Patents Assigned to Soshin Electric Co., Ltd.
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Publication number: 20240170825Abstract: This filter comprises: a dielectric substrate; a plurality of resonators that are formed inside the dielectric substrate, and for which the periphery is surrounded by a shielding conductor; and input/output terminals that are formed at a portion at which the shielding conductor is not formed. The resonator closest to the input/output terminal of the plurality of resonators and the resonator that is closest to the input/output terminal of the plurality of resonators are in a point-symmetrical positional relationship.Type: ApplicationFiled: February 28, 2022Publication date: May 23, 2024Applicant: SOSHIN ELECTRIC CO., LTD.Inventors: Yoshiharu IMAI, Yuichi MIYATA, Genta NISHIO, Shun SUZUKI, Kazuya ADACHI, Hiroyuki ISONO, Kazuma KOSAKA
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Patent number: 11742558Abstract: The present invention provides a small-sized filter which has good characteristics. A filter according to the present invention comprises: a resonator which has a via electrode part that is formed within a dielectric substrate and a first strip line that is connected to one end of the via electrode part, while facing a first shielding conductor among a plurality of shielding conductors that are formed so as to surround the via electrode part; an input/output terminal which is coupled to a second shielding conductor among the plurality of shielding conductors; and a first capacitor electrode pattern which is coupled to the input/output terminal. The first capacitor electrode pattern is capacitively coupled to the first strip line or a second capacitor electrode pattern that is connected to the via electrode part.Type: GrantFiled: July 23, 2019Date of Patent: August 29, 2023Assignee: Soshin Electric Co., LtdInventor: Keisuke Ogawa
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Patent number: 11626651Abstract: Provided is a filter capable of suppressing variation in characteristics. A filter has: a plurality of resonators each having a via electrode and a first strip line that is opposed to a first shielding conductor and connected to one end of the via electrode; a first coupling capacitive electrode that has a first comb-shaped electrode including a plurality of first electrodes and that is provided to the first resonator; and a second coupling capacitive electrode that is provided to the second resonator, that has a second comb-shaped electrode including a plurality of second electrodes, and that is formed on the same layer as that of the first coupling capacitive electrode, wherein the first and second electrodes are arranged so as to be adjacent to each other.Type: GrantFiled: November 1, 2019Date of Patent: April 11, 2023Assignee: Soshin Electric Co., LtdInventors: Keisuke Ogawa, Hitoshi Makino
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Patent number: 11605871Abstract: Provided are a resonator having a good Q value and a filter using the resonator. The resonator has: a via electrode portion formed inside a dielectric substrate; a plurality of shielding conductors formed on the dielectric substrate to surround the via electrode portion; a first strip line which is connected to one end of the via electrode portion in the dielectric substrate and faces a first shielding conductor among the plurality of shielding conductors; and a second strip line which is connected to the other end of the via electrode portion in the dielectric substrate and faces a second shielding conductor among the plurality of shielding conductors.Type: GrantFiled: June 12, 2019Date of Patent: March 14, 2023Assignee: Soshin Electric Co., LtdInventor: Keisuke Ogawa
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Patent number: 11469483Abstract: The present invention provides a compact filter with excellent characteristics. This filter has a plurality of resonators, each of which having: via electrode parts formed inside a dielectric substrate; and a first strip line that faces a first shielding conductor of a plurality of shielding conductors formed so as to surround the via electrode parts, the first strip line being connected to one end of the via electrode parts. The positions of the via electrode parts of the first resonator of the plurality of resonators, and the positions of the via electrode parts of the second resonator, which is adjacent to the first resonator, are mutually offset in a first direction (X), which is the longitudinal direction of the first strip line.Type: GrantFiled: October 1, 2019Date of Patent: October 11, 2022Assignee: Soshin Electric Co., Ltd.Inventor: Keisuke Ogawa
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Publication number: 20220131522Abstract: Provided are a resonator and a filter that exhibit preferable characteristics. This resonator has: a via electrode which is formed within a dielectric substrate; a plurality of shielded conductors which are formed in the dielectric substrate so as to surround the via electrode; and a strip line which is connected to the via electrode inside the dielectric substrate and which is disposed so as to at least face the shielded conductors, wherein, of the plurality of shielded conductors, one that is connected to a short-circuited end of the via electrode is capacitatively coupled, across a spacing, to a first input/output terminal and a second input/output terminal.Type: ApplicationFiled: February 3, 2020Publication date: April 28, 2022Applicant: Soshin Electric Co., Ltd.Inventor: Keisuke OGAWA
