejection device. An ejection device 100 includes a piston member 10, a cylinder 14 which accommodates the piston member 10 and is provided with a hole portion 13 for allowing the piston member 10 to project outward during operation, a push-up member 15 pushed up in one direction by the piston member 10, an ejected object 16 pushed up while being supported by the push-up member 15, and a gas generator 17 which moves the piston member 10 in the cylinder 14, and in the ejection device 100, the push-up member 15 has a support portion 20 disposed on a distal end side of the piston member 10 with a tip of the piston member 10 in a moving direction of the piston member 10 set as a reference.Type: GrantFiled: June 25, 2019Date of Patent: August 22, 2023Inventors: Yasuhiko Yagihashi, Shoichi Ashida, Maiko Fukumoto, Takahiro Ooi, Hideki Otsubo, Hiroshi Nakamura, Akihiro Tamashiro
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Publication number: 20230116259Abstract: There are provided a safety apparatus and an aerial vehicle including the safety apparatus, in which a lid and an opening end of a container are fixed before operation more firmly than a conventional art to be less susceptible to an external environment. A safety apparatus includes a piston member 10, a cylinder 14 that accommodates the piston member 10 and is provided with a bore 13 through which the piston member 10 protrudes to the outside during operation, a push-up member 15 that is pushed up in one direction by the piston member 10, an ejected object 16 that is pushed up while being supported by the push-up member 15, and a gas generator 17 that moves the piston member 10 in the cylinder 14. A bottomed cylindrical portion 19 of the push-up member 15 has a hole 53, the hole 53 has a substantially identical shape to a shape of one end of a rod 12, and the one end of the rod 12 is fitted to the hole 53. The bottomed cylindrical portion 19 and the rod 12 are fastened and fixed by a bolt member 15.Type: ApplicationFiled: February 22, 2021Publication date: April 13, 2023Inventors: Yasuhiko YAGIHASHI, Hideki OTSUBO
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Publication number: 20230116018Abstract: There is provided a safety apparatus including a push-up member in which an ejected object is hardly displaced even during transportation, and an aerial vehicle including the safety apparatus. A safety apparatus 100 includes a cylinder 14 that accommodates a piston member 10 and is provided with a bore 13 through which the piston member 10 protrudes to the outside (upward in FIG. 1) during operation, a push-up member 15 that is pushed up in one direction by the piston member 10, an ejected object 16 that is pushed up while being supported by the push-up member 15, a gas generator 17 as a power source that moves the piston member 10 in the cylinder 14, a container 18 that has a bottomed cylindrical shape and accommodates the piston member 10, the cylinder 14, the push-up member 15, the ejected object 16, and the gas generator 17, and a lid 21 that closes an opening end of the container 18.Type: ApplicationFiled: March 2, 2021Publication date: April 13, 2023Inventors: Dairi KUBO, Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Hideki OTSUBO
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Publication number: 20230093952Abstract: An aerial vehicle safety apparatus includes a safety mechanism, a drive mechanism, an ejection mechanism, and a control mechanism. The safety mechanism is used for securing safety of at least one of an aerial vehicle and an object outside the aerial vehicle. The drive mechanism includes at least one drive unit serving as a drive source of the safety mechanism. The ejection mechanism ejects the drive mechanism together with the safety mechanism. The control mechanism controls operations of the drive mechanism for the drive mechanism to drive the safety mechanism after the ejection mechanism starts ejection of the safety mechanism.Type: ApplicationFiled: November 15, 2022Publication date: March 30, 2023Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Yasuhiko YAGIHASHI, Hiroshi NAKAMURA, Koichi SASAMOTO, Dairi KUBO, Takahiro OOI
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Publication number: 20230099036Abstract: There are provided a safety apparatus and an aerial vehicle including the safety apparatus, in which a lid and an opening end of a container are fixed before operation more firmly than a conventional art to be less susceptible to an external environment. A safety apparatus includes a piston member, a cylinder that accommodates the piston member and is provided with a bore through which the piston member protrudes to the outside during operation, a push-up member that is pushed up in one direction by the piston member, an ejected object 16 that is pushed up while being supported by the push-up member, a gas generator that moves the piston member in the cylinder, and a lid 21 including a projection 21a. The projection 21a includes a second through hole 21c, and an engagement mechanism is configured when a pin member 22 is inserted into the second through hole 21c and a first through hole 18a provided in a container 18 to engage an opening end of the container 18 and the projection 21a.Type: ApplicationFiled: February 22, 2021Publication date: March 30, 2023Inventors: Hideki OTSUBO, Yasuhiko YAGIHASHI, Takuto YOSHIOKA, Dairi KUBO
