Patents by Inventor Seiichi Suenaga

Seiichi Suenaga 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: 20220403399
    Abstract: A method for introducing a genome editing enzyme into a plant cell includes: treating the cell with plasma; and then bringing the cell into contact with the genome editing enzyme in the presence of a di- or higher-valent metal cation.
    Type: Application
    Filed: November 12, 2020
    Publication date: December 22, 2022
    Applicant: National Agriculture and Food Research Organization
    Inventors: Ichiro MITSUHARA, Yuki YANAGAWA, Seiichi TOKI, Masaki IWAKAMI, Sakiko HIROSE, Etsuko KATOH, Akitoshi OKINO, Yuma SUENAGA, Shohei MORIYA, Yusuke IIJIMA
  • Publication number: 20220295644
    Abstract: A bonded body includes a ceramic substrate and a copper plate, in which the copper plate is bonded to the ceramic substrate via a bonding layer, the copper plate includes a surface perpendicular to a direction in which the ceramic substrate and the copper plate are bonded, and a number percentage of copper crystal grains having major diameters greater than 400 ?m in three 5 mm×5 mm regions included in the surface is not less than 0% and not more than 5%. The bonding temperature is favorably not more than 800° C. The number percentage of the copper crystal grains having major diameters greater than 400 ?m is favorably not more than 1%.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 15, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.
    Inventors: Maki YONETSU, Seiichi SUENAGA, Sachiko FUJISAWA, Takashi SANO
  • Publication number: 20220288726
    Abstract: According to one embodiment, when a DSC curve is measured using a differential scanning calorimeter (DSC) for a brazing material for bonding a ceramic substrate and a metal plate, the brazing material has an endothermic peak within a range of not less than 550° C. and not more than 700° C. in a heating process. The brazing material favorably includes Ag, Cu, and Ti. The brazing material favorably has not less than two of the endothermic peaks within a range of not less than 550° C. and not more than 650° C. in the heating process.
    Type: Application
    Filed: May 27, 2022
    Publication date: September 15, 2022
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.
    Inventors: Maki YONETSU, Seiichi SUENAGA, Sachiko FUJISAWA, Takashi SANO
  • Publication number: 20220254543
    Abstract: A laminate structure includes a first layer as a substrate and a second layer provided on the first layer. The second layer is composed of a rubber composition including a rubber component, first fine particles for providing a surface with irregularity, and second fine particles for shielding UV-C light. When performing Raman mapping analysis on a first peak derived from oscillation of the second fine particles in Raman scattering spectrum obtained by Raman scattering measurement of the second layer, the second layer includes a region where an intensity of the first peak is greater in an area where the first fine particles are not present than an area where the first fine particles are present.
    Type: Application
    Filed: February 7, 2022
    Publication date: August 11, 2022
    Inventors: Seiichi KASHIMURA, Kazufumi SUENAGA, Tamotsu KIBE, Kanako SUGANUMA
  • Publication number: 20210398928
    Abstract: A bonded body according to an embodiment includes a substrate, a metal member, and a bonding layer. The bonding layer is provided between the substrate and the metal member. The bonding layer includes a first particle including carbon, a first region including a metal, and a second region including titanium. The second region is provided between the first particle and the first region. A concentration of titanium in the second region is greater than a concentration of titanium in the first region.
    Type: Application
    Filed: September 2, 2021
    Publication date: December 23, 2021
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MATERIALS CO., LTD.
    Inventors: Maki YONETSU, Seiichi SUENAGA, Sachiko FUJISAWA, Takayuki NABA
  • Patent number: 10513760
    Abstract: Provided is a method for producing a magnetic material. The method includes preparing magnetic metal particles containing at least one magnetic metal selected from a first group consisting of Fe, Co and Ni, and at least one non-magnetic metal selected from a second group consisting of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, Ba, Sr, Cr, Mo, Ag, Ga, Sc, V, Y, Nb, Pb, Cu, In, Sn and rare earth elements, pulverizing and reaggregating the magnetic metal particles, and thereby forming composite particles containing a magnetic metal phase and an interstitial phase, and heat-treating the composite particles at a temperature of from 50° C. to 800° C. The particle size distribution of the magnetic metal particles in the preparing magnetic metal particles has two or more peaks.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: December 24, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomohiro Suetsuna, Koichi Harada, Tomoko Eguchi, Toshihide Takahashi, Seiichi Suenaga
  • Patent number: 10184674
    Abstract: A vapor separator in an embodiment is arranged between a first space and a second space, and is used to allow vapor existing in the first space to permeate the second space by making a vapor pressure in the second space lower than a vapor pressure in the first space. The vapor separator in the embodiment includes: a porous body having a first face, a second face opposite to the first face, and fine pores passing from the first face to the second face; and a soluble absorbent existing in the fine pores of the porous body.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: January 22, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kouichi Harada, Ryosuke Yagi, Hitomi Saito, Nao Kobayashi, Maki Yonetsu, Seiichi Suenaga
  • Patent number: 10173168
    Abstract: A vapor separator in an embodiment is arranged between a first space and a second space, and is used to allow vapor existing in the first space to permeate in the second space by making a vapor pressure in the second space lower than a vapor pressure in the first space. The vapor separator in the embodiment includes: a porous body including a first face in contact with the first space and having a convexo-concave structure, a second face in contact with the second space, and fine pores passing to the second face from at least wall of the first face which constitutes the convexo-concave structure; and water existing in the fine pores of the porous body.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: January 8, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koichi Harada, Hitomi Saito, Maki Yonetsu, Seiichi Suenaga
  • Patent number: 10090088
    Abstract: The soft magnetic material of embodiments includes flattened magnetic metal particles including at least one magnetic metal selected from iron (Fe), cobalt (Co) and nickel (Ni), each of the flattened magnetic metal particles having a thickness of from 10 nm to 100 ?m, an aspect ratio of from 5 to 10,000, and a lattice strain of from 0.01% to 10%, and being oriented with magnetic anisotropy in one direction within aligned flattened surface; and an interposed phase existing between the flattened magnetic metal particles and including at least one of oxygen (O), carbon (C), nitrogen (N) and fluorine (F).
