Patents by Inventor YUGO ASAI
YUGO ASAI 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: 20240039503Abstract: Disclosed herein is a common mode filter that includes a winding core part and first and second wires wound in a same direction around the winding core part. The first and second wires constitute a first winding block on one endmost side in an axial direction of the winding core part, a second winding block on other endmost side in the axial direction of the winding core part, and a third winding block positioned between the first and second winding blocks. The second winding block is a winding block at an odd-numbered position counted from the first winding block. The first and second wires cross each other in an area between the first and third winding blocks and in an area between the second and third winding blocks.Type: ApplicationFiled: October 12, 2023Publication date: February 1, 2024Applicant: TDK CorporationInventors: Yugo ASAI, Tsutomu KOBAYASHI, Daisuke URABE, Hiroshi SUZUKI, Emi ITO, Toshio TOMONARI
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Patent number: 11817844Abstract: Disclosed herein is a common mode filter that includes a winding core part and first and second wires wound in a same direction around the winding core part. The first and second wires constitute a first winding block on one endmost side in an axial direction of the winding core part, a second winding block on other endmost side in the axial direction of the winding core part, and a third winding block positioned between the first and second winding blocks. The second winding block is a winding block at an odd-numbered position counted from the first winding block. The first and second wires cross each other in an area between the first and third winding blocks and in an area between the second and third winding blocks.Type: GrantFiled: December 26, 2022Date of Patent: November 14, 2023Assignee: TDK CORPORATIONInventors: Yugo Asai, Tsutomu Kobayashi, Daisuke Urabe, Hiroshi Suzuki, Emi Ito, Toshio Tomonari
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Publication number: 20230136361Abstract: Disclosed herein is a common mode filter that includes a winding core part and first and second wires wound in a same direction around the winding core part. The first and second wires constitute a first winding block on one endmost side in an axial direction of the winding core part, a second winding block on other endmost side in the axial direction of the winding core part, and a third winding block positioned between the first and second winding blocks. The second winding block is a winding block at an odd-numbered position counted from the first winding block. The first and second wires cross each other in an area between the first and third winding blocks and in an area between the second and third winding blocks.Type: ApplicationFiled: December 26, 2022Publication date: May 4, 2023Applicant: TDK CorporationInventors: Yugo ASAI, Tsutomu KOBAYASHI, Daisuke URABE, Hiroshi SUZUKI, Emi ITO, Toshio TOMONARI
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Patent number: 11605485Abstract: Disclosed herein is a common mode filter that includes: a winding core part including first and second winding areas and a third winding area positioned between the first and second winding areas; and first and second wires wound in a same direction around the winding core part. The first and second wires constitute a first winding block wound in the first winding area and a second winding block wound in the second winding area. The first and second wires cross each other in the third winding area. Each of the first and second winding blocks has first and second winding layers. The difference in a number of turns between the first winding layer and the second winding layer is larger in the first winding block than in the second winding block.Type: GrantFiled: December 30, 2018Date of Patent: March 14, 2023Assignee: TDK CORPORATIONInventors: Yugo Asai, Tsutomu Kobayashi, Daisuke Urabe, Hiroshi Suzuki, Emi Ito, Toshio Tomonari
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Patent number: 11563415Abstract: Disclosed herein is a common mode filter that includes a winding core part and first and second wires wound in a same direction around the winding core part. The first and second wires constitute a first winding block on one endmost side in an axial direction of the winding core part, a second winding block on other endmost side in the axial direction of the winding core part, and a third winding block positioned between the first and second winding blocks. The second winding block is a winding block at an odd-numbered position counted from the first winding block. The first and second wires cross each other in an area between the first and third winding blocks and in an area between the second and third winding blocks.Type: GrantFiled: December 30, 2018Date of Patent: January 24, 2023Assignee: TDK CORPORATIONInventors: Yugo Asai, Tsutomu Kobayashi, Daisuke Urabe, Hiroshi Suzuki, Emi Ito, Toshio Tomonari
