Patents by Inventor Yasuhiko Fujii

Yasuhiko Fujii 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).

  • Publication number: 20240121138
    Abstract: An electronic control device includes: a first input-output terminal and a second input-output terminal through which differential signals are input and output; a transceiver integrated circuit (IC) that transmits and receives the differential signals; a first line that connects the first input-output terminal and the transceiver IC; and a second line that connects the second input-output terminal and the transceiver IC. A first capacitance that is a capacitance between the first line and a ground is at least 80 pF and at most 220 pF, and a second capacitance that is a capacitance between the second line and the ground is at least 80 pF and at most 220 pF.
    Type: Application
    Filed: February 3, 2022
    Publication date: April 11, 2024
    Inventors: Yoshiyuki SAITO, Takeshi FUJII, Yasuhiko SASAKI, Tomohide KAMIYAMA, Masaya HATTORI
  • Publication number: 20240033979
    Abstract: The present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which can provide a bonded magnet molded product capable of realizing a high magnetic force and a complicated multipolar waveform owing to such a feature that the ferrite particles are readily and highly oriented against an external magnetic field in a flowing resin upon injection molding, as well as a bonded magnet molded product obtained by injection-molding the above composition. According to the present invention, there are provided ferrite particles for bonded magnets which have a crystallite size of not less than 500 nm as measured in an oriented state by XRD, and an average particle diameter of not less than 1.30 ?m as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the composition.
    Type: Application
    Filed: October 13, 2023
    Publication date: February 1, 2024
    Inventors: Yasushi NISHIO, Yasuhiko FUJII, Hiromitsu SAKURAI
  • Patent number: 11823823
    Abstract: According to the present invention, there are provided ferrite particles for bonded magnets and a resin composition for bonded magnets which are capable of producing a bonded magnet molded product having a good tensile elongation and exhibiting excellent magnetic properties, as well as a bonded magnet molded product such as a rotor which is obtained by using the resin composition. The present invention relates to ferrite particles for bonded magnets having a bulk density of not less than 0.5 g/cm3 and less than 0.6 g/cm3 and a degree of compaction of not less than 65%, a resin composition for bonded magnets using the ferrite particles, and a molded product obtained by using the ferrite particles and the resin composition.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: November 21, 2023
    Assignee: TODA KOGYO CORPORATION
    Inventors: Yasushi Nishio, Hiromitsu Sakurai, Norihiro Fukushina, Yasuhiko Fujii
  • Patent number: 11820055
    Abstract: The present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which can provide a bonded magnet molded product capable of realizing a high magnetic force and a complicated multipolar waveform owing to such a feature that the ferrite particles are readily and highly oriented against an external magnetic field in a flowing resin upon injection molding, as well as a bonded magnet molded product obtained by injection-molding the above composition. According to the present invention, there are provided ferrite particles for bonded magnets which have a crystallite size of not less than 500 nm as measured in an oriented state by XRD, and an average particle diameter of not less than 1.30 ?m as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the composition.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: November 21, 2023
    Assignee: TODA KOGYO CORP.
    Inventors: Yasushi Nishio, Yasuhiko Fujii, Hiromitsu Sakurai
  • Publication number: 20230078224
    Abstract: According to the present invention, there are provided ferrite particles for bonded magnets and a resin composition for bonded magnets which are capable of producing a bonded magnet molded product having a good tensile elongation and exhibiting excellent magnetic properties, as well as a bonded magnet molded product such as a rotor which is obtained by using the resin composition. The present invention relates to ferrite particles for bonded magnets having a bulk density of not less than 0.5 g/cm3 and less than 0.6 g/cm3 and a degree of compaction of not less than 65%, a resin composition for bonded magnets using the ferrite particles, and a molded product obtained by using the ferrite particles and the resin composition.
