Patents by Inventor Keiji Suzuki
Keiji Suzuki 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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Patent number: 11979594Abstract: Provided is a transmitting device including a hierarchical classification section that classifies image data of each picture constituting moving image data into a plurality of layers, an image coding section that codes the classified image data of each layer, and generates a video stream holding the coded image data of each layer, and a transmitting section that transmits a container in a prescribed format that includes the generated video stream. The image coding section performs coding so that a referenced picture belongs to a layer of referencing image data and/or a layer lower than the layer of the referencing image data.Type: GrantFiled: July 27, 2020Date of Patent: May 7, 2024Assignee: SATURN LICENSING LLCInventors: Keiji Yuzawa, Teruhiko Suzuki
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Patent number: 11898884Abstract: A stroke sensor that allows adjustment of the magnetic field distribution without changing the positions of the magnets is provided. Stroke sensor 1 has magnets 2A, 2B, and sensor 3A that detects a magnetic field that is generated by magnets 2A, 2B. Magnets 2A, 2B are movable relative to sensor 3A in first direction X. Magnet 2A has surface 5A that faces sensor 3A in second direction Z, magnet 2B has surface 5B that faces sensor 3A in second direction Z, and surface 5A and surface 5B have different polarities. A position in first direction X at which magnetic field intensity in second direction Z is zero is positioned between reference axis RA and magnet 2B. Reference axis RA is parallel to second direction Z and passes through middle point MP of minimum section S that includes magnets 2A, 2B in first direction X.Type: GrantFiled: July 28, 2022Date of Patent: February 13, 2024Assignee: TDK CorporationInventors: Takahiro Moriya, Toshihiko Oyama, Keiji Suzuki, Toshio Ishikawara
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Patent number: 11879754Abstract: A stroke sensor module is provided in which the contact area where the moving element slides on the main body is limited. A stroke sensor module has: a moving element that is moved in a first direction; a magnetic field generator that is moved in the first direction together with the moving element; a magnetic field detecting element that detects movement of the magnetic field generator; and a housing that houses a part of the moving element and the magnetic field generator. At least either the moving element or the magnetic field generator has a plurality of protrusions that are provided at different angular positions, as viewed in the first direction, and the housing has guide portions that guide the protrusions.Type: GrantFiled: February 8, 2021Date of Patent: January 23, 2024Assignee: TDK CorporationInventors: Toshio Ishikawara, Keiji Suzuki, Tatsuya Kato, Toshihiko Oyama, Takahiro Moriya
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Publication number: 20230358526Abstract: A rotation angle detection device has a magnetic field generation unit rotatably provided integrally with a rotating body that rotates about a rotation axis, a magnetic field detection unit that detects a magnetic field generated by the magnetic field generation unit, and a magnetic field transmission unit that covers a portion of the magnetic field generation unit. The magnetic field generation unit has a first surface, a second surface positioned opposite to the first surface, and a side surface connecting the outer peripheries of the first and the second surfaces. The magnetic field transmission unit includes a first magnetic field transmission unit that covers a portion of the side surface. The magnetic field generated by the magnetic field generation unit includes first and second magnetic field components. The magnetic field detection unit detects the first magnetic field component and the second magnetic field component.Type: ApplicationFiled: March 23, 2023Publication date: November 9, 2023Inventors: Keiji SUZUKI, Tatsuya KATO
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Patent number: 11698422Abstract: A magnetic sensor device for detecting linear movement of a moving body includes a magnetic field generation unit and a magnetic field detection unit, which is provided to be capable of detecting the magnetic field generated by the magnetic field generation unit. The magnetic field detection unit is provided to be relatively moveable along a first axis accompanying linear movement of the moving body. The first axis is parallel to the direction of movement of the moving body. The magnetic field generation unit includes a first magnetic field generation unit and a second magnetic field generation unit. The first magnetic field generation unit and the second magnetic field generation unit are arranged substantially parallel to the first axis. A first line segment parallel to a first magnetization direction of the first magnetic field generation unit is inclined with respect to a second axis orthogonal to the first axis.Type: GrantFiled: May 31, 2022Date of Patent: July 11, 2023Assignee: TDK CorporationInventors: Takahiro Moriya, Toshihiko Oyama, Keiji Suzuki, Toshio Ishikawara
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Publication number: 20230077951Abstract: A stroke sensor that allows adjustment of the magnetic field distribution without changing the positions of the magnets is provided. Stroke sensor 1 has magnets 2A, 2B, and sensor 3A that detects a magnetic field that is generated by magnets 2A, 2B. Magnets 2A, 2B are movable relative to sensor 3A in first direction X. Magnet 2A has surface 5A that faces sensor 3A in second direction Z, magnet 2B has surface 5B that faces sensor 3A in second direction Z, and surface 5A and surface 5B have different polarities. A position in first direction X at which magnetic field intensity in second direction Z is zero is positioned between reference axis RA and magnet 2B. Reference axis RA is parallel to second direction Z and passes through middle point MP of minimum section S that includes magnets 2A, 2B in first direction X.Type: ApplicationFiled: July 28, 2022Publication date: March 16, 2023Inventors: Takahiro MORIYA, Toshihiko OYAMA, Keiji SUZUKI, Toshio ISHIKAWARA
