Patents by Inventor Hiroyuki Ryoson
Hiroyuki Ryoson 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: 20220173494Abstract: The disclosure aims at providing an antenna array for 5G communications that has superior thermal dissipation and crosstalk suppression effect. To achieve the above-described object, an antenna array 1 for 5G communications according to the disclosure includes a substrate 10; at least one high-frequency semiconductor device 20, a noise-suppressing thermally conductive sheet 20, and a first thermal dissipation member 41 sequentially formed on one surface 10a of the substrate 10; and at least one antenna 50 and a second thermal dissipation member 42 sequentially formed on the other surface 10b of the substrate 10.Type: ApplicationFiled: February 27, 2020Publication date: June 2, 2022Applicant: Dexerials CorporationInventors: Sergey BOLOTOV, Hiroyuki RYOSON, Keisuke ARAMAKI, Yusuke KUBO
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Patent number: 11043461Abstract: Provided is a semiconductor device having excellent heat transferring performance and electromagnetic wave suppression effect. A semiconductor device 1 comprises: a semiconductor element 30 formed on a substrate 50; a conductive shield can 20 having an opening 21, covering at least a part of the semiconductor element 30, and connected to a ground 60; a cooling member 40 located above the conductive shield can 20; and an electromagnetic wave absorbing thermal conductive sheet 10 formed between the semiconductor element 30 and the cooling member 40 at least through the opening 21 of the conductive shield can 20.Type: GrantFiled: November 22, 2017Date of Patent: June 22, 2021Assignee: Dexerials CorporationInventors: Tatsuo Kumura, Hiroyuki Ryoson
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Patent number: 10892204Abstract: Disclosed is an electromagnetic wave absorbing heat conductive sheet having superior heat conductivity and electromagnetic wave absorbency. The electromagnetic wave absorbing heat conductive sheet comprises a polymer matrix component; a magnetic metal power; and a fibrous heat conductive filler oriented in one direction.Type: GrantFiled: March 24, 2017Date of Patent: January 12, 2021Assignee: Dexerials CorporationInventors: Tatsuo Kumura, Yusuke Kubo, Keisuke Aramaki, Hiroyuki Ryoson
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Publication number: 20200152581Abstract: Provided is a semiconductor device having excellent heat transferring performance and electromagnetic wave suppression effect. A semiconductor device 1 comprises: a semiconductor element 30 formed on a substrate 50; a conductive shield can 20 having an opening 21, covering at least a part of the semiconductor element 30, and connected to a ground 60; a cooling member 40 located above the conductive shield can 20; and an electromagnetic wave absorbing thermal conductive sheet 10 formed between the semiconductor element 30 and the cooling member 40 at least through the opening 21 of the conductive shield can 20.Type: ApplicationFiled: November 22, 2017Publication date: May 14, 2020Applicant: Dexerials CorporationInventors: Tatsuo KUMURA, Hiroyuki RYOSON
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Patent number: 10505257Abstract: An antenna device incorporated in an electronic apparatus to communicate with an external apparatus via an electromagnetic field signal includes a first conductor provided inside a housing of the electronic apparatus and opposing the external apparatus, a loop antenna having an antenna coil conductively coupled to the external apparatus and coiling thereon, a sheet-like second conductor provided as being spaced with a predetermined space from the first conductor and partially overlapping or making contact with a surface of the loop antenna opposite to a surface opposing the external apparatus, and a sheet-like third conductor provided between the first conductor and the second conductor and having one end overlapping or making contact with the first conductor and other end partially overlapping or making contact with the second conductor.Type: GrantFiled: January 14, 2015Date of Patent: December 10, 2019Assignee: DEXERIALS CORPORATIONInventors: Katsuhisa Orihara, Norio Saito, Akihiro Fukuda, Manabu Suzuki, Hiroyuki Ryoson, Masayoshi Kanno, Masahiro Kobo
