Patents by Inventor Michio Oshima

Michio Oshima 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).

  • Patent number: 11842854
    Abstract: A ceramic electronic device includes: a ceramic main body having a parallelepiped shape in which edges of first internal electrode layers are led out to a first edge face and edges of second internal electrode layer are led out to a second edge face facing the first edge face; and external electrodes respectively formed on the first edge face and the second edge face and extending to at least one side face of the ceramic main body, wherein a distance in a length direction between first conductive layers of the respective external electrodes on the at least one side face is shorter between locations corresponding to corner portions of the ceramic main body, respectively, than between center portions of the first conductive layers of the respective external electrodes in a width direction orthogonal to the length direction on the at least one side face.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: December 12, 2023
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Tomoaki Nakamura, Mikio Tahara, Michio Oshima, Hiroaki Uenishi, Takehiko Kamobe
  • Publication number: 20230290573
    Abstract: A ceramic electronic device includes a multilayer chip having a plurality of dielectric layers and a plurality of internal electrode layers so as to face each other, each of the plurality of internal electrode layers being stacked via each of the plurality of dielectric layers, an external electrode that is provided on an end face of the multilayer chip, contacts each end of at least a part of the plurality of internal electrode layers, and includes a co-material, the end face being an end of the multilayer chip in a direction in which the plurality of internal electrode layers extend, and a projection portion that is provided between the external electrode and the multilayer chip and has a projection shape toward the external electrode from the multilayer chip. A main component of the projection portion is ceramic including at least Ba, Ca and Ti.
    Type: Application
    Filed: February 16, 2023
    Publication date: September 14, 2023
    Inventors: Keigo NAKAMURA, Michio OSHIMA, Shunya FUKUDA, Jyouji ARIGA, Yoshinori SHIBATA, Takashi ASAI
  • Publication number: 20220122775
    Abstract: A ceramic electronic device includes: a ceramic main body having a parallelepiped shape in which edges of first internal electrode layers are led out to a first edge face and edges of second internal electrode layer are led out to a second edge face facing the first edge face; and external electrodes respectively formed on the first edge face and the second edge face and extending to at least one side face of the ceramic main body, wherein a distance in a length direction between first conductive layers of the respective external electrodes on the at least one side face is shorter between locations corresponding to corner portions of the ceramic main body, respectively, than between center portions of the first conductive layers of the respective external electrodes in a width direction orthogonal to the length direction on the at least one side face.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Inventors: Tomoaki NAKAMURA, Mikio TAHARA, Michio OSHIMA, Hiroaki UENISHI, Takehiko KAMOBE
  • Patent number: 11244788
    Abstract: A ceramic electronic device includes: a ceramic main body that has internal electrode layers inside thereof and has a parallelepiped shape in which a part of one of the internal electrode layers is extracted to a first edge face of the parallelepiped shape and a part of another internal electrode layer is extracted to a second edge face of the parallelepiped shape facing the first edge face; external electrodes that are respectively formed on the first edge face and the second edge face and extend to at least one of side faces of the ceramic main body, wherein an interval between side edge portions of the external electrodes on the at least one of side faces is shorter than center portions of the external electrodes on the at least one of side faces.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: February 8, 2022
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Tomoaki Nakamura, Mikio Tahara, Michio Oshima, Hiroaki Uenishi, Takehiko Kamobe
  • Patent number: 11004605
    Abstract: A multilayer ceramic capacitor includes: a ceramic multilayer structure having a structure in which each of ceramic dielectric layers and each of internal electrode layers are alternately stacked and are alternately exposed to two edge faces of the ceramic multilayer structure, a main phase of the plurality of ceramic dielectric layers having a perovskite structure that includes Ca and Zr and is expressed by a general formula ABO3; and a pair of external electrodes that are formed on the two edge faces, wherein 300×TE/TA?12?30 is satisfied when a volume TA is a length CL×a width CW×a thickness CT of the ceramic multilayer structure and a volume TE is a length EL×a width EW×a thickness ET×a stacked number of the plurality of internal electrode layers in a capacity region.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: May 11, 2021
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Michio Oshima, Atsuhiro Yanagisawa, Yoshinori Shibata, Daisuke Iwai, Hiroyuki Moteki
  • Publication number: 20190244758
    Abstract: A multilayer ceramic capacitor includes: a ceramic multilayer structure having a structure in which each of ceramic dielectric layers and each of internal electrode layers are alternately stacked and are alternately exposed to two edge faces of the ceramic multilayer structure, a main phase of the plurality of ceramic dielectric layers having a perovskite structure that includes Ca and Zr and is expressed by a general formula ABO3; and a pair of external electrodes that are formed on the two edge faces, wherein 300×TE/TA?12?30 is satisfied when a volume TA is a length CL×a width CW×a thickness CT of the ceramic multilayer structure and a volume TE is a length EL×a width EW×a thickness ET×a stacked number of the plurality of internal electrode layers in a capacity region.
