Patents by Inventor Takahiro Sumi
Takahiro Sumi 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: 20240119783Abstract: A pattern variably displaying device includes: sphere reels, in which patterns are described on a surface of a sphere; a sphere driving device, driving each of the sphere reels; and a reel control part, controlling the sphere driving device.Type: ApplicationFiled: September 5, 2023Publication date: April 11, 2024Applicant: OMRON CorporationInventors: Takahiro ONO, Masaaki Sumi, Takuya Kudo, Takehiro Agata, Tatsuya Adachi, Shun Kato
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Publication number: 20240119808Abstract: A presentation device is provided in a gaming machine. The presentation device includes: a small roulette wheel, a medium roulette wheel, and a large roulette wheel, having different diameters and rotatably held on the same rotation center line; a motor, rotating each roulette wheel; a communication part, transmitting and receiving a control signal to and from the gaming machine; and a control part, controlling the motor based on the control signal from the gaming machine.Type: ApplicationFiled: September 5, 2023Publication date: April 11, 2024Applicant: OMRON CorporationInventors: Masaaki SUMI, Eiji YASUDA, Takahiro ONO, Takuya KUDO, Takehiro AGATA
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Publication number: 20230277038Abstract: A distal end cover includes a cover body having a cylindrical shape. The cover body includes first and second body portions, a first opening formed in the first body portion and the second body portion, a second opening that can receive a distal end portion of an insertion portion of an endoscope and is formed on a side opposite to the first body portion with respect to the second body portion, a finger hook portion forming a portion of the first opening, a first thin wall portion forming a portion of the first opening, and a second thin wall portion. When a load is applied to the finger hook portion to expand the first opening, a force in a tensile direction is applied to the first thin wall portion, and a force in a shearing direction is applied to the second thin wall portion.Type: ApplicationFiled: March 4, 2022Publication date: September 7, 2023Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventors: Takahiro SUMI, Fumitoshi HAYAKAWA
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Publication number: 20230110011Abstract: A stage apparatus for holding a substrate, including a substrate holding unit including a holding surface that holds the substrate, a driving mechanism configured to transfer the substrate to the holding surface, and a control unit configured to decide, based on warpage information concerning warpage of the substrate measured while the substrate is supported by a supporting surface smaller than the holding surface, a driving profile of the substrate by the driving mechanism in a height direction of the substrate such that the substrate is transferred to the holding surface while the warping of the substrate is corrected.Type: ApplicationFiled: September 15, 2022Publication date: April 13, 2023Inventors: Takahiro Sumi, Shigeo Koya
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Patent number: 11350523Abstract: A ceramic wiring board that includes a ceramic insulator and a via-conductor. The ceramic insulator includes a crystalline constituent and an amorphous constituent. The via-conductor includes a metal and an oxide. The crystalline constituent and the oxide include at least one metal element in common. A tubular region having a thickness of 5 ?m adjoins and surrounds the via-conductor and has a higher concentration of the metal element than the ceramic insulator.Type: GrantFiled: January 19, 2017Date of Patent: May 31, 2022Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Takahiro Sumi, Takahiro Oka, Yoshitake Yamagami
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Patent number: 10714932Abstract: An ESD protection device includes an insulating substrate, first and second discharge electrodes in contact with the insulating substrate, the first and second discharge electrodes separated from each other and opposing each other, first and second outer electrodes on an outside surface of the insulating substrate, the first outer electrode being electrically connected to the first discharge electrode and the second outer electrode being electrically connected to the second discharge electrode, and a discharge auxiliary electrode spanning the first discharge electrode and the second discharge electrode in a region where the discharge electrodes oppose each other. The discharge auxiliary electrode includes semiconductor particles and metal particles. An average particle diameter of the metal particles is about 0.3 ?m to about 1.5 ?m.Type: GrantFiled: December 12, 2016Date of Patent: July 14, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Takahiro Sumi, Jun Adachi, Takayuki Tsukizawa, Katsumi Yasunaka, Sumiyo Nakamura, Mayu Suzuki
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Patent number: 10680415Abstract: An ESD protection device includes first and second discharge electrodes and a discharge auxiliary electrode that is electrically connected to the first and second discharge electrodes. The first and second discharge electrodes are located on or in an insulating substrate to at least partially face each other. The discharge auxiliary electrode includes first metal particles, second metal particles, and a binding agent. The first metal particles have a core-shell structure including a core section mainly including a first metal and a shell section which mainly includes an oxide of a second metal and which includes at least one portion with a cavity. The second metal particles have a core-shell structure including a core section mainly including the first metal and a shell section which mainly includes the oxide of the second metal and which has no cavity.Type: GrantFiled: August 6, 2018Date of Patent: June 9, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiromitsu Hongo, Takahiro Sumi, Takeshi Miki, Jun Adachi, Takayuki Tsukizawa, Takashi Noma