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Publication number: 20190246521Abstract: Provided is a heat conductive sheet having an excellent electromagnetic wave suppressing effect in addition to excellent thermal conductivity. A heat conductive sheet 1 includes a heat conductive sheet body 10 containing a binder resin 11 and fibrous heat conductive fillers 12, and a low permittivity partition member 20 which has a lower dielectric constant than the heat conductive sheet body 10 and separates at least part of the heat conductive sheet body 10.Type: ApplicationFiled: October 10, 2017Publication date: August 8, 2019Applicant: Dexerials CorporationInventors: Tatsuo KUMURA, Hiroyuki RYOSON
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Patent number: 10236557Abstract: An electronic device and an antenna device are provided that use a coil module which is thinned without losing the characteristics of the coil module and which can be mounted in a narrowed space. A coil module including a loop-shaped antenna coil wounded in a planar shape and a sheet-shaped magnetic sheet which is formed of a magnetic material and which overlaps with at least a part of the antenna coil is included. In the coil module, a part of the antenna coil is overlapped with an internal structure of a housing and the magnetic sheet is provided in a position that does not overlap with the internal structure on an antenna coil surface side that overlaps with the internal structure.Type: GrantFiled: October 16, 2013Date of Patent: March 19, 2019Assignee: DEXERIALS CORPORATIONInventors: Katsuhisa Orihara, Norio Saito, Akihiro Fukuda, Hiroyuki Ryoson, Masayoshi Kanno, Masahiro Kobo
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Publication number: 20190080978Abstract: Disclosed is an electromagnetic wave absorbing heat conductive sheet having superior heat conductivity and electromagnetic wave absorbency. The electromagnetic wave absorbing heat conductive sheet comprises a polymer matrix component; a magnetic metal power; and a fibrous heat conductive filler oriented in one direction.Type: ApplicationFiled: March 24, 2017Publication date: March 14, 2019Applicant: Dexerials CorporationInventors: Tatsuo KUMURA, Yusuke KUBO, Keisuke ARAMAKI, Hiroyuki RYOSON
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Patent number: 9748636Abstract: Provided is an antenna device that achieves good communication characteristics when incorporated into an electronic apparatus. The antenna device incorporated into an electronic apparatus and configured to communicate with an external device via an electromagnetic field signal comprises: a metal plate serving as a first electric conductor, being provided inside a casing of the electronic apparatus and facing the external device; an antenna substrate provided inside the casing of the electronic apparatus, and having an antenna coil inductively coupled to the external device and wound around thereon; and metal foil serving as a second electric conductor in sheet form, being provided inside the casing of the electronic apparatus, overlapping or being in contact with the metal plate serving as the first electric conductor, and at least partially overlapping a surface of the antenna substrate, the surface being opposite to a surface facing the external device.Type: GrantFiled: August 21, 2013Date of Patent: August 29, 2017Assignee: DEXERIALS CORPORATIONInventors: Katsuhisa Orihara, Norio Saito, Akihiro Fukuda, Manabu Suzuki, Hiroyuki Ryoson, Masayoshi Kanno
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Patent number: 9711856Abstract: An electronic device incorporated with a coil module that achieves favorable communication characteristics is provided. In an electronic device incorporated with a coil module, the coil module includes a loop coil wounded in a planar shape and a sheet-shaped magnetic sheet which is formed of a magnetic material and which overlaps with a part of the loop coil, and the magnetic sheet is arranged on at least one side extending from a center of the loop coil.Type: GrantFiled: October 16, 2013Date of Patent: July 18, 2017Assignee: DEXERIALS CORPORATIONInventors: Katsuhisa Orihara, Norio Saito, Akihiro Fukuda, Hiroyuki Ryoson, Masayoshi Kanno
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Patent number: 9634392Abstract: The loss is reduced even when loop coils of a multi-coil module are overlaid with each other. The multi-coil module includes a first coil module, having a first magnetic sheet and a first loop coil provided on the first magnetic sheet and wound in a planar shape, and a second coil module, having a second magnetic sheet and a second loop coil provided on the second magnetic sheet and wound in a planar shape. The first coil module and the second coil module are stacked on each other, and at least an innermost coil pattern of the first loop coil and the second loop coil are overlaid with each other. The line width of the innermost coil pattern t of the first loop coil overlaid with the second loop coil is 1 mm or less.Type: GrantFiled: October 24, 2013Date of Patent: April 25, 2017Assignee: DEXERIALS CORPORATIONInventors: Norio Saito, Hiroyuki Ryoson, Katsuhisa Orihara
