Patents by Inventor Yoshimasa YOSHIOKA
Yoshimasa YOSHIOKA 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: 20210343468Abstract: In an inductor component, an inductor wire is formed inside a main body. The inductor wire has a circular columnar body extending in the height direction. An end surface of the inductor wire at a first end in the wire extending direction serves as a first external terminal and is exposed at a first terminal surface of the main body. The first external terminal is exposed only at the first terminal surface. An end surface of the inductor wire at a second end in the wire extending direction serves as a second external terminal and is exposed at a second terminal surface of the main body. The second external terminal is exposed only at the second terminal surface.Type: ApplicationFiled: April 28, 2021Publication date: November 4, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Tatsuya SASAKI
-
Publication number: 20210280360Abstract: In an inductor component, an inductor wire is in an element body and extends on a virtual flat plane passing inside the element body. A wire main body of the inductor wire has an oblong rectangular shape elongated in a length direction in the top view, and thus, a wire width perpendicular to the extending direction is constant. From each edge of the wire main body in a width direction, protrusions having an oblong rectangular shape in the top view protrude and extend, from a center of the wire main body in the extending direction of the wire main body, in a direction perpendicular to the extending direction, on both sides in the width direction of the wire main body, with the extending direction sandwiched between the protrusions. An area ratio of a protrusion area of the protrusions to an area of the wire main body is within 7.2%.Type: ApplicationFiled: March 3, 2021Publication date: September 9, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Isamu MIYAKE, Yoshimasa YOSHIOKA
-
Publication number: 20210265102Abstract: An inductor component includes a main body including a magnetic layer, an inductor wire provided in the main body, at least one first electrode wire provided in the main body and in contact with the inductor wire and extending from its contact portion toward a first main surface of the main body, and at least one second electrode wire provided in the main body and in contact with the inductor wire and extending from its contact portion toward a second main surface of the main body. A first external terminal of the at least one first electrode wire contains a metal material different from a metal material contained in a second external terminal of the at least one second electrode wire.Type: ApplicationFiled: February 11, 2021Publication date: August 26, 2021Applicant: Murata Manufacturing Co., Ltd.Inventor: Yoshimasa YOSHIOKA
-
Publication number: 20210265094Abstract: The inductor component includes a first magnetic layer, an inductor wiring line laminated on a main face of the first magnetic layer, a second magnetic layer disposed in the same layer as the inductor wiring line, a third magnetic layer disposed on a main face of the inductor wiring line and the second magnetic layer on a side opposite to the first magnetic layer, and an insulation layer being a non-magnetic material in contact with part of a surface of the inductor wiring line. The entire face of the surface of the inductor wiring line on the first magnetic layer side is in contact with the first magnetic layer, and a face of the surface of the inductor wiring line on the second magnetic layer side is in contact with the insulation layer.Type: ApplicationFiled: February 11, 2021Publication date: August 26, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Hiroki IMAEDA
-
Publication number: 20210265097Abstract: An inductor component including a magnetic layer in which a magnetic metal powder is dispersedly present in a base material made of an insulation material and an inductor wiring line laminated on a surface of the magnetic layer. The inductor wiring line includes an anchor portion extending from a main face of the inductor wiring line on a side of the magnetic layer and covering a surface of the magnetic metal powder in the magnetic layer.Type: ApplicationFiled: February 11, 2021Publication date: August 26, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Hiroki IMAEDA, Shinji OTANI
-
Publication number: 20210233701Abstract: An inductor component includes a body that includes a magnetic layer, an inductor wire that is provided in the body, and a vertical wire that is provided in the body and that extends to a first principal surface from a contact portion of the vertical wire that is in contact with the inductor wire. The vertical wire is in contact with the inductor wire in such a manner as to extend over a first side surface and a third side surface of the inductor wire.Type: ApplicationFiled: January 26, 2021Publication date: July 29, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Riku KANEMOTO, Yoshimasa YOSHIOKA
-
Publication number: 20210193370Abstract: A coil component including 2N coils, N being an integer of two or more, wherein the 2N coils are configured to form N pairs, and wherein when coils other than a first coil and a second coil forming one of the N pairs are defined as the other coils, a magnetic coupling between the first coil and the second coil is stronger than a magnetic coupling between the first coil and each of the other coils.Type: ApplicationFiled: March 9, 2021Publication date: June 24, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA, Atsuo HIRUKAWA
