Patents by Inventor Takanobu Katsuyama
Takanobu Katsuyama 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: 10553360Abstract: A body of a multilayer ceramic capacitor includes an inner layer portion and first and second outer layer portions sandwiching the inner layer portion therebetween. The inner layer portion includes an area extending from a conductive layer positioned closest to a first main surface to a conductive layer positioned closest to a second main surface in the stacking direction. The height of the body is smaller than the width of the body. The height of the inner layer portion is smaller than the width of the inner layer portion. The first outer layer portion includes a dielectric layer positioned closest to the first main surface. The second outer layer portion includes a dielectric layer positioned closest to the second main surface, and is thicker than the first outer layer portion. The total height of the first and second outer layer portions is smaller than the height of the inner layer portion.Type: GrantFiled: August 2, 2017Date of Patent: February 4, 2020Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Patent number: 10109423Abstract: In an electronic component, each of a distance between a first outer electrode and a third outer electrode along a length direction and a distance between a second outer electrode and the third outer electrode along a length direction is about 8% to about 13% of a dimension of the electronic component along the length direction.Type: GrantFiled: November 19, 2014Date of Patent: October 23, 2018Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Takanobu Katsuyama, Yasunari Nakamura, Naoto Muranishi, Takashi Sawada
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Patent number: 9984826Abstract: A laminated capacitor includes a multilayer body and first and second outer electrodes on a portion of a surface of the multilayer body. Relationships GT1>GL>GW, GT2>GL>GW, SL>SW, and (SL/SW)>(ML/MW) are satisfied, where a thickness of a first outer layer portion is GT1, a thickness of a second outer layer portion is GT2, a width of a side portion is GW, each length of end portions is GL, a length of the multilayer body is SL, a width of the multilayer body is SW, a length of a main portion is ML, and a width of the main portion is MW.Type: GrantFiled: September 26, 2016Date of Patent: May 29, 2018Assignee: Murata Manufacturing Co., Ltd.Inventors: Kaori Morito, Takanobu Katsuyama
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Patent number: 9947476Abstract: A body of a multilayer ceramic capacitor includes an inner layer portion and first and second outer layer portions sandwiching the inner layer portion therebetween. The inner layer portion includes an area extending from a conductive layer positioned closest to a first main surface to a conductive layer positioned closest to a second main surface in the stacking direction. The height of the body is smaller than the width of the body. The height of the inner layer portion is smaller than the width of the inner layer portion. The first outer layer portion includes a dielectric layer positioned closest to the first main surface. The second outer layer portion includes a dielectric layer positioned closest to the second main surface, and is thicker than the first outer layer portion. The total height of the first and second outer layer portions is smaller than the height of the inner layer portion.Type: GrantFiled: July 21, 2017Date of Patent: April 17, 2018Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Patent number: 9922768Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, and length-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A Si content ratio is higher in a boundary portion between the outer portion and the inner portion. The inner portion has a higher composition ratio of Mn to Ti than the outer portion. Both of minimum dimensions in the length direction of the length-direction first and second outer layer sections are greater than a dimension in the thickness direction of the thickness-direction first outer layer section.Type: GrantFiled: February 24, 2017Date of Patent: March 20, 2018Assignee: Murata Manufacturing Co., Ltd.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Patent number: 9859059Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, length-direction first and second outer layer sections, and width-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A boundary portion between the outer portion and the inner portion has a larger Si content than the outer portion. The inner portion has a higher composition ratio of Mn to Ti than the outer portion.Type: GrantFiled: March 3, 2017Date of Patent: January 2, 2018Assignee: Murata Manufacturing Co., Ltd.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Patent number: 9831038Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, length-direction first and second outer layer sections, and width-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A boundary portion between the outer portion and the inner portion has a larger Si content than the outer portion. The inner portion has a higher composition ratio of Mn to Ti than the outer portion.Type: GrantFiled: March 3, 2017Date of Patent: November 28, 2017Assignee: Murata Manufacturing Co., Ltd.