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: October 2, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomohiro Suetsuna, Tomoko Eguchi, Kouichi Harada, Seiichi Suenaga, Hiroaki Kinouchi
  • Publication number: 20180272311
    Abstract: A gas separator of an embodiment includes: a honeycomb base having a plurality of through holes juxtaposed and made apart from one another by partition walls extending between a first face and a second face; and porous aggregates of inorganic material particles filled in the through holes and each having a third face and a fourth face. The porous aggregates each include pores passing from the third face to the fourth face among the inorganic material particles, and air permeability of the porous aggregates from the third faces to the fourth faces is not less than 1×10?14 m2 nor more than 1×10?11 m2.
    Type: Application
    Filed: September 15, 2017
    Publication date: September 27, 2018
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koichi HARADA, Maki YONETSU, Hitomi SAITO, Ryosuke RAGI, Seiichi SUENAGA
  • Patent number: 9997289
    Abstract: Provided is a magnetic material including a plurality of flat particles containing a magnetic metal, and a matrix phase disposed around the flat particles and having higher electrical resistance than the flat particles. In a cross-section of the magnetic material, the aspect ratio of the flat particles is 10 or higher. If the major axis of one of the flat particles is designated as L and the length of a straight line connecting two endpoints of the flat particle is designated as W, the proportion of the area surrounded by the outer peripheries of parts in which flat particles satisfying the relationship: W ?0.95×L are continuously laminated, is 10% or more of the cross-section.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: June 12, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomoko Eguchi, Tomohiro Suetsuna, Koichi Harada, Toshihide Takahashi, Seiichi Suenaga
  • Patent number: 9975099
    Abstract: A fuel synthesis catalyst of an embodiment for hydrogenating a gas includes at least one selected from the group consisting of; carbon dioxide and carbon monoxide, the catalyst comprising, a base material containing at least one oxide selected from the group consisting of; Al2O3, MgO, TiO2, and SiO2, first metals containing at least one metal selected from the group consisting of; Ni, Co, Fe, and Cu and brought into contact with the base material, and a first oxide containing at least one selected from the group consisting of; CeO2, ZrO2, TiO2, and SiO2 and having an interface with each of the first metals and the base material. The first metals exist on an outer surface of the base material, and on a surface of the base material in fine pores having opening ends on the outer surface of the base material and inside the base material. The first metals and the first oxide exist in the fine pores. The first metals have interfaces with the base material in the fine pores.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: May 22, 2018
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takayuki Fukasawa, Kenji Essaki, Shinsuke Matsuno, Takashi Kuboki, Yasuhiro Goto, Seiichi Suenaga
  • Patent number: 9929321
    Abstract: The embodiment of the present disclosure provides a phosphor improved in the emission intensity maintenance ratio without impairing the emission intensity. The phosphor is a silicofluoride phosphor and shows an IR absorption spectrum satisfying the conditions of 0?I2/I1?0.01 and 6.7?(I3/I1)/CMn. In those conditional formulas, I1, I2 and I3 are intensities of the maximum peaks in the ranges of 1200 to 1240 cm?1, 3570 to 3610 cm?1 and 635 to 655 cm?1, respectively, and CMn is a weight percent of Mn contained the phosphor.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: March 27, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yumi Fukuda, Keiko Albessard, Yasushi Hattori, Seiichi Suenaga
  • Publication number: 20180040784
    Abstract: The embodiment of the present disclosure provides a phosphor improved in the emission intensity maintenance ratio without impairing the emission intensity. The phosphor is a silicofluoride phosphor and shows an IR absorption spectrum satisfying the conditions of 0?I2/I1?0.01 and 6.7?(I3/I1)/CMn. In those conditional formulas, I1, I2 and I3 are intensities of the maximum peaks in the ranges of 1200 to 1240 cm?1, 3570 to 3610 cm?1 and 635 to 655 cm?1, respectively, and CMn is a weight percent of Mn contained the phosphor.