-
Publication number: 20210134516Abstract: An inductor array component including an element body and a first straight wiring line and a second straight wiring line that are arranged on the same plane inside the element body. The element body includes a first region that is located on a first side of the first straight wiring line or the second straight wiring line in a normal direction that is normal to the plane, a second region that is located on a second side of the first straight wiring line or the second straight wiring line in the normal direction that is normal to the plane, and a third region that is located between the first straight wiring line and the second straight wiring line. The greater one out of the magnetoresistance of the first region and the magnetoresistance of the second region is greater than or equal to the magnetoresistance of the third region.Type: ApplicationFiled: October 21, 2020Publication date: May 6, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Naoya NOO
-
Publication number: 20210125776Abstract: An inductor array component includes a substantially flat plate-shaped main body including a magnetic layer having resin and metal magnetic powder contained in the resin, a first inductor wiring and a second inductor wiring disposed on the same plane in the main body and adjacent to each other, and a plurality of first vertical wirings extending in a first direction of a normal direction with respect to the plane so as to penetrate through inside of the main body and being exposed on a side of a first main surface of the main body. Also, the inductor array component includes a plurality of second vertical wirings extending in a second direction of the normal direction with respect to the plane so as to penetrate through the inside of the main body and being exposed on a side of a second main surface of the main body.Type: ApplicationFiled: October 21, 2020Publication date: April 29, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Akinori HAMADA
-
Publication number: 20210125769Abstract: An inductor component includes a main body formed in a flat-plate shape and including a magnetic layer; an inductor wiring line disposed on a plane inside the main body; a first vertical wiring line that extends, from a pad portion which is an end portion of the inductor wiring line, in a first direction to pass through the inside of the main body, and is exposed on a first principal surface side of the main body; a second vertical wiring line that extends, from the pad portion of the inductor wiring line, in a second direction to pass through the inside of the main body, and is exposed on a second principal surface side of the main body; and an insulation layer of a non-magnetic body. The first vertical wiring line includes a via conductor and a columnar wiring line. The second vertical wiring line includes a columnar wiring line.Type: ApplicationFiled: October 21, 2020Publication date: April 29, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Mizuho KATSUTA
-
Publication number: 20210125770Abstract: An inductor component includes first and second inductor wiring lines, a first vertical wiring line, a second vertical wiring line, and a third vertical wiring line, wherein the first vertical wiring line and the second vertical wiring line are connected to the first end portion and the second end portion of the first inductor wiring line, respectively, and the third vertical wiring line and the second vertical wiring line are connected to the first end portion and the second end portion of the second inductor wiring line, respectively.Type: ApplicationFiled: October 21, 2020Publication date: April 29, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Kouji YAMAUCHI
-
Publication number: 20210110959Abstract: An inductor component includes an inductor wiring line that extends in a plane, a magnetic layer that is formed of an organic resin containing a magnetic powder and that covers the inductor wiring line, and a nonmagnetic-body insulating layer that is formed of an organic resin containing an insulating nonmagnetic powder and that covers a principal surface of the magnetic layer. The inductor component further includes a close-contact layer that is located between the magnetic layer and the insulating layer and that contains the magnetic powder, the nonmagnetic powder, and an organic resin.Type: ApplicationFiled: September 29, 2020Publication date: April 15, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Kouji YAMAUCHI, Yoshimasa YOSHIOKA, Ryo KUDOU
-
Patent number: 10978238Abstract: A coil component including 2N coils, N being an integer of two or more, wherein the 2N coils are configured to form N pairs, and wherein when coils other than a first coil and a second coil forming one of the N pairs are defined as the other coils, a magnetic coupling between the first coil and the second coil is stronger than a magnetic coupling between the first coil and each of the other coils.Type: GrantFiled: May 4, 2017Date of Patent: April 13, 2021Assignee: Murata Manuufacturing Co., Ltd.Inventors: Yoshimasa Yoshioka, Akinori Hamada, Atsuo Hirukawa
-
