Patents by Inventor Daigo Ito

Daigo Ito 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: 20210057781
    Abstract: An all-solid battery includes: a solid electrolyte layer mainly composed of oxide-based solid electrolyte; a first electrode layer formed on a first principal face of the solid electrolyte layer, the first electrode layer containing an active material; a second electrode layer formed on a second principal face of the solid electrolyte layer, the second electrode layer containing another active material, wherein no collector layer that is in contact with the second electrode layer is provided in a direction in which the solid electrolyte layer, the first electrode layer, and the second electrode layer are stacked, and the second electrode layer includes board-shaped carbon.
    Type: Application
    Filed: August 12, 2020
    Publication date: February 25, 2021
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Sachie TOMIZAWA, Daigo ITO, Chie KAWAMURA
  • Publication number: 20200403274
    Abstract: An all solid battery includes: a solid electrolyte layer of which a main component is oxide-based solid electrolyte; a first electrode layer that is provided on a first main face of the solid electrolyte layer and includes an active material; and a second electrode layer that is provided on a second main face of the solid electrolyte layer and includes an active material, wherein at least one of the first electrode layer and the second electrode layer includes an aggregate of carbon particles and a cavity, wherein the aggregate demarcates at least a part of the cavity.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 24, 2020
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Sachie TOMIZAWA, Daigo ITO, Chie KAWAMURA, Kotaro MIZUNO
  • Publication number: 20200365937
    Abstract: An all solid battery includes: an oxide-based solid electrolyte layer; a first electrode provided on a first main face of the solid electrolyte layer; a second electrode provided on a second main face of the solid electrolyte layer, wherein the solid electrolyte layer is a sintered structure of solid electrolyte powder, wherein the solid electrolyte powder has D10% diameter of 0.05 ?m or more and 0.6 ?m or less, D50% diameter of 0.08 ?m or more and 1.5 ?m or less, D90% diameter of 4 ?m or less, and a BET value of 3 m2/g or more and 20 m2/g or less.
    Type: Application
    Filed: April 29, 2020
    Publication date: November 19, 2020
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Chie KAWAMURA, Daigo ITO, Sachie TOMIZAWA
  • Patent number: 10797180
    Abstract: The semiconductor device includes a first insulating layer; a first oxide insulating layer over the first insulating layer; an oxide semiconductor layer over the first oxide insulating layer; a source electrode layer and a drain electrode layer over the oxide semiconductor layer; a second oxide insulating layer over the oxide semiconductor layer, the source electrode layer, and the drain electrode layer; a gate insulating layer over the second oxide insulating layer; a gate electrode layer over the gate insulating layer; a second insulating layer over the first insulating layer the source electrode layer, the drain electrode layer, the second oxide insulating layer, the gate insulating layer, and the gate electrode layer, and a third insulating layer over the first insulating layer, the source electrode layer, the drain electrode layer, and the second insulating layer.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: October 6, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daigo Ito, Takahisa Ishiyama, Katsuaki Tochibayashi, Kazuya Hanaoka
  • Publication number: 20200313230
    Abstract: An all-solid battery includes: a multilayer chip having a substantially rectangular parallelepiped shape and including solid electrolyte layers and electrodes alternately stacked, the electrodes being alternately exposed to two edge faces facing each other of the multilayer chip, wherein cover layers are provided between two faces, which face in a stacking direction of the solid electrolyte layers and the electrodes, of four faces other than the two edge faces of the multilayer chip and a cell reaction region where two adjacent electrodes exposed to different edge faces face each other across the solid electrolyte layer, and an active material layer containing an electrode active material is provided between the cover layers and the cell reaction region, no cell reaction occurring between the active material layer and an outermost electrode in the cell reaction region, the solid electrolyte layer being located between the active material layer and the cell reaction region.
    Type: Application
    Filed: February 3, 2020
    Publication date: October 1, 2020
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Daigo ITO, Takato SATO, Sachie TOMIZAWA, Chie KAWAMURA, Masashi SEKIGUCHI
  • Publication number: 20200313232
    Abstract: An all solid battery includes: a multilayer chip in which each of solid electrolyte layers and each of electrodes are alternately stacked, a main component of the solid electrolyte layers being phosphoric acid salt-based solid electrolyte, the plurality of electrodes being alternately exposed to a first end face and a second end face of the multilayer chip, a first external electrode provided on the first end face; a second external electrode provided on the second end face; and wherein L/W is 0.2 or more and 1.1 or less, when a length of the multilayer chip in a first direction in which the first end face faces with the second end face is L, and a width of the multilayer chip in a second direction that is vertical to the first direction and a stacking direction of the multilayer chip is W.
    Type: Application
    Filed: March 16, 2020
    Publication date: October 1, 2020
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Chie Kawamura, Masashi Sekiguchi, Daigo Ito, Takato Satoh, Sachie Tomizawa
  • Publication number: 20200313233
    Abstract: An all solid battery includes: a solid electrolyte layer including a glass component, a main component of the solid electrolyte layer being phosphoric acid salt-based solid electrolyte; and electrode layers that are provided on both main faces of the solid electrolyte layer, wherein the electrode layers include a carbon material having an average particle diameter of 40 nm or more and 120 nm or less, wherein a DBP oil absorption of the carbon material is 200 mL/100 g or less.