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Publication number: 20220037755Abstract: The present invention provides a compact filter with excellent characteristics. This filter has a plurality of resonators, each of which having: via electrode parts formed inside a dielectric substrate; and a first strip line that faces a first shielding conductor of a plurality of shielding conductors formed so as to surround the via electrode parts, the first strip line being connected to one end of the via electrode parts. The positions of the via electrode parts of the first resonator of the plurality of resonators, and the positions of the via electrode parts of the second resonator, which is adjacent to the first resonator, are mutually offset in a first direction (X), which is the longitudinal direction of the first strip line.Type: ApplicationFiled: October 1, 2019Publication date: February 3, 2022Applicant: Soshin Electric Co., Ltd.Inventor: Keisuke OGAWA
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Publication number: 20220006170Abstract: Provided is a filter capable of suppressing variation in characteristics. A filter has: a plurality of resonators each having a via electrode and a first strip line that is opposed to a first shielding conductor and connected to one end of the via electrode; a first coupling capacitive electrode that has a first comb-shaped electrode including a plurality of first electrodes and that is provided to the first resonator; and a second coupling capacitive electrode that is provided to the second resonator, that has a second comb-shaped electrode including a plurality of second electrodes, and that is formed on the same layer as that of the first coupling capacitive electrode, wherein the first and second electrodes are arranged so as to be adjacent to each other.Type: ApplicationFiled: November 1, 2019Publication date: January 6, 2022Applicant: Soshin Electric Co., Ltd.Inventors: Keisuke OGAWA, Hitoshi MAKINO
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Publication number: 20210296748Abstract: The present invention provides a small-sized filter which has good characteristics. A filter according to the present invention comprises: a resonator which has a via electrode part that is formed within a dielectric substrate and a first strip line that is connected to one end of the via electrode part, while facing a first shielding conductor among a plurality of shielding conductors that are formed so as to surround the via electrode part; an input/output terminal which is coupled to a second shielding conductor among the plurality of shielding conductors; and a first capacitor electrode pattern which is coupled to the input/output terminal. The first capacitor electrode pattern is capacitively coupled to the first strip line or a second capacitor electrode pattern that is connected to the via electrode part.Type: ApplicationFiled: July 23, 2019Publication date: September 23, 2021Applicant: Soshin Electric Co., Ltd.Inventor: Keisuke OGAWA
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Patent number: 11038251Abstract: This resonator has a via electrode part that is formed in a dielectric substrate; a plurality of shielding conductors that are formed so as to surround the via electrode part in the dielectric substrate; and a strip line that is connected to the via electrode part in the dielectric substrate and opposed to at least the shielding conductors, wherein a first input/output terminal and a second input/output terminal are connected to one of the shielding conductors to which a short-circuit end of the via electrode part is connected.Type: GrantFiled: September 27, 2017Date of Patent: June 15, 2021Assignee: Soshin Electric Co., Ltd.Inventor: Hiroto Motoyama
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Publication number: 20210159582Abstract: Provided are a resonator having a good Q value and a filter using the resonator. The resonator has: a via electrode portion formed inside a dielectric substrate; a plurality of shielding conductors formed on the dielectric substrate to surround the via electrode portion; a first strip line which is connected to one end of the via electrode portion in the dielectric substrate and faces a first shielding conductor among the plurality of shielding conductors; and a second strip line which is connected to the other end of the via electrode portion in the dielectric substrate and faces a second shielding conductor among the plurality of shielding conductors.Type: ApplicationFiled: June 12, 2019Publication date: May 27, 2021Applicant: Soshin Electric Co., Ltd.Inventor: Keisuke OGAWA
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Publication number: 20200176851Abstract: This resonator has a via electrode part that is formed in a dielectric substrate; a plurality of shielding conductors that are formed so as to surround the via electrode part in the dielectric substrate; and a strip line that is connected to the via electrode part in the dielectric substrate and opposed to at least the shielding conductors, wherein a first input/output terminal and a second input/output terminal are connected to one of the shielding conductors to which a short-circuit end of the via electrode part is connected.Type: ApplicationFiled: September 27, 2017Publication date: June 4, 2020Applicant: Soshin Electric Co., Ltd.Inventor: Hiroto MOTOYAMA
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Patent number: 8797118Abstract: A first passive component includes one unbalanced line having one unbalance input terminal, one balanced line installed opposite to the unbalanced line and having two balanced output terminals (first balanced output terminal and second balanced output terminal), and a capacitor formed between the balanced line and a fixed potential (e.g. the ground potential). Furthermore, the relation d1>d2 is satisfied, where d1 is the physical length of the unbalanced line and d2 is the physical length of the balanced line.Type: GrantFiled: September 28, 2009Date of Patent: August 5, 2014Assignee: Soshin Electric Co., Ltd.Inventors: Masaki Urano, Hirotaka Takeuchi