    Type: Application
    Filed: February 28, 2017
    Publication date: February 8, 2018
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yumi FUKUDA, Keiko ALBESSARD, Yasushi HATTORI, Seiichi SUENAGA
  • Publication number: 20170266636
    Abstract: A fuel synthesis catalyst of an embodiment for hydrogenating a gas includes at least one selected from the group consisting of; carbon dioxide and carbon monoxide, the catalyst comprising, a base material containing at least one oxide selected from the group consisting of; Al2O3, MgO, TiO2, and SiO2, first metals containing at least one metal selected from the group consisting of; Ni, Co, Fe, and Cu and brought into contact with the base material, and a first oxide containing at least one selected from the group consisting of; CeO2, ZrO2, TiO2, and SiO2 and having an interface with each of the first metals and the base material. The first metals exist on an outer surface of the base material, and on a surface of the base material in fine pores having opening ends on the outer surface of the base material and inside the base material. The first metals and the first oxide exist in the fine pores. The first metals have interfaces with the base material in the fine pores.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 21, 2017
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takayuki FUKASAWA, Kenji Essaki, Shinsuke Matsuno, Takashi Kuboki, Yasuhiro Goto, Seiichi SUENAGA
  • Publication number: 20170259205
    Abstract: A vapor separator in an embodiment is arranged between a first space and a second space, and is used to allow vapor existing in the first space to permeate in the second space by making a vapor pressure in the second space lower than a vapor pressure in the first space. The vapor separator in the embodiment includes: a porous body including a first face in contact with the first space and having a convexo-concave structure, a second face in contact with the second space, and fine pores passing to the second face from at least wall of the first face which constitutes the convexo-concave structure; and water existing in the fine pores of the porous body.
    Type: Application
    Filed: September 2, 2016
    Publication date: September 14, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Koichi Harada, Hitomi Saito, Maki Yonetsu, Seiichi Suenaga
  • Publication number: 20170138630
    Abstract: A heat exchanger according to an embodiment includes an air supply path through which supply air supplied to a target space from the outside of the target space passes; an exhaust path through which exhaust air discharged from the target space to the outside of the target space passes; a partition member that divides the air supply path and the exhaust path and performs heat exchange between the supply air and the exhaust air; a separation member that adsorbs moisture in the air or discharges the adsorbed moisture to the air; and a decompression path that is provided at the air supply path side, is divided from the air supply path by the separation member, and is connected to a decompression pump.
    Type: Application
    Filed: September 9, 2016
    Publication date: May 18, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Ryosuke YAGI, Seiichi SUENAGA, Koichi HARADA, Hitomi SAITO
  • Publication number: 20170076845
    Abstract: The soft magnetic material of embodiments includes flattened magnetic metal particles including at least one magnetic metal selected from iron (Fe), cobalt (Co) and nickel (Ni), each of the flattened magnetic metal particles having a thickness of from 10 nm to 100 ?m, an aspect ratio of from 5 to 10,000, and a lattice strain of from 0.01% to 10%, and being oriented with magnetic anisotropy in one direction within aligned flattened surface; and an interposed phase existing between the flattened magnetic metal particles and including at least one of oxygen (O), carbon (C), nitrogen (N) and fluorine (F).
    Type: Application
    Filed: September 8, 2016
    Publication date: March 16, 2017
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tomohiro SUETSUNA, Tomoko Eguchi, Kouichi Harada, Seiichi Suenaga, Hiroaki Kinouchi
  • Publication number: 20170074529
    Abstract: A vapor separator in an embodiment is arranged between a first space and a second space, and is used to allow vapor existing in the first space to permeate the second space by making a vapor pressure in the second space lower than a vapor pressure in the first space. The vapor separator in the embodiment includes: a porous body having a first face, a second face opposite to the first face, and fine pores passing from the first face to the second face; and a soluble absorbent existing in the fine pores of the porous body.
    Type: Application
    Filed: August 30, 2016
    Publication date: March 16, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kouichi HARADA, Ryosuke Yagi, Hitomi Saito, Nao Kobayashi, Maki Yonetsu, Seiichi Suenaga
  • Publication number: 20160281999
    Abstract: A water collecting system of an embodiment has a water supplying unit with a water-permeable membrane, a first chamber and a second chamber separated from the first chamber by the permeable membrane, a vacuum unit, a water collecting unit collecting liquid water, a first switching valve, a cooling unit cooling the water collecting unit; and an air blowing unit sending first gas to the first chamber. The second chamber, the vacuum unit, the water collecting unit, and the first switching valve comprise a first loop circuit in which second gas flow. The vacuum unit decompresses the second gas flowing in the first loop circuit and reduces a pressure in the second gas in comparison with a pressure in the first gas. The cooling unit collects the liquid water by cooling the second gas passing through the water collecting unit and condensing gaseous water included in the second gas.
    Type: Application
    Filed: March 8, 2016
    Publication date: September 29, 2016
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Ryosuke YAGI, Seiichi SUENAGA, Norihiro TOMIMATSU, Takayuki FUKASAWA, Koichi HARADA