    Type: Application
    Filed: March 18, 2020
    Publication date: October 1, 2020
    Applicant: TAIYO YUDEN CO., LTD.
    Inventors: Sachie TOMIZAWA, Daigo ITO, Chie KAWAMURA, Masashi SEKIGUCHI, Takato SATOH
  • Publication number: 20200258113
    Abstract: An information processing apparatus according to an embodiment includes a detector, a controller, a display device, and a storage device. The detector detects a commodity code of a commodity. If a first commodity code of a first commodity is detected, the controller determines whether a second commodity is registered as associated with the first commodity. The display device outputs content of the privilege data for the second commodity in response to determining the second commodity is registered as associated with the first commodity. In response to detecting a second commodity code of the second commodity, the storage device applies a privilege corresponding to the privilege data to the second commodity and stores commodity information of the second commodity.
    Type: Application
    Filed: November 21, 2019
    Publication date: August 13, 2020
    Applicant: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Fumio NAKATSUKASA, Mikio ITO, Satoru ISHIHARA, Kazunari KOGURE, Daigo KUDOU
  • Patent number: 10697311
    Abstract: A turbine rotor blade includes an airfoil portion having an airfoil defined by a pressure surface and a suction surface; and a squealer rib on a tip surface of the turbine rotor blade, the squealer rib extending from a leading-edge side (toward a trailing-edge side. The squealer rib has a ridge extending in an extending direction of the squealer rib. The turbine rotor blade is configured to provide a clearance between the tip surface of the turbine rotor blade and an inner wall surface of a casing of a turbine such that the inner wall surface of the casing of the turbine faces the tip surface of the turbine rotor blade and the clearance has a local minimum value on the ridge. The clearance is greater than the local minimum value at both sides of the ridge in a width direction of the squealer rib.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: June 30, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuya Nishimura, Daigo Fujimura, Eisaku Ito, Koichi Ishizaka
  • Patent number: 10685983
    Abstract: To provide a semiconductor device capable of retaining data for a long time. The semiconductor device includes a first transistor, an insulator covering the first transistor, and a second transistor over the insulator. The first transistor includes a first gate electrode, a second gate electrode overlapping with the first gate electrode, and a semiconductor between the first gate electrode and the second gate electrode. The first gate electrode is electrically connected to one of a source and a drain of the second transistor.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: June 16, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daigo Ito, Yutaka Okazaki, Takahisa Ishiyama
  • Publication number: 20200185528
    Abstract: A semiconductor device having favorable electrical characteristics is provided. The semiconductor device includes an oxide; a first conductor and a second conductor over the oxide; a third conductor over the oxide; a first insulator provided between the oxide and the third conductor and covering a side surface of the third conductor; a second insulator over the third conductor and the first insulator; a third insulator positioned over the first conductor and at a side surface of the second insulator; a fourth insulator positioned over the second conductor and at a side surface of the second insulator; a fourth conductor being in contact with a top surface and a side surface of the third insulator and electrically connected to the first conductor; and a fifth conductor being in contact with a top surface and a side surface of the fourth insulator and electrically connected to the second conductor.
    Type: Application
    Filed: July 26, 2018
    Publication date: June 11, 2020
    Inventors: Shunpei YAMAZAKI, Daisuke MATSUBAYASHI, Ryota HODO, Daigo ITO, Hiroaki HONDA, Satoru OKAMOTO
  • Publication number: 20200153039
    Abstract: A solid-state rechargeable battery includes a pair of electrode layers and a solid electrolyte layer interposed between the pair of electrode layers. The pair of electrode layers each includes a phosphate having an olivine crystal structure. The phosphate contains a transition metal and lithium.
    Type: Application
    Filed: January 13, 2020
    Publication date: May 14, 2020
    Applicant: TAIYO YUDEN CO. LTD.
    Inventor: Daigo ITO
  • Publication number: 20200128845
    Abstract: A coffee beverage having, regardless of a liquid temperature of the beverage, reduced bitterness and little aftertaste is provided. The content of guaiacol and the content of furfuryl methyl sulfide in the beverage are adjusted to specific ranges.
    Type: Application
    Filed: March 14, 2018
    Publication date: April 30, 2020
    Applicant: SUNTORY HOLDINGS LIMITED
    Inventors: Taro YANO, Ryosuke SUGINO, Daigo IBUSUKI, Chihiro IWASA, Nobuhiro ITO
  • Publication number: 20200127137
    Abstract: To provide a semiconductor device in which a large current can flow. To provide a semiconductor device which can be driven stably at a high driving voltage. The semiconductor device includes a semiconductor layer, a first electrode and a second electrode electrically connected to the semiconductor layer and apart from each other in a region overlapping with the semiconductor layer, a first gate electrode and a second gate electrode with the semiconductor layer therebetween, a first gate insulating layer between the semiconductor layer and the first gate electrode, and a second gate insulating layer between the semiconductor layer and the second gate electrode. The first gate electrode overlaps with part of the first electrode, the semiconductor layer, and part of the second electrode. The second gate electrode overlaps with the semiconductor layer and part of the first electrode, and does not overlap with the second electrode.