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Patent number: 10403584Abstract: An ESD protection device includes an insulating ceramic body including a cavity, first and second discharge electrodes disposed so as to partially face each other with the cavity interposed therebetween, and a supporting electrode disposed so as to be at least partially exposed to the cavity and to be electrically connected to the first and second discharge electrodes. A void isolated from the cavity is provided in at least a portion of a boundary region between at least one of the first and second discharge electrodes, the supporting electrode, and the insulating ceramic body.Type: GrantFiled: December 5, 2017Date of Patent: September 3, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Jun Adachi, Takeshi Miki, Takahiro Sumi
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Patent number: 10292264Abstract: Provided are an insulating ceramic paste, a ceramic electronic component, and a method for producing the ceramic electronic component that allow prevention of solder shorts between narrow-pitch terminal electrodes and suppression of generation of cracks in an insulator covering a portion of terminal electrodes during a firing step. The ceramic electronic component includes a ceramic multilayer substrate, terminal electrodes formed on a surface of the ceramic multilayer substrate, and an insulating ceramic film formed on the surface of the ceramic multilayer substrate so as to cover a portion of the terminal electrodes. An exposed surface portion (celsian-crystal-rich layer) of the insulating ceramic film has a thermal expansion coefficient that is lower than the thermal expansion coefficient of the ceramic multilayer substrate.Type: GrantFiled: April 12, 2018Date of Patent: May 14, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Sumiyo Nakamura, Takahiro Sumi, Takahiro Oka
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Patent number: 10292250Abstract: An ESD protection device includes an insulating ceramic body including a cavity portion, an auxiliary electrode including a first and second main surfaces, the auxiliary electrode being embedded in the insulating ceramic body such that a side end portion of the auxiliary electrode between the first and second main surfaces is exposed to the cavity portion, and first and second discharge electrodes embedded in the insulating ceramic body such that main surfaces of the first and second discharge electrodes face each other with the auxiliary electrode interposed therebetween, the auxiliary electrode including first and second auxiliary electrode layers, the first auxiliary electrode layer having a higher content of a conductive material than the second auxiliary electrode layer, the first auxiliary electrode layer being joined to at least one of the first and second discharge electrodes.Type: GrantFiled: December 7, 2017Date of Patent: May 14, 2019Assignee: Murata Manufacturing Co., Ltd.Inventors: Jun Adachi, Takeshi Miki, Takahiro Sumi
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Patent number: 10278272Abstract: An ESD protection device includes a ceramic element assembly including a glass component, first and second discharge electrodes on the same plane in the ceramic element assembly and opposed to each other with a gap therebetween, a discharge auxiliary electrode that connects the first discharge electrode to the second discharge electrode on the same plane, and a seal layer that is disposed between the discharge auxiliary electrode and the ceramic element assembly and that reduces or prevents a glass component in the ceramic element assembly from entering the discharge auxiliary electrode. The seal layer includes a conductive component.Type: GrantFiled: July 31, 2018Date of Patent: April 30, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Takeshi Miki, Hiromitsu Hongo, Takahiro Sumi
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Patent number: 10249549Abstract: A ceramic circuit board that includes a ceramic insulator layer, grounding pattern conductors, connection lands disposed on a first surface of the ceramic circuit board, and grounding electrodes disposed on a second surface of the ceramic circuit board and connected to the grounding pattern conductors. Each of the grounding pattern conductors contains a metal and an oxide and includes a pattern main portion disposed inside the ceramic circuit board and an extended portion in which a first end thereof is connected to the pattern main portion and a second end thereof is exposed at a side surface of the ceramic circuit board. The metal content of the extended portion is lower than the metal content of the pattern main portion.Type: GrantFiled: July 20, 2016Date of Patent: April 2, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Hiromitsu Hongo, Takahiro Sumi, Masaaki Hanao, Kazuo Kishida
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Patent number: 10193332Abstract: There is provided an ESD protection device that can have an advantageously low discharge inception voltage. An ESD protection device having a substrate, first and second discharge electrodes provided somewhere on the substrate with their respective distal ends facing each other with a gap therebetween, and a high-dielectric-constant layer having a relative dielectric constant higher than that of the substrate.Type: GrantFiled: November 3, 2015Date of Patent: January 29, 2019Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Jun Adachi, Katsumi Yasunaka, Takahiro Sumi
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Publication number: 20180351330Abstract: An ESD protection device includes first and second discharge electrodes and a discharge auxiliary electrode that is electrically connected to the first and second discharge electrodes. The first and second discharge electrodes are located on or in an insulating substrate to at least partially face each other. The discharge auxiliary electrode includes first metal particles, second metal particles, and a binding agent. The first metal particles have a core-shell structure including a core section mainly including a first metal and a shell section which mainly includes an oxide of a second metal and which includes at least one portion with a cavity. The second metal particles have a core-shell structure including a core section mainly including the first metal and a shell section which mainly includes the oxide of the second metal and which has no cavity.Type: ApplicationFiled: August 6, 2018Publication date: December 6, 2018Inventors: Hiromitsu HONGO, Takahiro SUMI, Takeshi MIKI, Jun ADACHI, Takayuki TSUKIZAWA, Takashi NOMA