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Patent number: 11591110Abstract: An aerial vehicle safety apparatus includes an expandable object and an ejection apparatus. The ejection apparatus includes a container that accommodates the expandable object and has an opening provided on one end side, a moving member provided in the container, the moving member including an emission base carrying the expandable object on a side of the opening, the moving member being movable along an inner wall of the container, and a driver that ejects the expandable object by moving the moving member toward the opening. A space located opposite to the opening when viewed from the emission base and surrounded by the container and the moving member communicates with a space located outside the space through a communication portion.Type: GrantFiled: June 19, 2018Date of Patent: February 28, 2023Assignee: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Hiroshi Nakamura, Yasuhiko Yagihashi, Koichi Sasamoto, Takahiro Ooi
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Publication number: 20230012473Abstract: Provided is an airbag device for a flying object sufficiently having a performance of protecting a battery. An airbag device 1 is an airbag device for a flying object including an upper cover member 19 and a lower cover member 20 as a housing, and a battery 24 provided inside the housing and includes an expandable member 2 which is provided inside the housing of the flying object 10 and is expandable inside the housing, a gas generator 3 which is connected to the expandable member 2 and receives a predetermined amount of current to make gas flow into the expandable member 2, and a current supply section which supplies current to the gas generator 3 according to collision of the flying object 10.Type: ApplicationFiled: August 9, 2022Publication date: January 19, 2023Inventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Kouichi SASAMOTO
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Patent number: 11530046Abstract: An aerial vehicle safety apparatus includes a safety mechanism, a drive mechanism, an ejection mechanism, and a control mechanism. The safety mechanism is used for securing safety of at least one of an aerial vehicle and an object outside the aerial vehicle. The drive mechanism includes at least one drive unit serving as a drive source of the safety mechanism. The ejection mechanism ejects the drive mechanism together with the safety mechanism. The control mechanism controls operations of the drive mechanism for the drive mechanism to drive the safety mechanism after the ejection mechanism starts ejection of the safety mechanism.Type: GrantFiled: June 19, 2018Date of Patent: December 20, 2022Assignee: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Yasuhiko Yagihashi, Hiroshi Nakamura, Koichi Sasamoto, Dairi Kubo, Takahiro Ooi
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Patent number: 11286051Abstract: An aerial vehicle safety apparatus includes an expandable object, an ejection apparatus, a bag-shaped member, and a gas generator. The expandable object is wound or folded in a non-expanded state and generates at least any of lift and buoyancy in an expanded state. The ejection apparatus is coupled to the expandable object by a coupling member and ejects the non-expanded expandable object into air. The bag-shaped member is provided in the expandable object and wound or folded together with or separately from the non-expanded expandable object, and expands the non-expanded expandable object by at least partially being inflated like a tube. The gas generator is provided in the expandable object and inflates the bag-shaped member by causing gas generated at the time of activation to flow into the bag-shaped member.Type: GrantFiled: June 19, 2018Date of Patent: March 29, 2022Assignee: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Yasuhiko Yagihashi, Hiroshi Nakamura, Koichi Sasamoto, Dairi Kubo, Takahiro Ooi