Publication number: 20210104354Abstract: In an inductor component, a first magnetic layer thickness of the first magnetic layer as a measurement in the normal direction is smaller than a second magnetic layer thickness of the second magnetic layer as a measurement in the normal direction. An inductor wiring thickness of the inductor wiring as a measurement in the normal direction is from larger than 0.5 times a vertical wiring thickness of the vertical wiring as a measurement in the normal direction to smaller than 1.5 times the vertical wiring thickness.Type: ApplicationFiled: September 29, 2020Publication date: April 8, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Kouji YAMAUCHI, Riku KANEMOTO, Katsufumi SASAKI
-
Publication number: 20210104353Abstract: An inductor component includes a main body, a first inductor wiring located inside the main body and extending on a virtual plane, and a second inductor wiring located inside the main body and extending in parallel to the virtual plane. The inductor component includes a third inductor wiring located between the first inductor wiring and the second inductor wiring inside the main body and extending in parallel to the virtual plane. The inductor component includes vertical wirings passing through the inside of the main body from each of the first to third inductor wirings to a surface of the main body in a direction perpendicular to the virtual plane. The third inductor wiring is a low-resistance inductor wiring having a DC electrical resistance smaller than those of the first inductor wiring and the second inductor wiring.Type: ApplicationFiled: September 29, 2020Publication date: April 8, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Kouji YAMAUCHI, Yoshimasa YOSHIOKA, Keisuke KUNIMORI
-
Patent number: 10952326Abstract: A printed wiring board comprises a sheet-shaped core base material containing a magnetic material, a coil disposed inside the core base material, and an external circuit layer disposed on at least one of first and second surfaces of the core base material opposite to each other.Type: GrantFiled: April 28, 2020Date of Patent: March 16, 2021Assignee: Murata Manufacturing Co., Ltd.Inventors: Akinori Hamada, Yoshimasa Yoshioka, Yoshinori Taguchi, Ryuichiro Tominaga
-
Publication number: 20210074467Abstract: An inductor component that includes an element body; a coil wiring line that is arranged parallel to a first main surface of the element body inside the element body; and a first vertical wiring line and a second vertical wiring line that are buried inside the element body so that end surfaces thereof are exposed from the first main surface of the element body and that are electrically connected to the coil wiring line. In a first cross section that is perpendicular to a direction in which the coil wiring line extends and intersects the first vertical wiring line, a top surface of the coil wiring line contacts a bottom surface of the first vertical wiring line and the top surface of the coil wiring line is substantially shaped like a convex surface.Type: ApplicationFiled: July 15, 2020Publication date: March 11, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Ryuichiro TOMINAGA, Yoshimasa YOSHIOKA
-
Publication number: 20210065952Abstract: An electronic component includes a composite body composed of a composite material of a resin and a magnetic metal powder and a metal film disposed on an outer surface of the composite body. The magnetic metal powder contains Fe. The metal film mainly contains Ni and is in contact with the resin and the magnetic metal powder.Type: ApplicationFiled: August 17, 2020Publication date: March 4, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Shinji OTANI, Hiroki IMAEDA, Namiko SASAJIMA, Tomohiro SUNAGA, Masami OKADO, Yoshimasa YOSHIOKA
-
Publication number: 20210065964Abstract: An electronic component includes a composite body composed of a composite material of a resin and a magnetic metal powder and a metal film disposed on an outer surface of the composite body. The magnetic metal powder contains Fe. The metal film mainly contains Cu, further contains Fe, and is in contact with the resin and the magnetic metal powder.Type: ApplicationFiled: August 17, 2020Publication date: March 4, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Shinji OTANI, Hiroki IMAEDA, Namiko SASAJIMA, Tomohiro SUNAGA, Masami OKADO, Yoshimasa YOSHIOKA
-
Publication number: 20210043367Abstract: An inductor component in which degradation of the insulation property, the inductance acquisition efficiency, and mechanical strength is suppressed. An inductor component includes a flat plate-shaped main body containing magnetic powder and a resin piece containing the magnetic powder; an inductor wire arranged in the main body; and an external terminal electrically connected to the inductor wire and exposed from a main surface of the main body. An average particle size X of the magnetic powder, a thickness T orthogonal to the main surface of the main body, and a first arithmetic mean roughness Ra1 of a part of a straight line on the main surface passing through the external terminal and excluding a part overlapping with the external terminal satisfying Formula (1): X/10?Ra1?T/10 . . . Formula (1).Type: ApplicationFiled: August 5, 2020Publication date: February 11, 2021Applicant: Murata Manufacturing Co., Ltd.Inventors: Yoshimasa YOSHIOKA, Kouji YAMAUCHI, Akinori HAMADA, Daisuke KURAFUJI