    Type: Application
    Filed: January 28, 2019
    Publication date: August 8, 2019
    Inventors: Michio OSHIMA, Atsuhiro YANAGISAWA, Yoshinori SHIBATA, Daisuke IWAI, Hiroyuki MOTEKI
  • Publication number: 20190148075
    Abstract: A ceramic electronic device includes: a ceramic main body that has internal electrode layers inside thereof and has a parallelepiped shape in which a part of one of the internal electrode layers is extracted to a first edge face of the parallelepiped shape and a part of another internal electrode layer is extracted to a second edge face of the parallelepiped shape facing the first edge face; external electrodes that are respectively formed on the first edge face and the second edge face and extend to at least one of side faces of the ceramic main body, wherein an interval between side edge portions of the external electrodes on the at least one of side faces is shorter than center portions of the external electrodes on the at least one of side faces.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 16, 2019
    Inventors: Tomoaki NAKAMURA, Mikio TAHARA, Michio OSHIMA, Hiroaki UENISHI, Takehiko KAMOBE
  • Publication number: 20180151295
    Abstract: A multi-layer ceramic capacitor includes: a body including first and second end surfaces facing each other in a uniaxial direction, a first internal electrode drawn to the first end surface, a second internal electrode drawn to the second end surface, a capacitance forming unit including the first and second internal electrodes, and first and second end margins; a first external electrode; and a second external electrode, the multi-layer ceramic capacitor having a dimension of 0.4 mm or less in the uniaxial direction, the multi-layer ceramic capacitor satisfying the following condition: R??4.4*ln(S)+2.3, where R (%) represents a proportion of a total dimension of the first and second end margins in the uniaxial direction to a dimension of the body in the uniaxial direction, and S (mm2) represents an area of a cross section of the capacitance forming unit, the cross section being orthogonal to the uniaxial direction.
    Type: Application
    Filed: November 28, 2017
    Publication date: May 31, 2018
    Inventors: Daisuke Iwai, Shoji Kusumoto, Yoshinori Shibata, Michio Oshima, Atsuhiro Yanagisawa, Yasushi Inoue
  • Patent number: 4520224
    Abstract: A thermal cracking method for producing olefins from hydrocarbons which comprises the steps of mixing said hydrocarbons with a mixed gas of methane and hydrogen in a methane/hydrogen mol ratio of 0.2 or more; prior to reaction carrying out a thermal cracking reaction under conditions such that the total concentration of methane and hydrogen is at least 40 mol % or more at the outlet of a reactor, the partial pressure of said hydrogen is 3 bars or more, the temperature at the outlet of the reactor is from 800.degree. to 1200.degree. C., and the residence time in the reactor is from 5 to 300 milliseconds; and quenching the reaction product discharged through the outlet of the reactor.
    Type: Grant
    Filed: March 9, 1983
    Date of Patent: May 28, 1985
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Yoshihiko Kamimura, Toshiro Okamoto, Naoyuki Takahashi, Hiroshi Makihara, Michio Oshima
  • Patent number: 4420465
    Abstract: A process for desulfurizing an exhaust gas which comprises desulfurizing an exhaust gas containing SO.sub.2 by bringing it into contact with a slurry containing calcium compounds and aluminum compounds, characterized in that the concentration of the dissolved aluminum ion in said slurry is detected and a manganese compound is supplied into said slurry in such a manner that the ratio of the concentration of manganese (including both solid and liquid) to said concentration of the dissolved aluminum ion may be maintained in a molar ratio of less than 1 in said slurry.
    Type: Grant
    Filed: June 22, 1982
    Date of Patent: December 13, 1983
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventors: Naoharu Shinoda, Atsushi Tatani, Naohiko Ukawa, Michio Oshima, Susumu Okino, Sadaichi Shigeta