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Publication number: 20220384093Abstract: Disclosed herein is a coil component that includes a drum core; a terminal fitting fixed respectively to the flange part of the drum core; and a wire wound around the winding core part of the drum core. The terminal fitting has a wire connecting part to which the wire is connected and a mounting part having springiness with respect to the drum core. The distance between the flange part and the mounting part is larger than the distance between the flange part and the wire connecting part.Type: ApplicationFiled: May 31, 2022Publication date: December 1, 2022Inventors: Hanako YOSHINO, Keigo HIGASHIDA, Daisuke URABE, Takashi ARASAWA, Yugo ASAI
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Publication number: 20210391109Abstract: Disclosed herein is a common mode filter that includes first and second wires wound in the same direction around the winding core part. The first and second wires have first to third layer winding portions, a first crossing portion positioned between the first and third layer winding portions, and a second crossing portion positioned between the second and third layer winding portions. The vertical positions of the first and second wires are reversed at least partially between the first and third layer winding portions, and the vertical positions of the first and second wires are reversed at least partially between the second and third layer winding portions.Type: ApplicationFiled: June 8, 2021Publication date: December 16, 2021Inventors: Kosuke KUNITSUKA, Keigo HIGASHIDA, Emi ITO, Daisuke URABE, Yugo ASAI
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Publication number: 20210280356Abstract: Disclosed herein is a coil component that includes: a drum-shaped core including first and second flange parts and a winding core part; first terminal electrodes provided on the first flange part; second terminal electrodes provided on the second flange part; a plurality of wires wound around the winding core part, each of the plurality of wires having a first end connected to an associated one of the first terminal electrodes, and having a second end connected to an associated one of the second terminal electrodes; and a plate-like core fixed to the first and second flange parts. Each of the first and second flange parts has a first groove formed in a surface facing the plate-like core. The plurality of wires are positioned in parallel to each other in each of the first grooves formed in the first and second flange parts.Type: ApplicationFiled: March 2, 2021Publication date: September 9, 2021Inventors: Yugo ASAI, Aoi TOKIWA, Daisuke URABE
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Publication number: 20210280358Abstract: Disclosed herein is a coil component that includes: a drum-shaped core including a first flange part, a second flange part, and a winding core part positioned between the first and second flange parts; a plurality of first terminal electrodes provided on the first flange part; a plurality of second terminal electrodes provided on the second flange part; and a plurality of wires wound around the winding core part, each of the plurality of wires having a first end connected to an associated one of the first terminal electrodes, and having a second end connected to an associated one of the second terminal electrodes. Each of the first and second flange parts has a tapered groove whose side surfaces are inclined. The plurality of wires are accommodated in the tapered grooves.Type: ApplicationFiled: March 2, 2021Publication date: September 9, 2021Inventors: Yugo ASAI, Aoi TOKIWA, Daisuke URABE
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Publication number: 20210280357Abstract: Disclosed herein is a coil component that includes: a drum-shaped core including a flange part and a winding core part; a terminal fitting fixed to the flange part; and a wire wound around the winding core part and having an end portion connected to the terminal fitting. The flange part has an outer surface positioned on a side opposite to the winding core part. The terminal fitting has a positioning part for positioning the wire and a weld bead formed as a result of welding between the terminal fitting and the end portion of the wire. The positioning part and weld bead are both positioned on the outer surface of the flange part. The weld bead has a protruding part that does not overlap the flange part.Type: ApplicationFiled: March 2, 2021Publication date: September 9, 2021Inventors: Yugo ASAI, Aoi TOKIWA, Daisuke URABE
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Patent number: 10958233Abstract: Disclosed herein is a common mode filter that includes a winding core part and first and second wires wound in a same direction around the winding core part. A predetermined one turn of the first wire crosses a predetermined one turn of the second wire a plurality of times.Type: GrantFiled: December 30, 2018Date of Patent: March 23, 2021Assignee: TDK CORPORATIONInventors: Yugo Asai, Tsutomu Kobayashi, Daisuke Urabe, Hiroshi Suzuki, Emi Ito, Toshio Tomonari