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Publication number: 20160336645Abstract: An antenna device incorporated in an electronic apparatus to communicate with an external apparatus via an electromagnetic field signal includes a first conductor provided inside a housing of the electronic apparatus and opposing the external apparatus, a loop antenna having an antenna coil conductively coupled to the external apparatus and coiling thereon, a sheet-like second conductor provided as being spaced with a predetermined space from the first conductor and partially overlapping or making contact with a surface of the loop antenna opposite to a surface opposing the external apparatus, and a sheet-like third conductor provided between the first conductor and the second conductor and having one end overlapping or making contact with the first conductor and other end partially overlapping or making contact with the second conductor.Type: ApplicationFiled: January 14, 2015Publication date: November 17, 2016Applicant: DEXERIALS CORPORATIONInventors: Katsuhisa ORIHARA, Norio SAITO, Akihiro FUKUDA, Manabu SUZUKI, Hiroyuki RYOSON, Masayoshi KANNO, Masahiro KOBO
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Patent number: 9496598Abstract: Provided is a wireless communication system which has excellent communication characteristics even between antenna modules having antenna coils between which there is a large difference in outside diameter. The wireless communication system includes: a first antenna module including a first antenna coil; and a second antenna module including a second antenna coil and capable of communication by receiving a magnetic field transmitted from the first antenna module, in which the first antenna coil and the second antenna coil have mutually different outside diameters, and, out of the first antenna coil and the second antenna coil, the antenna coil having a larger outside diameter is formed in such a way that the area of an opening portion inside the innermost perimeter of an antenna pattern is not more than 120% of the outside diameter area of the other antenna coil having a smaller outside diameter.Type: GrantFiled: November 14, 2013Date of Patent: November 15, 2016Assignee: DEXERIALS CORPORATIONInventors: Katsuhisa Orihara, Norio Saito, Akihiro Fukuda, Hiroyuki Ryoson, Masayoshi Kanno
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Publication number: 20160104937Abstract: Provided is a coil module which is reduced in size and made slimmer by incorporating a material and structure resistant to magnetic saturation. The coil module has: a magnetic resin layer containing magnetic particles; and a spiral coil, wherein the magnetic resin layer contains magnetic particles having a spherical shape or a spheroid shape having a dimensional ratio of not more than 6, the dimensional ratio being expressed as a ratio of the major diameter to the minor diameter.Type: ApplicationFiled: March 11, 2014Publication date: April 14, 2016Inventors: Tatsuo KUMURA, Yusuke KUBO, Hiroyuki RYOSON
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Publication number: 20160013555Abstract: An electronic device incorporated with a coil module that achieves favorable communication characteristics is provided. In an electronic device incorporated with a coil module, the coil module includes a loop coil wounded in a planar shape and a sheet-shaped magnetic sheet which is formed of a magnetic material and which overlaps with a part of the loop coil, and the magnetic sheet is arranged on at least one side extending from a center of the loop coil.Type: ApplicationFiled: October 16, 2013Publication date: January 14, 2016Inventors: Katsuhisa ORIHARA, Norio SAITO, Akihiro FUKUDA, Hiroyuki RYOSON, Masayoshi KANNO
