Patents by Inventor Masahiro Otsuka
Masahiro Otsuka 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: 9129745Abstract: A laminated ceramic electronic component has a variety of superior mechanical properties and electrical properties, including a high degree of freedom in the design for ceramic materials, and can be manufactured at low cost and with a low percentage of defective products. The laminated ceramic electronic component includes a laminate including a plurality of stacked ceramic layers and a plurality of internal electrodes containing Al as a main constituent, the internal electrodes being arranged along specific interfaces between the ceramic layers, and external electrodes located on an outer surface of the laminate, wherein surface layer sections of the internal electrodes include an Al2O3 layer.Type: GrantFiled: September 23, 2010Date of Patent: September 8, 2015Assignee: Murata Manufacturing Co., Ltd.Inventors: Shoichiro Suzuki, Koichi Banno, Masahiro Otsuka, Masanori Nakamura, Seiichi Jono, Taisuke Kanzaki, Akihiro Shiota
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Patent number: 9064638Abstract: A dielectric ceramic enabling low-temperature firing and exhibiting good dielectric characteristics, and a stack ceramic electronic component using the same are provided. The dielectric ceramic containing (Ba1-x-yCaxSry)m(Ti1-zZrz)O3 (1.005?m?1.2, 0?x+y?0.2, and 0?z?0.2) as a major component and an amount of Bi relative to 100 parts by mol of the major component which is 1.0 part by mol or more and 40 parts by mol or less.Type: GrantFiled: March 14, 2013Date of Patent: June 23, 2015Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Shoichiro Suzuki, Masanori Nakamura, Koichi Banno, Taisuke Kanzaki, Akihiro Shiota, Masahiro Otsuka
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Patent number: 8941975Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and Al/Si alloy-containing internal electrodes at a plurality of specific interface between ceramic layers; and an external electrode formed on the outer surface of the laminate, wherein the Al/Si ratio of the Al/Si alloy is 85/15 or more.Type: GrantFiled: September 11, 2012Date of Patent: January 27, 2015Assignee: Murata Manufacturing Co., Ltd.Inventors: Koichi Banno, Shoichiro Suzuki, Masanori Nakamura, Masahiro Otsuka, Taisuke Kanzaki, Akihiro Shiota
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Patent number: 8885320Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and Al/Mn alloy internal electrodes at a plurality of specific interfaces between the ceramic layers and an external electrode formed on the outer surface of the laminate, wherein the Al/Mn ratio of the Al/Mn alloy is 80/20 or more.Type: GrantFiled: September 11, 2012Date of Patent: November 11, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Shoichiro Suzuki, Koichi Banno, Masanori Nakamura, Masahiro Otsuka, Taisuke Kanzaki, Akihiro Shiota
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Patent number: 8885321Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes a laminate which has a plurality of laminated ceramic layers and internal electrodes formed along at a plurality of specific interface between the ceramic layers and having an Al/Ti alloy as a component; and an external electrode formed on the outer surface of the laminate. The Al/Ti ratio of the Al/Ti alloy is 91/9 or more.Type: GrantFiled: September 6, 2012Date of Patent: November 11, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Taisuke Kanzaki, Koichi Banno, Masahiro Otsuka, Shoichiro Suzuki, Akihiro Shiota, Masanori Nakamura
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Patent number: 8879236Abstract: Provided is a laminated ceramic electronic component having excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and internal electrodes at a plurality of specific interfaces between the ceramic layers and having an Al/Ni alloy as a component; and an external electrode formed on the outer surface of the laminate, wherein the Al/Ni ratio of the Al/Ni alloy is 85/15 or more.Type: GrantFiled: September 10, 2012Date of Patent: November 4, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Masahiro Otsuka, Koichi Banno, Akihiro Shiota, Shoichiro Suzuki, Taisuke Kanzaki, Masanori Nakamura
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Patent number: 8748329Abstract: A dielectric ceramic composition that contains, as its main constituent, (Ba1-x-yCaxSry)(Ti1-z-wZrzHfw)O3 (in the formula, 0?x+y?0.2, 0?z+w?0.1), and contains CuO and Bi2O3, and the dielectric ceramic composition has a feature that the total content of the CuO and Bi2O3 is 10 parts by weight or more with respect to 100 parts by weight of the main constituent, and the molar ratio CuO/(CuO+Bi2O3) is 0.5 or less.Type: GrantFiled: December 14, 2012Date of Patent: June 10, 2014Assignee: Murata Manufacturing Co., Ltd.Inventors: Masanori Nakamura, Masahiro Otsuka, Shoichiro Suzuki, Koichi Banno, Taisuke Kanzaki, Akihiro Shiota