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Publication number: 20180338372Abstract: An ESD protection device includes a ceramic element assembly including a glass component, first and second discharge electrodes on the same plane in the ceramic element assembly and opposed to each other with a gap therebetween, a discharge auxiliary electrode that connects the first discharge electrode to the second discharge electrode on the same plane, and a seal layer that is disposed between the discharge auxiliary electrode and the ceramic element assembly and that reduces or prevents a glass component in the ceramic element assembly from entering the discharge auxiliary electrode. The seal layer includes a conductive component.Type: ApplicationFiled: July 31, 2018Publication date: November 22, 2018Inventors: Takeshi MIKI, Hiromitsu HONGO, Takahiro SUMI
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Publication number: 20180302982Abstract: Provided are an insulating ceramic paste, a ceramic electronic component, and a method for producing the ceramic electronic component that allow prevention of solder shorts between narrow-pitch terminal electrodes and suppression of generation of cracks in an insulator covering a portion of terminal electrodes during a firing step. The ceramic electronic component includes a ceramic multilayer substrate, terminal electrodes formed on a surface of the ceramic multilayer substrate, and an insulating ceramic film formed on the surface of the ceramic multilayer substrate so as to cover a portion of the terminal electrodes. An exposed surface portion (celsian-crystal-rich layer) of the insulating ceramic film has a thermal expansion coefficient that is lower than the thermal expansion coefficient of the ceramic multilayer substrate.Type: ApplicationFiled: April 12, 2018Publication date: October 18, 2018Inventors: Sumiyo Nakamura, Takahiro Sumi, Takahiro Oka
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Patent number: 9974168Abstract: Provided are an insulating ceramic paste, a ceramic electronic component, and a method for producing the ceramic electronic component that allow prevention of solder shorts between narrow-pitch terminal electrodes and suppression of generation of cracks in an insulator covering a portion of terminal electrodes during a firing step. The ceramic electronic component includes a ceramic multilayer substrate, terminal electrodes formed on a surface of the ceramic multilayer substrate, and an insulating ceramic film formed on the surface of the ceramic multilayer substrate so as to cover a portion of the terminal electrodes. An exposed surface portion (celsian-crystal-rich layer) of the insulating ceramic film has a thermal expansion coefficient that is lower than the thermal expansion coefficient of the ceramic multilayer substrate.Type: GrantFiled: September 22, 2015Date of Patent: May 15, 2018Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Sumiyo Nakamura, Takahiro Sumi, Takahiro Oka
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Publication number: 20180096957Abstract: An ESD protection device includes an insulating ceramic body including a cavity, first and second discharge electrodes disposed so as to partially face each other with the cavity interposed therebetween, and a supporting electrode disposed so as to be at least partially exposed to the cavity and to be electrically connected to the first and second discharge electrodes. A void isolated from the cavity is provided in at least a portion of a boundary region between at least one of the first and second discharge electrodes, the supporting electrode, and the insulating ceramic body.Type: ApplicationFiled: December 5, 2017Publication date: April 5, 2018Inventors: Jun Adachi, Takeshi Miki, Takahiro Sumi
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Publication number: 20180098410Abstract: An ESD protection device includes an insulating ceramic body including a cavity portion, an auxiliary electrode including a first and second main surfaces, the auxiliary electrode being embedded in the insulating ceramic body such that a side end portion of the auxiliary electrode between the first and second main surfaces is exposed to the cavity portion, and first and second discharge electrodes embedded in the insulating ceramic body such that main surfaces of the first and second discharge electrodes face each other with the auxiliary electrode interposed therebetween, the auxiliary electrode including first and second auxiliary electrode layers, the first auxiliary electrode layer having a higher content of a conductive material than the second auxiliary electrode layer, the first auxiliary electrode layer being joined to at least one of the first and second discharge electrodes.Type: ApplicationFiled: December 7, 2017Publication date: April 5, 2018Applicant: Murata Manufacturing Co., Ltd.Inventors: Jun ADACHI, Takeshi MIKI, Takahiro SUMI
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Patent number: 9698109Abstract: An ESD protection device 1 has a ceramic insulating material 10, first and second discharge electrodes 21 and 22, and a discharge-assisting section 51. The first and second discharge electrodes 21 and 22 are disposed somewhere of the ceramic insulating material 10. The discharge-assisting section 51 is located between the distal end portion of the first discharge electrode 21 and the distal end portion of the second discharge electrode 22. The discharge-assisting section 51 is an electrode configured to reduce the discharge starting voltage between the first discharge electrode 21 and the second discharge electrode 22. The discharge-assisting section 51 is made from a sintered body containing conductive particles and at least one of semiconductor particles and insulating particles. The first and second discharge electrodes contain at least one of the semiconductor material constituting the semiconductor particles and the insulating material constituting the insulating particles.Type: GrantFiled: February 6, 2015Date of Patent: July 4, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Takayuki Tsukizawa, Jun Adachi, Takayuki Imada, Takahiro Sumi