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Publication number: 20210387718Abstract: To provide a flying object including a lift generating member deployment device that makes it easier than before to automatically avoid collision with an obstacle. A flying object 30 includes an obstacle detecting unit 5, a control unit 6, a battery 7, a storage unit 8 that stores information transmitted from the control unit 6, a transmitting/receiving unit 9 that receives an operation signal from a controller 40 and transmits information regarding the flying object 30 to the controller 40, and others. The obstacle detecting unit 5 is to detect the altitude of the flying object 30 and outputs an altitude detection signal, which represents the detected altitude information, to the control unit 6.Type: ApplicationFiled: August 22, 2020Publication date: December 16, 2021Inventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Akihiro TAMASHIRO
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Publication number: 20210371114Abstract: [Summary] [Problem] Provided are a flying object operating device, a malfunction preventing method for a flying object operating device, a flying object thrust generating device, a parachute or paraglider deploying device, and an airbag device, each capable of improving reliability in terms of safety. [Solution] A flying object igniter includes an ignition unit 11, an ignition abnormality detection unit 21 which detects an operating state of the ignition unit 11, a flight state detection unit 22 which detects a flight state of a flying object, an energizing circuit 25 which has an energizing circuit switch 25a for operating the ignition unit 11, and a calculation unit 23 which compares a detection result obtained by the ignition abnormality detection unit 21 and a detection result obtained by the flight state detection unit 22 with respective thresholds set beforehand, and turns on the energizing circuit switch 25a in accordance with the comparison result.Type: ApplicationFiled: March 19, 2019Publication date: December 2, 2021Inventors: Yasuhiko YAGIHASHI, Hiroshi NAKAMURA, Koichi SASAMOTO
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Patent number: 11130585Abstract: An aerial vehicle includes an airframe, a canopy capable of adjusting a speed of falling during falling, a brake cord having one end connected to the canopy, a wind-up apparatus provided in the airframe and being capable of winding up the other end of the brake cord, a sensor unit that detects a distance to an external object, and a controller that controls an operation of the wind-up apparatus based on a result of detection by the sensor unit. The wind-up apparatus includes a gas generator as a drive source. The controller has the wind-up apparatus operate to wind up the other end of the brake cord by activating the gas generator when the distance detected by the sensor unit is equal to or smaller than a prescribed value.Type: GrantFiled: June 19, 2018Date of Patent: September 28, 2021Assignee: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Hiroshi Nakamura, Yasuhiko Yagihashi, Koichi Sasamoto
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Publication number: 20210206497Abstract: Provided are an ejection device with reduced weight without reducing an ejection speed of an ejected object and a flying object including the ejection device. An ejection device 100 includes a piston member 10, a cylinder 14 which accommodates the piston member 10 and is provided with a hole portion 13 for allowing the piston member 10 to project outward during operation, a push-up member 15 pushed up in one direction by the piston member 10, an ejected object 16 pushed up while being supported by the push-up member 15, and a gas generator 17 which moves the piston member 10 in the cylinder 14, and in the ejection device 100, the push-up member 15 has a support portion 20 disposed on a distal end side of the piston member 10 with a tip of the piston member 10 in a moving direction of the piston member 10 set as a reference.Type: ApplicationFiled: June 25, 2019Publication date: July 8, 2021Inventors: Yasuhiko YAGIHASHI, Shoichi ASHIDA, Maiko FUKUMOTO, Takahiro OOI, Hideki OTSUBO, Hiroshi NAKAMURA, Akihiro TAMASHIRO
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Publication number: 20200339278Abstract: An aerial vehicle safety apparatus includes an expandable object and an ejection apparatus. The ejection apparatus includes a container that accommodates the expandable object and has an opening provided on one end side, a moving member provided in the container, the moving member including an emission base carrying the expandable object on a side of the opening, the moving member being movable along an inner wall of the container, and a driver that ejects the expandable object by moving the moving member toward the opening. A space located opposite to the opening when viewed from the emission base and surrounded by the container and the moving member communicates with a space located outside the space through a communication portion.Type: ApplicationFiled: June 19, 2018Publication date: October 29, 2020Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Koichi SASAMOTO, Takahiro OOI