    Type: Application
    Filed: November 10, 2022
    Publication date: March 16, 2023
    Inventors: Yasushi NISHIO, Hiromitsu SAKURAI, Norihiro FUKUSHINA, Yasuhiko FUJII
  • Patent number: 11228106
    Abstract: The present invention relates to an electronic component, and also relates to an antenna for information communication using a magnetic field component, which is capable of satisfying both of downsizing and improvement in communication sensitivity. The electronic component of the present invention comprises a ferrite core and a coil, in which a ferrite constituting the ferrite core has a spinel structure and comprises Fe, Ni, Zn, Cu and Co as constitutional metal elements, and when contents of the respective constitutional metal elements in the ferrite are calculated in terms of Fe2O3, NiO, ZnO, CuO and CoO, contents of Fe2O3, NiO, ZnO, CuO and CoO in the ferrite are 46 to 50 mol %, 20 to 27 mol %, 15 to 22 mol %, 9 to 11 mol % and 0.01 to 1.0 mol %, respectively, based on a total content of Fe2O3, NiO, ZnO, CuO and CoO.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: January 18, 2022
    Assignee: TODA KOGYO CORPORATION
    Inventors: Satoshi Nomura, Jun Koujima, Yasushi Nishio, Manato Nakatsukasa, Yasuhiko Fujii
  • Publication number: 20210292283
    Abstract: A compound represented by Formula (I): wherein or the like Y1 is O or the like; Z1 is C(R4) or N; Z2a is C(R5a) or the like; Z3a is C(R6) or the like; R4, R5a and R6 are each independently a hydrogen atom or the like; R1 is substituted or unsubstituted aromatic carbocyclyl or the like; R2a, R2b, R2c and R2d are each independently a hydrogen atom or the like; X is N(R7a) or the like; R7a is a hydrogen atom or the like; R3 is or the like Ring B is a 6-membered aromatic carbocycle or the like; R9a and R10a are each independently halogen or the like; n is an integer from 1 to 5; m is an integer from 0 to 4; and p 1 is an integer from 0 to 3, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 27, 2021
    Publication date: September 23, 2021
    Applicant: Shionogi & Co., Ltd.
    Inventors: Satoru TANAKA, Tomoyuki OGAWA, Hiroyuki KAI, Yuki OGATA, Keiichiro HIRAI, Noriyuki KUROSE, Yasuhiko FUJII
  • Publication number: 20200262796
    Abstract: A compound represented by Formula (I): Chemical Formula 1 wherein Chemical Formula 2 or the like Y1 is O or the like; Z1 is C(R4) or N; Z2a is C(R5a) or the like; Z3a is C(R6) or the like; R4, R5a and R6 are each independently a hydrogen atom or the like; R1 is substituted or unsubstituted aromatic carbocyclyl or the like; R2a, R2b, R2c and R2d are each independently a hydrogen atom or the like; X is N(R7a) or the like; R7a is a hydrogen atom or the like; R3 is Chemical Formula 3 or the like Ring B is a 6-membered aromatic carbocycle or the like; R9a and R10a are each independently halogen or the like; n is an integer from 1 to 5; m is an integer from 0 to 4; and p is an integer from 0 to 3, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 17, 2020
    Publication date: August 20, 2020
    Applicant: Shionogi & Co., Ltd.
    Inventors: Satoru TANAKA, Tomoyuki OGAWA, Hiroyuki KAI, Yuki OGATA, Keiichiro HIRAI, Noriyuki KUROSE, Yasuhiko FUJII
  • Publication number: 20190393605
    Abstract: The present invention relates to an electronic component, and also relates to an antenna for information communication using a magnetic field component, which is capable of satisfying both of downsizing and improvement in communication sensitivity. The electronic component of the present invention comprises a ferrite core and a coil, in which a ferrite constituting the ferrite core has a spinel structure and comprises Fe, Ni, Zn, Cu and Co as constitutional metal elements, and when contents of the respective constitutional metal elements in the ferrite are calculated in terms of Fe2O3, NiO, ZnO, CuO and CoO, contents of Fe2O3, NiO, ZnO, CuO and CoO in the ferrite are 46 to 50 mol %, 20 to 27 mol %, 15 to 22 mol %, 9 to 11 mol % and 0.01 to 1.0 mol %, respectively, based on a total content of Fe2O3, NiO, ZnO, CuO and CoO.
    Type: Application
    Filed: January 29, 2018
    Publication date: December 26, 2019
    Inventors: Satoshi NOMURA, Jun KOUJIMA, Yasushi NISHIO, Manato NAKATSUKASA, Yasuhiko FUJII
  • Patent number: 10497498
    Abstract: The object of the present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which is capable of obtaining a bonded magnet molded product having a good magnetic force and a magnetic waveform as well as high iHc and Hk by injection molding. The present invention aims at providing a bonded magnet molded product using the ferrite particles and the resin composition. The aforementioned object of the present invention can be achieved by ferrite particles for bonded magnets which have a crystal distortion of not more than 0.14 as measured by XRD, and an average particle diameter of not less than 1.30 ?m as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the resin composition.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: December 3, 2019
    Assignee: TODA KOGYO CORP.