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Patent number: 10847441Abstract: A cooling system includes: a placement plate on which a plurality of components are disposed; and a liquid refrigerant flow path, which is formed on an opposite side of the placement plate with respect to the plurality of components, and is configured to allow a liquid refrigerant for cooling the plurality of components to flow therethrough. The path includes: a first heat-radiating portion disposed at a liquid refrigerant inlet portion around which fins are disposed such that distances from a flow-path inlet portion to the fins are gradually farther away from a flow-path side wall toward a center of the path; a second heat-radiating portion which includes fins having a curved shape; a third heat-radiating portion having no fins; a fourth heat-radiating portion having higher fin-mounting density than the first and the second heat-radiating portions, an inlet and an outlet through which the liquid refrigerant flows in and out.Type: GrantFiled: November 22, 2017Date of Patent: November 24, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yugo Asai, Masaru Shinozaki, Hiroyuki Ushifusa
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Patent number: 10819189Abstract: A cooling apparatus includes: an annular internal liquid coolant flow channel that is mounted to a rotary electric machine main body, and in which an internal liquid coolant circulates around an outer circumference of the rotary electric machine main body, and an external liquid coolant passage portion through which an external liquid coolant passes, the external liquid coolant passage portion is connected to the internal liquid coolant flow channel by a connecting portion that is positioned vertically higher than the rotary electric machine main body, and the electric power converting apparatus includes a heat radiating surface that releases heat that is generated in the electric power converting apparatus, the electric power converting apparatus being mounted to the cooling apparatus such that the heat radiating surface and the internal liquid coolant can exchange heat at a position that is vertically lower than the connecting portion.Type: GrantFiled: March 28, 2017Date of Patent: October 27, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Masaru Shinozaki, Yugo Asai, Yusuke Kimoto, Hiroyuki Ushifusa, Yoshiaki Kitta, Yoshiyuki Deguchi
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Patent number: 10816273Abstract: A boiling cooling device and a boiling cooling system which can promote boiling and restrain the cooling capacity of the device from deteriorating. A boiling cooling device includes: a pump to circulate refrigerant; a microbubble generator to produce microbubbles and incorporate the microbubbles into the refrigerant discharged from the pump; a boiling cooler to which the refrigerant containing the microbubbles is supplied and which boils the refrigerant; a radiator to cool the refrigerant after the refrigerant is boiled and before the refrigerant is taken in by the pump 11; and a gas-liquid separator 15 to separate gas from the circulating refrigerant after the refrigerant is boiled and before the refrigerant is taken in by the pump.Type: GrantFiled: January 8, 2016Date of Patent: October 27, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Shigetoshi Ipposhi, Masaru Shinozaki, Yugo Asai
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Patent number: 10729040Abstract: A cooler configured to cool an electronic device includes: a refrigerant inlet portion configured to guide refrigerant from an outside of a casing to an inside of the casing; a refrigerant outlet portion configured to guide the refrigerant from the inside of the casing to the outside of the casing; and a metal member located inside the casing and configured to define a flow path region in which the refrigerant is caused to flow from the refrigerant inlet portion to the refrigerant outlet portion. The metal member includes: a plurality of opening portions configured to cause the refrigerant to pass therethrough; and a capture and reduction portion having such a shape as to capture air bubbles, which are generated through a connection surface between the casing and the electronic device. The air bubbles are reduced through cooling by the refrigerant when the electronic device is cooled.Type: GrantFiled: April 22, 2016Date of Patent: July 28, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Yugo Asai, Shigetoshi Ipposhi, Masaru Shinozaki, Hiroyuki Higashino, Kazuki Sakata, Masakazu Tani
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Patent number: D918835Type: GrantFiled: February 21, 2019Date of Patent: May 11, 2021Assignee: TDK CORPORATIONInventors: Yugo Asai, Daisuke Urabe, Hiroshi Suzuki, Aoi Tokiwa
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Patent number: D921586Type: GrantFiled: February 21, 2019Date of Patent: June 8, 2021Assignee: TDK CORPORATIONInventors: Yugo Asai, Daisuke Urabe, Hiroshi Suzuki, Aoi Tokiwa
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Patent number: D942393Type: GrantFiled: August 21, 2019Date of Patent: February 1, 2022Assignee: TDK CORPORATIONInventors: Yugo Asai, Daisuke Urabe, Hiroshi Suzuki, Aoi Tokiwa, Kosuke Kunitsuka
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Patent number: D942947Type: GrantFiled: August 21, 2019Date of Patent: February 8, 2022Assignee: TDK CORPORATIONInventors: Yugo Asai, Daisuke Urabe, Hiroshi Suzuki, Aoi Tokiwa, Kosuke Kunitsuka
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Patent number: D1022908Type: GrantFiled: April 6, 2021Date of Patent: April 16, 2024Assignee: TDK CORPORATIONInventors: Yugo Asai, Daisuke Urabe, Hiroshi Suzuki, Aoi Tokiwa