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Publication number: 20130342958Abstract: A dielectric ceramic that can be sintered at a sufficiently low temperature and has a desired specific resistance at a high temperature, and a multilayer ceramic electronic component (a multilayer ceramic capacitor and the like) using the dielectric ceramic are provided. The multilayer ceramic capacitor includes a multilayer body having a plurality of laminated dielectric ceramic layers, and a plurality of internal electrodes at interfaces between the dielectric ceramic layers; and external electrodes 8 and 9 on outer surfaces of the multilayer body. The composition of the multilayer body includes a perovskite-type compound containing Ba and Ti (where a part of Ba may be substituted by Ca, and a part of Ti may be substituted by Zr) as a primary ingredient, and further includes M (where M is at least one of Cu, Zn, Li, K, and Na) and Bi. The total content of M and Bi is equal to or greater than 3 molar parts when the total content of Ti and Zr is 100 molar parts.Type: ApplicationFiled: August 27, 2013Publication date: December 26, 2013Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Shoichiro Suzuki, Koichi Banno, Akihiro Shiota, Masahiro Otsuka, Taisuke Kanzaki, Masanori Nakamura
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Patent number: 8552826Abstract: A laminated ceramic electronic component having excellent mechanical characteristics and internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, and low defective rate includes a laminate having a plurality of laminated ceramic layers and a plurality of Al/Cu alloy-containing internal electrodes at specific interfaces between ceramic layers; where the Al/Cu ratio of the Al/Cu alloy is 80/20 or more.Type: GrantFiled: September 5, 2012Date of Patent: October 8, 2013Assignee: Murata Manufacturing Co., Ltd.Inventors: Masanori Nakamura, Masahiro Otsuka, Shoichiro Suzuki, Koichi Banno, Taisuke Kanzaki, Akihiro Shiota
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Patent number: 8531260Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of ceramic material design freedom, low cost, low defective rate and various properties. It includes a laminate of a plurality of laminated ceramic layers and a plurality of internal electrodes at specific interfaces between ceramic layers. The internal electrodes contain an Al/Mg alloy in which the Al/Mg ratio is 65/35 or more.Type: GrantFiled: September 5, 2012Date of Patent: September 10, 2013Assignee: Murata Manufacturing Co., Ltd.Inventors: Akihiro Shiota, Koichi Banno, Masahiro Otsuka, Shoichiro Suzuki, Taisuke Kanzaki, Masanori Nakamura
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Publication number: 20130140946Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and Al/Si alloy-containing internal electrodes at a plurality of specific interface between ceramic layers; and an external electrode formed on the outer surface of the laminate, wherein the Al/Si ratio of the Al/Si alloy is 85/15 or more.Type: ApplicationFiled: September 11, 2012Publication date: June 6, 2013Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Koichi Banno, Shoichiro Suzuki, Masanori Nakamura, Masahiro Otsuka, Taisuke Kanzaki, Akihiro Shiota
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Publication number: 20130002092Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes: a laminate which has a plurality of laminated ceramic layers and Al/Mn alloy internal electrodes at a plurality of specific interfaces between the ceramic layers and an external electrode formed on the outer surface of the laminate, wherein the Al/Mn ratio of the Al/Mn alloy is 80/20 or more.Type: ApplicationFiled: September 11, 2012Publication date: January 3, 2013Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Shoichiro Suzuki, Koichi Banno, Masanori Nakamura, Masahiro Otsuka, Taisuke Kanzaki, Akihiro Shiota
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Publication number: 20120326562Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, low defective rate, and various properties. The laminated ceramic electronic component includes a laminate which has a plurality of laminated ceramic layers and internal electrodes formed along at a plurality of specific interface between the ceramic layers and having an Al/Ti alloy as a component; and an external electrode formed on the outer surface of the laminate. The Al/Ti ratio of the Al/Ti alloy is 91/9 or more.Type: ApplicationFiled: September 6, 2012Publication date: December 27, 2012Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Taisuke Kanzaki, Koichi Banno, Masahiro Otsuka, Shoichiro Suzuki, Akihiro Shiota, Masanori Nakamura
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Publication number: 20120326558Abstract: A laminated ceramic electronic component having excellent mechanical characteristics and internal electrode corrosion resistance, high degree of freedom in ceramic material design, low cost, and low defective rate includes a laminate having a plurality of laminated ceramic layers and a plurality of Al/Cu alloy-containing internal electrodes at specific interfaces between ceramic layers; where the Al/Cu ratio of the Al/Cu alloy is 80/20 or more.Type: ApplicationFiled: September 5, 2012Publication date: December 27, 2012Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Masanori Nakamura, Masahiro Otsuka, Shoichiro Suzuki, Koichi Banno, Taisuke Kanzaki, Akihiro Shiota