    Inventors: Yasushi Nishio, Satoshi Nomura, Yasuhiko Fujii, Hiromitsu Sakurai
  • Patent number: 10128029
    Abstract: An object or technical task of the present invention is to provide a ferrite sintered sheet having a dense ferrite microfine structure which has a large ?? value, a small ?? value, and a small temperature-dependent change of the ?? value thereof. The present invention relates to a ferrite ceramics having a composition comprising 47.5 to 49.8 mol % of Fe2O3, 13.5 to 19.5 mol % of NiO, 21 to 27 mol % of ZnO, 7.5 to 12.5 mol % of CuO and 0.2 to 0.8 mol % of CoO, all of the molar amounts being calculated in terms of the respective oxides, the ferrite ceramics further comprising 0.2 to 1.4% by weight of SnO2 and 0.005 to 0.03% by weight of S and having a density of 5.05 to 5.30 g/cm3; and a ferrite sintered sheet comprising the ferrite sintered plate on a surface of which a groove or grooves are formed, and an adhesive layer and/or a protective layer formed on the ferrite sintered plate.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: November 13, 2018
    Assignee: TODA KOGYO CORP.
    Inventors: Yoji Okano, Tomohiro Dote, Makoto Sadai, Shingo Honda, Katsumi Nakai, Yasuhiko Fujii
  • Publication number: 20180118694
    Abstract: A compound represented by Formula (I): wherein or the like Y1 is O or the like; Z1 is C(R4) or N; Z2a is C(R5a) or the like; Z3a is C(R6) or the like; R4, R5a and R6 are each independently a hydrogen atom or the like; R1 is substituted or unsubstituted aromatic carbocyclyl or the like; R2a, R2b, R2c and R2d are each independently a hydrogen atom or the like; X is N(R7a) or the like; R7a is a hydrogen atom or the like; R3 is or the like Ring B is a 6-membered aromatic carbocycle or the like; R9a and R10a are each independently halogen or the like; n is an integer from 1 to 5; m is an integer from 0 to 4; and p1 is an integer from 0 to 3, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 22, 2016
    Publication date: May 3, 2018
    Applicant: Shionogi & Co., Ltd.
    Inventors: Satoru TANAKA, Tomoyuki OGAWA, Hiroyuki KAI, Yuki OGATA, Keiichiro HIRAI, Noriyuki KUROSE, Yasuhiko FUJII
  • Publication number: 20170221619
    Abstract: The object of the present invention relates to ferrite particles for bonded magnets and a resin composition for bonded magnets which is capable of obtaining a bonded magnet molded product having a good magnetic force and a magnetic waveform as well as high iHc and Hk by injection molding. The present invention aims at providing a bonded magnet molded product using the ferrite particles and the resin composition. The aforementioned object of the present invention can be achieved by ferrite particles for bonded magnets which have a crystal distortion of not more than 0.14 as measured by XRD, and an average particle diameter of not less than 1.30 ?m as measured by Fisher method; a resin composition for bonded magnets; and a molded product obtained by injection-molding the resin composition.
    Type: Application
    Filed: September 29, 2015
    Publication date: August 3, 2017
    Applicant: TODA KOGYO CORP.
    Inventors: Yasushi NISHIO, Satoshi NOMURA, Yasuhiko FUJII, Hiromitsu SAKURAI
  • Patent number: 9718790
    Abstract: The present invention provides novel compounds having a P2X3 and/or P2X2/3 receptor antagonistic effect. A pharmaceutical composition having an analgesic effect or an improving effect of urination disorder comprising a compound of the formula (I): wherein Rh and Ri are taken together to form a bond; Ra and Rb and/or Rd and Re are taken together to form oxo or the like; Rc is hydrogen, substituted or unsubstituted alkyl or the like; Rf is —(CR4aR4b)n—R2; R4a and R4b are hydrogen, substituted or unsubstituted alkyl or the like; R2 is substituted or unsubstjtuted cycloalkyl or the like; n is an integer of 1 to 4; —Rg is —X—R3; —X— is —O—, —S— or the like; R3 is substituted or unsubstituted cycloalkyl or the like, or its pharmaceutically acceptable salt or a solvate thereof.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: August 1, 2017
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Hiroyuki Kai, Tohru Horiguchi, Kentaro Asahi, Yasuhiko Fujii
  • Patent number: 9691528
    Abstract: The present invention relates to ferrite particles for bonded magnets having a bulk density of not more than 0.75 g/cm3 and a degree of compaction of not less than 65%, a resin composition for bonded magnets using the ferrite particles and the composition, and a rotor. The ferrite particles for bonded magnets and the resin composition for bonded magnets according to the present invention are capable of providing a bonded magnet molded product having a good tensile elongation and an excellent magnetic properties.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 27, 2017
    Assignee: TODA KOGYO CORP.