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Publication number: 20170330687Abstract: A body of a multilayer ceramic capacitor includes an inner layer portion and first and second outer layer portions sandwiching the inner layer portion therebetween. The inner layer portion includes an area extending from a conductive layer positioned closest to a first main surface to a conductive layer positioned closest to a second main surface in the stacking direction. The height of the body is smaller than the width of the body. The height of the inner layer portion is smaller than the width of the inner layer portion. The first outer layer portion includes a dielectric layer positioned closest to the first main surface. The second outer layer portion includes a dielectric layer positioned closest to the second main surface, and is thicker than the first outer layer portion. The total height of the first and second outer layer portions is smaller than the height of the inner layer portion.Type: ApplicationFiled: August 2, 2017Publication date: November 16, 2017Inventors: Shota KITANO, Takanobu KATSUYAMA, Hiroaki SUGITA
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Publication number: 20170323728Abstract: A body of a multilayer ceramic capacitor includes an inner layer portion and first and second outer layer portions sandwiching the inner layer portion therebetween. The inner layer portion includes an area extending from a conductive layer positioned closest to a first main surface to a conductive layer positioned closest to a second main surface in the stacking direction. The height of the body is smaller than the width of the body. The height of the inner layer portion is smaller than the width of the inner layer portion. The first outer layer portion includes a dielectric layer positioned closest to the first main surface. The second outer layer portion includes a dielectric layer positioned closest to the second main surface, and is thicker than the first outer layer portion. The total height of the first and second outer layer portions is smaller than the height of the inner layer portion.Type: ApplicationFiled: July 21, 2017Publication date: November 9, 2017Inventors: Shota KITANO, Takanobu KATSUYAMA, Hiroaki SUGITA
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Patent number: 9728336Abstract: A body of a multilayer ceramic capacitor includes an inner layer portion and first and second outer layer portions sandwiching the inner layer portion therebetween. The inner layer portion includes an area extending from a conductive layer positioned closest to a first main surface to a conductive layer positioned closest to a second main surface in the stacking direction. The height of the body is smaller than the width of the body. The height of the inner layer portion is smaller than the width of the inner layer portion. The first outer layer portion includes a dielectric layer positioned closest to the first main surface. The second outer layer portion includes a dielectric layer positioned closest to the second main surface, and is thicker than the first outer layer portion. The total height of the first and second outer layer portions is smaller than the height of the inner layer portion.Type: GrantFiled: August 11, 2015Date of Patent: August 8, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Patent number: 9728335Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, and width-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A Si content ratio is higher in a boundary portion between the outer portion and the inner portion. A relationship expressed by T1/(W0?W1)?6.95 is satisfied when a minimum dimension in the width direction of the body is denoted by W0, a minimum dimension in the thickness direction of the multilayer unit is denoted by T1, and a minimum dimension in the width direction of the multilayer unit is denoted by W1.Type: GrantFiled: March 12, 2015Date of Patent: August 8, 2017Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Publication number: 20170178814Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, length-direction first and second outer layer sections, and width-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A boundary portion between the outer portion and the inner portion has a larger Si content than the outer portion. The inner portion has a higher composition ratio of Mn to Ti than the outer portion.Type: ApplicationFiled: March 3, 2017Publication date: June 22, 2017Inventors: Shota KITANO, Takanobu KATSUYAMA, Hiroaki SUGITA
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Publication number: 20170178813Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, length-direction first and second outer layer sections, and width-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A boundary portion between the outer portion and the inner portion has a larger Si content than the outer portion. The inner portion has a higher composition ratio of Mn to Ti than the outer portion.Type: ApplicationFiled: March 3, 2017Publication date: June 22, 2017Inventors: Shota KITANO, Takanobu KATSUYAMA, Hiroaki SUGITA