    Type: Application
    Filed: November 25, 2019
    Publication date: April 23, 2020
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei YAMAZAKI, Yoshiyuki KOBAYASHI, Daisuke MATSUBAYASHI, Akihisa SHIMOMURA, Daigo ITO
  • Patent number: 10615187
    Abstract: A highly reliable semiconductor device capable of retaining data for a long period is provided. The transistor includes a first gate electrode, a first gate insulator over the first gate electrode, a first oxide and a second oxide over the first gate insulator, a first conductor over the first oxide, a second conductor over the second oxide, a third oxide covering the first gate insulator, the first oxide, the first conductor, the second oxide, and the second conductor, a second gate insulator over the third oxide, and a second gate electrode over the second gate insulator. An end portion of the second gate electrode is positioned between an end portion of the first conductor and an end portion of the second conductor in a channel length direction.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: April 7, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shinpei Matsuda, Daigo Ito, Daisuke Matsubayashi, Yasutaka Suzuki, Etsuko Kamata, Yutaka Shionoiri, Shuhei Nagatsuka
  • Publication number: 20200105942
    Abstract: The semiconductor device includes a first insulating layer; a first oxide insulating layer over the first insulating layer; an oxide semiconductor layer over the first oxide insulating layer; a source electrode layer and a drain electrode layer over the oxide semiconductor layer; a second oxide insulating layer over the oxide semiconductor layer, the source electrode layer, and the drain electrode layer; a gate insulating layer over the second oxide insulating layer; a gate electrode layer over the gate insulating layer; a second insulating layer over the first insulating layer the source electrode layer, the drain electrode layer, the second oxide insulating layer, the gate insulating layer, and the gate electrode layer, and a third insulating layer over the first insulating layer, the source electrode layer, the drain electrode layer, and the second insulating layer.
    Type: Application
    Filed: December 4, 2019
    Publication date: April 2, 2020
    Inventors: Daigo ITO, Takahisa ISHIYAMA, Katsuaki TOCHIBAYASHI, Kazuya HANAOKA
  • Publication number: 20200106129
    Abstract: An all solid battery includes: a solid electrolyte layer including solid electrolyte; a first electrode layer that is formed on a first main face of the solid electrolyte layer and includes an active material; and a second electrode layer that is formed on a second main face of the solid electrolyte layer and includes an active material, wherein the solid electrolyte layer includes polymer solid electrolyte including lithium salt, in a clearance of a sintered compact of phosphoric acid salt-based solid electrolyte.
    Type: Application
    Filed: September 16, 2019
    Publication date: April 2, 2020
    Inventors: Takato SATOH, Daigo ITO, Sachie TOMIZAWA, Chie KAWAMURA
  • Publication number: 20200106088
    Abstract: An all solid battery includes: a first electrode layer that includes a positive electrode active material and a Li—La—Ti—O-based oxide; a second electrode layer that includes a positive electrode active material and a Li—La—Ti—O-based oxide; and a solid electrolyte layer that includes an oxide-based solid electrolyte and is sandwiched by the first electrode layer and the second electrode layer.
    Type: Application
    Filed: September 16, 2019
    Publication date: April 2, 2020
    Inventors: Daigo ITO, Takato SATOH, Sachie TOMIZAWA, Chie KAWAMURA
  • Publication number: 20200091522
    Abstract: An all solid battery includes: a solid electrolyte layer of which a main component is phosphoric acid salt-based solid electrolyte; a positive electrode layer that is formed on a first main face of the solid electrolyte layer; and a negative electrode layer that is formed on a second main face of the solid electrolyte layer, wherein the positive electrode layer includes a positive electrode active material and a solid electrolyte, wherein a discharge capacity of the solid electrolyte of the positive electrode layer is 20% to 50% on a presumption that a discharge capacity of the positive electrode active material is 100%.
    Type: Application
    Filed: September 11, 2019
    Publication date: March 19, 2020
    Inventors: Daigo ITO, Takato SATOH, Sachie TOMIZAWA, Chie KAWAMURA
  • Publication number: 20200083567
    Abstract: A manufacturing method of an all solid battery includes: preparing a multilayer structure in which first coated electric collector paste including Pd, first coated electrode paste including carbon, a green sheet including phosphoric acid salt-based solid electrolyte grains, second coated electrode paste including carbon and second coated electric collector paste including Pd are stacked in this order; and firing the multilayer structure within an oxygen partial pressure range from 5×10?22 atm or more and 2×10?13 atm or less.
    Type: Application
    Filed: September 4, 2019
    Publication date: March 12, 2020
    Inventors: Sachie TOMIZAWA, Daigo ITO, Chie KAWAMURA, Takato SATOH