    Inventors: Yasushi Nishio, Hiromitsu Sakurai, Norihiro Fukushina, Yasuhiko Fujii
  • Patent number: 9607741
    Abstract: The present invention relates to ferrite particles for bonded magnet, having a volume-average particle diameter of 2.1 to 2.7 ?m and a particle diameter ×90 of 4.3 to 5.4 ?m wherein the ×90 represents a particle diameter at which a cumulative percentage of particles under sieve (undersize particles) based on a volume thereof is 90%, when determined from a particle size distribution thereof measured by using a laser diffraction type particle size distribution measuring apparatus.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: March 28, 2017
    Assignee: TODA KOGYO CORPORATION
    Inventors: Yasuhiko Fujii, Minoru Ohsugi, Yasushi Nishio, Yosuke Koyama, Shigeru Takaragi
  • Publication number: 20160284453
    Abstract: An object or technical task of the present invention is to provide a ferrite sintered sheet having a dense ferrite microfine structure which has a large ?? value, a small ?? value, and a small temperature-dependent change of the ?? value thereof. The present invention relates to a ferrite ceramics having a composition comprising 47.5 to 49.8 mol % of Fe2O3, 13.5 to 19.5 mol % of NiO, 21 to 27 mol % of ZnO, 7.5 to 12.5 mol % of CuO and 0.2 to 0.8 mol % of CoO, all of the molar amounts being calculated in terms of the respective oxides, the ferrite ceramics further comprising 0.2 to 1.4% by weight of SnO2 and 0.005 to 0.03% by weight of S and having a density of 5.05 to 5.30 g/cm3; and a ferrite sintered sheet comprising the ferrite sintered plate on a surface of which a groove or grooves are formed, and an adhesive layer and/or a protective layer formed on the ferrite sintered plate.
    Type: Application
    Filed: October 30, 2014
    Publication date: September 29, 2016
    Inventors: Yoji OKANO, Tomohiro DOTE, Makoto SADAI, Shingo HONDA, Katsumi NAKAI, Yasuhiko FUJII
  • Publication number: 20160276079
    Abstract: An object of the present invention is to provide a power transmission device for a non-contact power feeder system which has high power transmission efficiency and high impact resistance. The above object of the present invention can be achieved by a soft magnetic ferrite resin composition molded product comprising a filler and a binder, in which the filler comprises soft magnetic ferrite particles having an average particle diameter of 5 to 35 ?m, the binder comprises at least one material selected from the group consisting of a thermoplastic resin and a soft polyolefin resin, and the soft magnetic ferrite resin composition molded product has a molding density of 3.2 to 4.7 g/cm3 and a magnetic permeability of 5 to 15, and a power transmission device for a non-contact power feeder system which comprises the above soft magnetic ferrite resin composition molded product.
    Type: Application
    Filed: October 30, 2014
    Publication date: September 22, 2016
    Inventors: Kazushi NISHIMOTO, Yoji OKANO, Hiromitsu SAKURAI, Kazumi YAMAMOTO, Tomohiro DOTE, Yasushi NISHIO, Yasuhiko FUJII
  • Publication number: 20160215145
    Abstract: The present invention provides an infrared reflecting black pigment comprising no harmful elements such as Cr6+ and the like, which exhibits excellent infrared reflecting properties and acid resistance. The present invention relates to an infrared reflecting black pigment that comprises a composite oxide comprising Cu and Zn or a composite oxide comprising Cu, Zn and Al, and has a blackness (L* value) of not more than 29 and a near infrared reflectance of not less than 40%, as well as a paint and a resin composition using the infrared reflecting black pigment.
    Type: Application
    Filed: August 29, 2014
    Publication date: July 28, 2016
    Inventors: Shinsuke MARUYAMA, Minoru KOUZAWA, Toyoaki TETSUOKA, Kazumitsu SHIMANE, Kozo WATANABE, Yasuhiko FUJII
  • Publication number: 20160217892
    Abstract: According to the present invention, there are provided ferrite particles for bonded magnets and a resin composition for bonded magnets which are capable of producing a bonded magnet molded product having a good tensile elongation and exhibiting excellent magnetic properties, as well as a bonded magnet molded product such as a rotor which is obtained by using the resin composition. The present invention relates to ferrite particles for bonded magnets having a bulk density of not less than 0.5 g/cm3 and less than 0.6 g/cm3 and a degree of compaction of not less than 65%, a resin composition for bonded magnets using the ferrite particles, and a molded product obtained by using the ferrite particles and the resin composition.
    Type: Application
    Filed: September 30, 2014
    Publication date: July 28, 2016
    Inventors: Yasushi NISHIO, Hiromitsu SAKURAI, Norihiro FUKUSHINA, Yasuhiko FUJII