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Patent number: 8780525Abstract: This capacitor has: a single capacitor block provided with a plurality of capacitor elements electrically connected in parallel, each of said capacitor elements having a terminal part on each end; a first electrode plate that electrically connects the first terminal parts of the capacitor elements; a second electrode plate that electrically connects the second terminal parts of the capacitor elements and continues on to the side where the first terminal parts are; and at least one bypass electrode plate that electrically bypasses the second electrode plate.Type: GrantFiled: June 7, 2012Date of Patent: July 15, 2014Assignee: Soshin Electric Co., Ltd.Inventors: Takeharu Yoda, Kenichi Tateyama, Kiyokazu Yanagihashi, Yoshikuni Kato
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Publication number: 20140126107Abstract: This capacitor has: a single capacitor block provided with a plurality of capacitor elements electrically connected in parallel, each of said capacitor elements having a terminal part on each end; a first electrode plate that electrically connects the first terminal parts of the capacitor elements; a second electrode plate that electrically connects the second terminal parts of the capacitor elements and continues on to the side where the first terminal parts are; and at least one bypass electrode plate that electrically bypasses the second electrode plate.Type: ApplicationFiled: June 7, 2012Publication date: May 8, 2014Applicant: SOSHIN ELECTRIC CO., LTD.Inventors: Takeharu Yoda, Kenichi Tateyama, Kiyokazu Yanagihashi, Yoshikuni Kato
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Publication number: 20140022047Abstract: This electric power fuse has a fuse element that is formed continuously and integrally by a plurality of heat dissipating parts formed from a conductive film by the conductive film being formed on a ceramic substrate and a plurality of isolating parts. The conductive film is constituted of printed layers formed by printing one or more times on the surface of the ceramic substrate, and the number of laminations of printed layers formed in the heat dissipating parts is greater than or equal to the number of laminations of the printed layers constituting the isolating parts.Type: ApplicationFiled: April 20, 2012Publication date: January 23, 2014Applicants: National University Corporation Saitama University, Soshin Electric Co., Ltd.Inventors: Akira Ando, Shinichi Kobayashi
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Patent number: 8563871Abstract: It is provided a composite electronic part having magnetic material and dielectric material and made by co-sintering at a temperature of 1000° C. or lower. The magnetic material comprises a ferrite comprising 46 to 48 mol % of Fe2O3, 0.1 to 36 mol % of ZnO, 10 to 14 mol % of CuO and the balance being NiO. The dielectric material has a dielectric constant of 1000 or higher, and comprises a barium titanate based dielectric material to which 0.5 to 4.0 weight parts of CuO and 4.0 to 9.0 weight parts of Bi2O3 are added with respect to 100 weight parts of the barium titanate based dielectric material.Type: GrantFiled: February 9, 2011Date of Patent: October 22, 2013Assignees: Soshin Electric Co., Ltd., NGK Insulators, Ltd.Inventors: Yukio Isowaki, Tomoyuki Hasegawa, Hiroyuki Maruta, Tadashi Otagiri
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Patent number: 8562851Abstract: A ferrite material and an electronic component which employs sintered ferrite formed from the ferrite material. The ferrite material is obtained by adding, as minor ingredients, 0.06-0.50 parts by weight of bismuth oxide in terms of Bi2O3, 0.11-0.90 parts by weight of titanium oxide in terms of TiO2, and 0.06-0.46 parts by weight of barium oxide in terms of BaO to a ferrite powder comprising iron oxide, copper oxide, zinc oxide, and nickel oxide as major ingredients. The weight ratio among the bismuth oxide, the titanium oxide, and the barium oxide is as follows: when the proportion of the bismuth oxide in terms of Bi2O3 is taken as 1.00, then the proportion of the titanium oxide in terms of TiO2 is 1.08-2.72 and that of the barium oxide in terms of BaO is 0.72-1.20.Type: GrantFiled: March 25, 2010Date of Patent: October 22, 2013Assignees: Soshin Electric Co., Ltd., NGK Insulators, Ltd.Inventors: Yui Kumura, Yukio Isowaki, Tadashi Otagiri
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Patent number: 8558639Abstract: Provided is a high frequency switch wherein first switch circuits, each of which includes a first PIN diode, are connected in parallel to one or more first ?/4 signal transmitting paths which transmit transmitting signals, and second switch circuits, each of which includes a second PIN diode, are connected in parallel to one or more second ?/4 signal transmitting paths which transmit receiving signals to a receiving terminal. A first control voltage is applied to the cathode of the first PIN diode, and a second control voltage is applied to the cathode of the second PIN diode. Furthermore, a biasing circuit which applies a constant bias voltage is connected to each anode of the first PIN diode and the second PIN diode.Type: GrantFiled: September 28, 2009Date of Patent: October 15, 2013Assignee: Soshin Electric Co., Ltd.Inventor: Akira Ando
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Patent number: 8456256Abstract: An electronic component and a passive component define correlation between a distance between a pair of identical patterns and a distance between pairs of identical patterns adjacent to each other in a laminating direction, and a value of an inductor is further improved, attenuation in adjacent frequency bands is ensured and low power consumption is achieved with low loss. A first inductor is composed of a pair of inductor forming electrodes, a pair of inductor forming electrodes and a pair of inductor forming electrodes. A relationship between a distance (Da) between the two electrodes configuring each pair of inductor forming electrodes and a distance (Db) between the pairs of inductor forming electrodes adjacent to each other in the laminating direction satisfy the following inequalities; 0<Da?Db and 0<Da?20 ?m.Type: GrantFiled: October 30, 2008Date of Patent: June 4, 2013Assignee: Soshin Electric Co., Ltd.Inventor: Kouhei Takase