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Publication number: 20170169953Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, and length-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A Si content ratio is higher in a boundary portion between the outer portion and the inner portion. The inner portion has a higher composition ratio of Mn to Ti than the outer portion. Both of minimum dimensions in the length direction of the length-direction first and second outer layer sections are greater than a dimension in the thickness direction of the thickness-direction first outer layer section.Type: ApplicationFiled: February 24, 2017Publication date: June 15, 2017Inventors: Shota KITANO, Takanobu KATSUYAMA, Hiroaki SUGITA
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Patent number: 9627137Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, length-direction first and second outer layer sections, and width-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A boundary portion between the outer portion and the inner portion has a larger Si content than the outer portion. The inner portion has a higher composition ratio of Mn to Ti than the outer portion.Type: GrantFiled: March 12, 2015Date of Patent: April 18, 2017Assignee: Murata Manufacturing Co., Ltd.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Patent number: 9620287Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, and length-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A Si content ratio is higher in a boundary portion between the outer portion and the inner portion. The inner portion has a higher composition ratio of Mn to Ti than the outer portion. Both of minimum dimensions in the length direction of the length-direction first and second outer layer sections are greater than a dimension in the thickness direction of the thickness-direction first outer layer section.Type: GrantFiled: March 12, 2015Date of Patent: April 11, 2017Assignee: Murata Manufacturing Co., Ltd.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Publication number: 20170092424Abstract: A laminated capacitor includes a multilayer body and first and second outer electrodes on a portion of a surface of the multilayer body. Relationships GT1>GL>GW, GT2>GL>GW, SL>SW, and (SL/SW)>(ML/MW) are satisfied, where a thickness of a first outer layer portion is GT1, a thickness of a second outer layer portion is GT2, a width of a side portion is GW, each length of end portions is GL, a length of the multilayer body is SL, a width of the multilayer body is SW, a length of a main portion is ML, and a width of the main portion is MW.Type: ApplicationFiled: September 26, 2016Publication date: March 30, 2017Inventors: Kaori MORITO, Takanobu KATSUYAMA
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Patent number: 9449760Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, and length-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A Si content ratio is higher in a boundary portion between the outer portion and the inner portion. A relationship expressed by T1/(L0?L1)?5.98 is satisfied when a minimum dimension in the length direction of the body is denoted by L0, a minimum dimension in the thickness direction of the multilayer unit is denoted by T1, and a minimum dimension in the length direction of the multilayer unit is denoted by L1.Type: GrantFiled: March 12, 2015Date of Patent: September 20, 2016Assignee: Murata Manufacturing Co., Ltd.Inventors: Shota Kitano, Takanobu Katsuyama, Hiroaki Sugita
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Publication number: 20160049247Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, and width-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A Si content ratio is higher in a boundary portion between the outer portion and the inner portion. A relationship expressed by T1/(W0?W1)?6.95 is satisfied when a minimum dimension in the width direction of the body is denoted by W0, a minimum dimension in the thickness direction of the multilayer unit is denoted by T1, and a minimum dimension in the width direction of the multilayer unit is denoted by W1.Type: ApplicationFiled: March 12, 2015Publication date: February 18, 2016Inventors: Shota KITANO, Takanobu KATSUYAMA, Hiroaki SUGITA
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Publication number: 20160049244Abstract: A multilayer ceramic capacitor includes a multilayer unit, thickness-direction first and second outer layer sections, and length-direction first and second outer layer sections. A dimension of the thickness-direction second outer layer section is greater than a dimension of the thickness-direction first outer layer section. The thickness-direction second outer layer section includes an inner portion and an outer portion. A composition ratio of Si to Ti in a ceramic dielectric layer included in the outer portion is higher than that in the inner portion. A Si content ratio is higher in a boundary portion between the outer portion and the inner portion. A relationship expressed by T1/(L0?L1)?5.98 is satisfied when a minimum dimension in the length direction of the body is denoted by L0, a minimum dimension in the thickness direction of the multilayer unit is denoted by T1, and a minimum dimension in the length direction of the multilayer unit is denoted by L1.Type: ApplicationFiled: March 12, 2015Publication date: February 18, 2016Inventors: Shota KITANO, Takanobu KATSUYAMA, Hiroaki SUGITA