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Publication number: 20150333389Abstract: Provided is a wireless communication system which has excellent communication characteristics even between antenna modules having antenna coils between which there is a large difference in outside diameter. The wireless communication system includes: a first antenna module including a first antenna coil; and a second antenna module including a second antenna coil and capable of communication by receiving a magnetic field transmitted from the first antenna module, in which the first antenna coil and the second antenna coil have mutually different outside diameters, and, out of the first antenna coil and the second antenna coil, the antenna coil having a larger outside diameter is formed in such a way that the area of an opening portion inside the innermost perimeter of an antenna pattern is not more than 120% of the outside diameter area of the other antenna coil having a smaller outside diameter.Type: ApplicationFiled: November 14, 2013Publication date: November 19, 2015Applicant: Dexerials CorporationInventors: Katsuhisa ORIHARA, Norio SAITO, Akihiro FUKUDA, Hiroyuki RYOSON, Masayoshi KANNO
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Publication number: 20150288054Abstract: An electronic device and an antenna device are provided that use a coil module which is thinned without losing the characteristics of the coil module and which can be mounted in a narrowed space. A coil module including a loop-shaped antenna coil wounded in a planar shape and a sheet-shaped magnetic sheet which is formed of a magnetic material and which overlaps with at least a part of the antenna coil is included. In the coil module, a part of the antenna coil is overlapped with an internal structure of a housing and the magnetic sheet is provided in a position that does not overlap with the internal structure on an antenna coil surface side that overlaps with the internal structure.Type: ApplicationFiled: October 16, 2013Publication date: October 8, 2015Inventors: Katsuhisa Orihara, Norio Saito, Akihiro Fukuda, Hiroyuki Ryoson, Masayoshi Kanno, Masahiro Kobo
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Publication number: 20150280322Abstract: The loss is reduced even when loop coils of a multi-coil module are overlaid with each other. The multi-coil module includes a first coil module, having a first magnetic sheet and a first loop coil provided on the first magnetic sheet and wound in a planar shape, and a second coil module, having a second magnetic sheet and a second loop coil provided on the second magnetic sheet and wound in a planar shape. The first coil module and the second coil module are stacked on each other, and at least an innermost coil pattern of the first loop coil and the second loop coil are overlaid with each other. The line width of the innermost coil pattern t of the first loop coil overlaid with the second loop coil is 1 mm or less.Type: ApplicationFiled: October 24, 2013Publication date: October 1, 2015Inventors: Norio Saito, Hiroyuki Ryoson, Katsuhisa Orihara
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Publication number: 20150279554Abstract: A decreased thickness is realized without loss of characteristics of a plurality of coil modules. A first coil module includes a first magnetic sheet made of a first magnetic material, and a first loop coil provided on the first magnetic sheet and wound in a plane. A second coil module includes a second magnetic sheet made of a second magnetic material different from that of the first magnetic sheet, and a second loop coil provided on the second magnetic sheet and wound in a plane. The first magnetic sheet is not provided and the second coil module is provided inside the first loop coil.Type: ApplicationFiled: October 8, 2013Publication date: October 1, 2015Inventors: Hiroyuki Ryoson, Katsuhisa Orihara
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Publication number: 20150249282Abstract: Provided is an antenna device that achieves good communication characteristics when incorporated into an electronic apparatus. The antenna device incorporated into an electronic apparatus and configured to communicate with an external device via an electromagnetic field signal comprises: a metal plate serving as a first electric conductor, being provided inside a casing of the electronic apparatus and facing the external device; an antenna substrate provided inside the casing of the electronic apparatus, and having an antenna coil inductively coupled to the external device and wound around thereon; and metal foil serving as a second electric conductor in sheet form, being provided inside the casing of the electronic apparatus, overlapping or being in contact with the metal plate serving as the first electric conductor, and at least partially overlapping a surface of the antenna substrate, the surface being opposite to a surface facing the external device.Type: ApplicationFiled: August 21, 2013Publication date: September 3, 2015Inventors: Katsuhisa Orihara, Norio Saito, Akihiro Fukuda, Manabu Suzuki, Hiroyuki Ryoson, Masayoshi Kanno