Patents Assigned to Soshin Electric Co., Ltd.
  • Publication number: 20240170825
    Abstract: 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: Application
    Filed: February 28, 2022
    Publication date: May 23, 2024
    Applicant: SOSHIN ELECTRIC CO., LTD.
    Inventors: Yoshiharu IMAI, Yuichi MIYATA, Genta NISHIO, Shun SUZUKI, Kazuya ADACHI, Hiroyuki ISONO, Kazuma KOSAKA
  • Patent number: 11742558
    Abstract: 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: Grant
    Filed: July 23, 2019
    Date of Patent: August 29, 2023
    Assignee: Soshin Electric Co., Ltd
    Inventor: Keisuke Ogawa
  • Patent number: 11626651
    Abstract: 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: Grant
    Filed: November 1, 2019
    Date of Patent: April 11, 2023
    Assignee: Soshin Electric Co., Ltd
    Inventors: Keisuke Ogawa, Hitoshi Makino
  • Patent number: 11605871
    Abstract: 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: Grant
    Filed: June 12, 2019
    Date of Patent: March 14, 2023
    Assignee: Soshin Electric Co., Ltd
    Inventor: Keisuke Ogawa
  • Patent number: 11469483
    Abstract: 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: Grant
    Filed: October 1, 2019
    Date of Patent: October 11, 2022
    Assignee: Soshin Electric Co., Ltd.
    Inventor: Keisuke Ogawa
  • Publication number: 20220131522
    Abstract: 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: Application
    Filed: February 3, 2020
    Publication date: April 28, 2022
    Applicant: Soshin Electric Co., Ltd.
    Inventor: Keisuke OGAWA
  • Publication number: 20220037755
    Abstract: 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: Application
    Filed: October 1, 2019
    Publication date: February 3, 2022
    Applicant: Soshin Electric Co., Ltd.
    Inventor: Keisuke OGAWA
  • Publication number: 20220006170
    Abstract: 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: Application
    Filed: November 1, 2019
    Publication date: January 6, 2022
    Applicant: Soshin Electric Co., Ltd.
    Inventors: Keisuke OGAWA, Hitoshi MAKINO
  • Publication number: 20210296748
    Abstract: 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: Application
    Filed: July 23, 2019
    Publication date: September 23, 2021
    Applicant: Soshin Electric Co., Ltd.
    Inventor: Keisuke OGAWA
  • Patent number: 11038251
    Abstract: 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: Grant
    Filed: September 27, 2017
    Date of Patent: June 15, 2021
    Assignee: Soshin Electric Co., Ltd.
    Inventor: Hiroto Motoyama
  • Publication number: 20210159582
    Abstract: 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: Application
    Filed: June 12, 2019
    Publication date: May 27, 2021
    Applicant: Soshin Electric Co., Ltd.
    Inventor: Keisuke OGAWA
  • Publication number: 20200176851
    Abstract: 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: Application
    Filed: September 27, 2017
    Publication date: June 4, 2020
    Applicant: Soshin Electric Co., Ltd.
    Inventor: Hiroto MOTOYAMA
  • Patent number: 8797118
    Abstract: 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: Grant
    Filed: September 28, 2009
    Date of Patent: August 5, 2014
    Assignee: Soshin Electric Co., Ltd.
    Inventors: Masaki Urano, Hirotaka Takeuchi
  • Patent number: 8780525
    Abstract: 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: Grant
    Filed: June 7, 2012
    Date of Patent: July 15, 2014
    Assignee: Soshin Electric Co., Ltd.
    Inventors: Takeharu Yoda, Kenichi Tateyama, Kiyokazu Yanagihashi, Yoshikuni Kato
  • Publication number: 20140126107
    Abstract: 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: Application
    Filed: June 7, 2012
    Publication date: May 8, 2014
    Applicant: SOSHIN ELECTRIC CO., LTD.
    Inventors: Takeharu Yoda, Kenichi Tateyama, Kiyokazu Yanagihashi, Yoshikuni Kato
  • Publication number: 20140022047
    Abstract: 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: Application
    Filed: April 20, 2012
    Publication date: January 23, 2014
    Applicants: National University Corporation Saitama University, Soshin Electric Co., Ltd.
    Inventors: Akira Ando, Shinichi Kobayashi
  • Patent number: 8563871
    Abstract: 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: Grant
    Filed: February 9, 2011
    Date of Patent: October 22, 2013
    Assignees: Soshin Electric Co., Ltd., NGK Insulators, Ltd.
    Inventors: Yukio Isowaki, Tomoyuki Hasegawa, Hiroyuki Maruta, Tadashi Otagiri
  • Patent number: 8562851
    Abstract: 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: Grant
    Filed: March 25, 2010
    Date of Patent: October 22, 2013
    Assignees: Soshin Electric Co., Ltd., NGK Insulators, Ltd.
    Inventors: Yui Kumura, Yukio Isowaki, Tadashi Otagiri
  • Patent number: 8558639
    Abstract: 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: Grant
    Filed: September 28, 2009
    Date of Patent: October 15, 2013
    Assignee: Soshin Electric Co., Ltd.
    Inventor: Akira Ando
  • Patent number: 8456256
    Abstract: 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: Grant
    Filed: October 30, 2008
    Date of Patent: June 4, 2013
    Assignee: Soshin Electric Co., Ltd.
    Inventor: Kouhei Takase