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Publication number: 20120326561Abstract: Provided is a laminated ceramic electronic component which has excellent mechanical characteristics, internal electrode corrosion resistance, high degree of ceramic material design freedom, low cost, low defective rate and various properties. It includes a laminate of a plurality of laminated ceramic layers and a plurality of internal electrodes at specific interfaces between ceramic layers. The internal electrodes contain an Al/Mg alloy in which the Al/Mg ratio is 65/35 or more.Type: ApplicationFiled: September 5, 2012Publication date: December 27, 2012Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Akihiro Shiota, Koichi Banno, Masahiro Otsuka, Shoichiro Suzuki, Taisuke Kanzaki, Masanori Nakamura
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Publication number: 20110075318Abstract: A laminated ceramic electronic component has a variety of superior mechanical properties and electrical properties, including a high degree of freedom in the design for ceramic materials, and can be manufactured at low cost and with a low percentage of defective products. The laminated ceramic electronic component includes a laminate including a plurality of stacked ceramic layers and a plurality of internal electrodes containing Al as a main constituent, the internal electrodes being arranged along specific interfaces between the ceramic layers, and external electrodes located on an outer surface of the laminate, wherein surface layer sections of the internal electrodes include an Al2O3 layer.Type: ApplicationFiled: September 23, 2010Publication date: March 31, 2011Applicant: MURATA MANUFACTURING CO., LTD.Inventors: Shoichiro SUZUKI, Koichi BANNO, Masahiro OTSUKA, Masanori NAKAMURA, Seiichi JONO, Taisuke KANZAKI, Akihiro SHIOTA
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Patent number: 7909604Abstract: Root apex position model data associated with electrical characteristic values between a measurement electrode and a mouth electrode in a state in which the distal end of the measurement electrode is located at a root apex position of a root canal is stored in a storage unit. A power supply applies measurement signals of 500 Hz and 2 kHz between the measurement electrode and the mouth electrode. Two different current values flowing between the measurement electrode and the mouth electrode are detected. These current values are compared with the root apex position mode data stored in the storage unit. If the root apex position data includes any data which coincides with the current values, it is detected that the distal end of the measurement electrode is located at the root apex position.Type: GrantFiled: December 9, 2005Date of Patent: March 22, 2011Assignee: Toei Electric Co., Ltd.Inventors: Shigeru Shoji, Masahiro Otsuka
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Publication number: 20080280261Abstract: Methods of detecting a root apex position of a root canal of a test tooth, including applying a plurality of types of measurement signals to one of the measurement electrode and the mouth electrode; sequentially applying each of the plurality of types of measurement signals to one of the measurement electrode and the mouth electrode; sequentially detecting a plurality of electrical characteristic values between the measurement electrode and the mouth electrode based on each of the applied measurement signals using a detection unit. The methods further include obtaining a test tooth data group; comparing the test tooth data group with a plurality of model tooth data groups; detecting whether one of the plurality of model tooth data groups is in a predetermined relationship with the test tooth data group; and displaying the detected result.Type: ApplicationFiled: July 16, 2008Publication date: November 13, 2008Inventors: Shigeru Shoji, Masahiro Otsuka
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Publication number: 20080267590Abstract: In the present invention, there is provided a data processing device that processes a bit stream including at least first data and second data, the device including: a buffer size setting unit configured to set, of a first buffer size of a first buffer and a second buffer size of a second buffer, the first buffer size based on information included in the bit stream, the first buffer temporarily storing the first data and supplying the first data to a first decoder, the second buffer temporarily storing the second data and supplying the second data to a second decoder; and a buffer controller configured to control a buffer size of the first buffer to the first buffer size.Type: ApplicationFiled: April 24, 2008Publication date: October 30, 2008Applicant: Sony CorporationInventor: Masahiro Otsuka
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Patent number: 7381672Abstract: A dielectric ceramic material comprising the composition: 100(Ba1-xCax)mTiO3+aMnO+bCuO+cSiO2+dMgO+eRO (wherein coefficients 100, a, b, c, d, and e each represent mols; m represents the molar ratio of (Ba1-xCax) to Ti; and RO represents at least one rare-earth element oxide selected from Y2O3, La2O3, 2CeO2, Nd2O3, Sm2O3, Eu2O3, Gd2O3, Tb2O3, Dy2O3, Ho2O3, Er2O3, Tm2O3, Yb2O3 and Lu2O3), wherein m, x, a, b, c, d, and e satisfy the relationships: 0.998?m?1.030, 0.04?x?0.15, 0.01?a?5, 0.05?b?5, 0.2?c?8, 0.05?d?3.0, and 0.05?e?2.5, and the dielectric ceramic material has an average grain size of 0.3 ?m to 0.7 ?m, is used to make reliable multilayer ceramic capacitors including dielectric ceramic layers each having a small thickness of about 1 ?m.Type: GrantFiled: January 4, 2007Date of Patent: June 3, 2008Assignee: Murata Manufacturing Co., LtdInventors: Takashi Hiramatsu, Teppei Akiyoshi, Masahiro Otsuka