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Publication number: 20230026524Abstract: A magnetic sensor device for detecting linear movement of a moving body includes a magnetic field generation unit and a magnetic field detection unit, which is provided to be capable of detecting the magnetic field generated by the magnetic field generation unit. The magnetic field detection unit is provided to be relatively moveable along a first axis accompanying linear movement of the moving body. The first axis is parallel to the direction of movement of the moving body. The magnetic field generation unit includes a first magnetic field generation unit and a second magnetic field generation unit. The first magnetic field generation unit and the second magnetic field generation unit are arranged substantially parallel to the first axis. A first line segment parallel to a first magnetization direction of the first magnetic field generation unit is inclined with respect to a second axis orthogonal to the first axis.Type: ApplicationFiled: May 31, 2022Publication date: January 26, 2023Inventors: Takahiro MORIYA, Toshihiko OYAMA, Keiji SUZUKI, Toshio ISHIKAWARA
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Publication number: 20220402547Abstract: The present invention aims at providing A magnetic sensor that is less expensive and that is highly sensitive is provided. A magnetic sensor of the present invention has: a magnetic field detecting element; and a plurality of magnets that are arranged at intervals in a first direction, the magnets moving in the first direction relative to the magnetic field detecting element. The magnets have respective first faces that face the magnetic field detecting element. The magnets are magnetized in a second direction that crosses the first direction such that the first faces of an adjacent pair of the magnets have different polarities. The magnetic sensor further includes at least one soft magnetic body that is provided on the first face of at least one of the magnets.Type: ApplicationFiled: April 27, 2022Publication date: December 22, 2022Inventors: Toshio ISHIKAWARA, Toshihiko OYAMA, Takahiro MORIYA, Keiji SUZUKI
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Publication number: 20220307863Abstract: An angle detection apparatus includes a magnetic detection element, a magnetic field generator, and a first magnetic shield. The magnetic field generator is magnetized along a first direction and generates a magnetic field to be applied to the magnetic detection element. The first magnetic shield surrounds the magnetic detection element along a plane orthogonal to the first direction. The magnetic field generator and the magnetic detection element are rotatable relative to each other around a rotation axis along the first direction.Type: ApplicationFiled: January 31, 2022Publication date: September 29, 2022Applicant: TDK CORPORATIONInventors: Keiji SUZUKI, Toshio ISHIKAWARA, Takahiro MORIYA, Toshihiko OYAMA
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Patent number: 11456647Abstract: A rotating electrical machine of the present invention evaluates a relative displacement of members and improves reliability further even when two or more members operate or move. A rotating electrical machine of the present invention comprises a stator and a rotor disposed on an inner side of the stator with a predetermined gap. The stator includes vibration measuring devices, each of the vibration measuring devices placed on each of at least two members included in the stator, the members having different displacements or phases with each other. The rotating electrical machine includes a device that acquires a relative displacement of one of the members included in the stator by evaluating a difference between displacements or phases measured by the vibration measuring devices and that evaluates a lifetime of the one of the members included in the stator based on the relative displacement.Type: GrantFiled: October 25, 2018Date of Patent: September 27, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yuichi Sekine, Keiji Suzuki, Keisuke Kumano, Tamami Kurihara, Yuichi Takahashi
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Patent number: 11365708Abstract: A fuel supply device, which is mounted on a fuel tank, includes a lid member that covers an opening of the fuel tank, arm members mounted on the lid member, and a component mounted on the lid member via the arm members. The arm members and the component have an engaging structure which engages each other by elastic deformation of the arm members. The arm members are made of a resin material having a higher elastic modulus than the resin material forming the lid member.Type: GrantFiled: March 9, 2021Date of Patent: June 21, 2022Assignee: DENSO CORPORATIONInventors: Toshihiko Muramatsu, Yuuji Hirata, Yuto Sato, Keiji Suzuki
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Publication number: 20210293577Abstract: A stroke sensor module is provided in which the contact area where the moving element slides on the main body is limited. A stroke sensor module has: a moving element that is moved in a first direction; a magnetic field generator that is moved in the first direction together with the moving element; a magnetic field detecting element that detects movement of the magnetic field generator; and a housing that houses a part of the moving element and the magnetic field generator. At least either the moving element or the magnetic field generator has a plurality of protrusions that are provided at different angular positions, as viewed in the first direction, and the housing has guide portions that guide the protrusions.Type: ApplicationFiled: February 8, 2021Publication date: September 23, 2021Inventors: Toshio ISHIKAWARA, Keiji SUZUKI, Tatsuya KATO, Toshihiko OYAMA, Takahiro MORIYA