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Publication number: 20200239136Abstract: Provided is a crash detection device, a method of detecting a crash of a flying object, a parachute or paraglider deployment device, and an airbag device that can improve the reliability in terms of safety. A device detecting a crash of a flying object includes a detection part capable of detecting a flying state of the flying object, a calculation section capable of determining whether the flying state of the flying object is abnormal based on data on the flying state of the flying object acquired by the detection part, and an abnormal signal output section capable of outputting an abnormal signal to the outside when the calculation section determines that the flying state of the flying object is abnormal.Type: ApplicationFiled: October 11, 2018Publication date: July 30, 2020Inventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Koichi SASAMOTO
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Publication number: 20200216181Abstract: An aerial vehicle safety apparatus includes an expandable object, an ejection apparatus, a bag-shaped member, and a gas generator. The expandable object is wound or folded in a non-expanded state and generates at least any of lift and buoyancy in an expanded state. The ejection apparatus is coupled to the expandable object by a coupling member and ejects the non-expanded expandable object into air. The bag-shaped member is provided in the expandable object and wound or folded together with or separately from the non-expanded expandable object, and expands the non-expanded expandable object by at least partially being inflated like a tube. The gas generator is provided in the expandable object and inflates the bag-shaped member by causing gas generated at the time of activation to flow into the bag-shaped member.Type: ApplicationFiled: June 19, 2018Publication date: July 9, 2020Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Yasuhiko YAGIHASHI, Hiroshi NAKAMURA, Koichi SASAMOTO, Dairi KUBO, Takahiro OOI
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Publication number: 20200198791Abstract: An aerial vehicle includes an airframe, a canopy capable of adjusting a speed of falling during falling, a brake cord having one end connected to the canopy, a wind-up apparatus provided in the airframe and being capable of winding up the other end of the brake cord, a sensor unit that detects a distance to an external object, and a controller that controls an operation of the wind-up apparatus based on a result of detection by the sensor unit. The wind-up apparatus includes a gas generator as a drive source. The controller has the wind-up apparatus operate to wind up the other end of the brake cord by activating the gas generator when the distance detected by the sensor unit is equal to or smaller than a prescribed value.Type: ApplicationFiled: June 19, 2018Publication date: June 25, 2020Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Koichi SASAMOTO
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Publication number: 20200198790Abstract: An aerial vehicle safety apparatus includes a safety mechanism, a drive mechanism, an ejection mechanism, and a control mechanism. The safety mechanism is used for securing safety of at least one of an aerial vehicle and an object outside the aerial vehicle. The drive mechanism includes at least one drive unit serving as a drive source of the safety mechanism. The ejection mechanism ejects the drive mechanism together with the safety mechanism. The control mechanism controls operations of the drive mechanism for the drive mechanism to drive the safety mechanism after the ejection mechanism starts ejection of the safety mechanism.Type: ApplicationFiled: June 19, 2018Publication date: June 25, 2020Applicant: NIPPON KAYAKU KABUSHIKI KASHAInventors: Yasuhiko YAGIHASHI, Hiroshi NAKAMURA, Koichi SASAMOTO, Dairi KUBO, takahiro OOI
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Publication number: 20200115049Abstract: An aerial vehicle includes a lift generation member provided in an airframe in an expandable manner, a manipulation mechanism connected to the lift generation member and configured to manipulate the lift generation member, an expansion apparatus configured to expand the lift generation member, a control unit configured to control the manipulation mechanism, and a falling sensing unit configured to sense falling of the airframe. The expansion apparatus is configured to expand the lift generation member based on a falling sensing signal and the control unit is configured to start control of the manipulation mechanism based on the falling sensing signal.Type: ApplicationFiled: April 10, 2018Publication date: April 16, 2020Applicant: NIPPON KAYAKU KABUSHIKI KAISHAInventors: Hiroshi NAKAMURA, Yasuhiko YAGIHASHI, Dairi KUBO