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Publication number: 20210190021Abstract: A fuel supply device, which is mounted on a fuel tank, includes a lid member that covers an opening of the fuel tank, arm members mounted on the lid member, and a component mounted on the lid member via the arm members. The arm members and the component have an engaging structure which engages each other by elastic deformation of the arm members. The arm members are made of a resin material having a higher elastic modulus than the resin material forming the lid member.Type: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Inventors: Toshihiko MURAMATSU, Yuuji HIRATA, Yuto SATO, Keiji SUZUKI
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Patent number: 10910923Abstract: The present invention provides a rotating electric machine and a method of detecting electric discharge (a defect detection method for a rotating electric machine), which are able to early detect vibration sparking between a stator winding and a stator core. A rotating electric machine of the present invention comprises a cylindrical stator including a stator core and a stator winding, a rotor disposed inside the stator, at least one key bar disposed on an outer periphery of the stator core and extended in an axial direction of the stator, and at least one current detector disposed on the key bar and configured to measure a current flowing in the key bar.Type: GrantFiled: February 9, 2017Date of Patent: February 2, 2021Assignee: Mitsubishi Power, Ltd.Inventors: Hajime Adachi, Keiji Suzuki, Shigeki Tounosu
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Publication number: 20200011410Abstract: An oil supply device that includes a first pump configured to discharge oil by being driven by power transferred along the power transfer path; a second pump configured to discharge the oil by being driven by a power source independent of the power transfer path; a first supply oil passage through which the oil discharged from the first pump is supplied to the transmission; and a second supply oil passage through which the oil discharged from the second pump is supplied to the friction engagement device.Type: ApplicationFiled: March 30, 2018Publication date: January 9, 2020Applicant: AISIN AW CO., LTD.Inventors: Tetsuya SHIMIZU, Toru SUGIYAMA, Keiji Suzuki, Yuya ISHIHARA, Masaya IWATA, Shinya ICHIKAWA
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Publication number: 20190131853Abstract: A rotating electrical machine of the present invention evaluates a relative displacement of members and improves reliability further even when two or more members operate or move. A rotating electrical machine of the present invention comprises a stator and a rotor disposed on an inner side of the stator with a predetermined gap. The stator includes vibration measuring devices, each of the vibration measuring devices placed on each of at least two members included in the stator, the members having different displacements or phases with each other. The rotating electrical machine includes a device that acquires a relative displacement of one of the members included in the stator by evaluating a difference between displacements or phases measured by the vibration measuring devices and that evaluates a lifetime of the one of the members included in the stator based on the relative displacement.Type: ApplicationFiled: October 25, 2018Publication date: May 2, 2019Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Yuichi SEKINE, Keiji SUZUKI, Keisuke KUMANO, Tamami KURIHARA, Yuichi TAKAHASHI
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Patent number: 10011169Abstract: A casing includes a container in which a float valve is disposed. When the float valve is closed, the casing keeps the float valve in a closed state for a relatively long period of time. A sub-float valve is provided below the container in the casing, and is closed by floating on fuel at the time of a turn of a vehicle or an automatic stop of first refueling. When the first refueling is completed, air in the sub-float valve is discharged, and the sub-float valve loses its floating function.Type: GrantFiled: October 19, 2015Date of Patent: July 3, 2018Assignee: KYOSAN DENKI CO., LTD.Inventor: Keiji Suzuki
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Publication number: 20170250592Abstract: The present invention provides a rotating electric machine and a method of detecting electric discharge (a defect detection method for a rotating electric machine), which are able to early detect vibration sparking between a stator winding and a stator core. A rotating electric machine of the present invention comprises a cylindrical stator including a stator core and a stator winding, a rotor disposed inside the stator, at least one key bar disposed on an outer periphery of the stator core and extended in an axial direction of the stator, and at least one current detector disposed on the key bar and configured to measure a current flowing in the key bar.Type: ApplicationFiled: February 9, 2017Publication date: August 31, 2017Inventors: Hajime ADACHI, Keiji SUZUKI, Shigeki TOUNOSU
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Publication number: 20170122777Abstract: A magnetic position detection device that can detect position even if there is only one object magnet. A magnetic position detection device includes a bias magnet, a magnetic detection element, an object magnet, and a mobile object. Opposite poles of the bias magnet and of the object magnet face each other. The magnetic detection element is disposed between pole surfaces of the bias magnet and of the object magnet. The magnetic detection element is fixed to the bias magnet and has a fixed positional relationship to the bias magnet. The orientation of the magnetic field at the magnetic detection element changes in accordance with the position of the object magnet. The magnetic detection element detects the orientation of the magnetic field applied to the magnetic detection element.Type: ApplicationFiled: January 28, 2015Publication date: May 4, 2017Inventors: Hiroyuki Hirano, Seiji Fukuoka, Keiji Suzuki, Takahiro Moriya, Kaoru Narita
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Patent number: D891715Type: GrantFiled: November 2, 2017Date of Patent: July 28, 2020Assignee: Sharp Kabushiki KaishaInventor: Keiji Suzuki