Patents by Inventor Toshio Kandori

Toshio Kandori 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: 10588521
    Abstract: The present invention provides a sphygmomanometer system, including a measurement device pressed against a predetermined part to be measured so that the part to be measured is held down, and a blood pressure measurement device to measure blood pressure based on information from the measurement device. The measurement device includes an average blood pressure detection unit to obtain information on pressure applied to the measurement device, and a blood pressure change amount detection unit to detect a minute change of the part to be measured when the blood pressure change amount detection unit contacts with the part to be measured. The processor of the blood pressure measurement device calculates the average blood pressure, the highest blood pressure, and the lowest blood pressure based on information on pressure obtained from the blood pressure change amount detection unit and the average blood pressure detection unit.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: March 17, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Akihiko Kandori, Yuko Sano, Toshio Tsuji, Harutoyo Hirano
  • Patent number: 6391276
    Abstract: Disclosed are (1) a titania-zirconia powder having at least a part of the zirconia solid-dissolved in the titania crystalline phase or at least a part of the titania solid-dissolved in the zirconia crystalline phase, (2) a titania-zirconia powder containing 3 to 30 wt % of zirconia and 0.5 to 10 wt % of yttria and containing less than 20 wt %, in total, of at least a complex oxide having a composition of ZrTiO4 or (Ti,Zr) O2, monoclinic phase zirconia, and tetragonal phase zirconia, wherein the titania-zirconia powder comprises an anatase phase, and which retains a specific surface area of 34 m2/g or more after heat-treated at 900° C. for 5 hours in the air, and (3) a titania-zirconia powder wherein the titania-zirconia powder (1) or (2) having an average particle size of 1 &mgr;m or smaller is mutually dispersed with an alumina powder; and processes for producing the powders are disclosed.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: May 21, 2002
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Akihiko Suda, Naoki Takahashi, Chika Ando, Toshio Kandori, Miho Hatanaka
  • Patent number: 5958827
    Abstract: A solid solution particle of oxides contains a solid solution of oxides in which one oxide is dissolved into the other oxide, and in which the degree of dissolution of one oxide into the other oxide is not less 50%, and in which an average diameter of crystallite is not more than 100 nm. The solid solution particle of oxides has small average diameter of a crystallite and large specific surface area, and it improves capacities such as an oxygen storage ability due to high degree of dissolution. A catalyst for purifying exhaust gases has excellent purifying performance by employing the solid solution comprising ceria and zirconia which has large OSC and high oxygen adsorption and discharge speed.
    Type: Grant
    Filed: December 4, 1996
    Date of Patent: September 28, 1999
    Assignees: Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Akihiko Suda, Hideo Sobukawa, Tadashi Suzuki, Toshio Kandori, Yoshio Ukyo, Masahiro Sugiura, Mareo Kimura, Hiroshi Hirayama, Yasuo Ikeda
  • Patent number: 5945369
    Abstract: A catalyst for purifying exhaust gases includes a porous support; a cerium oxide or a solid solution of a cerium oxide and a zirconium oxide in a state of mutual solid solution, loaded on the porous support; and a noble metal element loaded on the porous support. The cerium oxide or the solid solution has an average particle diameter of from 5 to 100 nm. The cerium oxide is present in the solid solution in an amount of from 0.2 to 4.0 by molar ratio with respect to the zirconium oxide therein. The catalyst can be prepared by: coating and calcinating on a support substrate a slurry of a cerium oxide sol, a cerium oxide sol and a zirconium oxide sol, on a solid solution powder of a cerium oxide and a zirconium oxide in a state of mutual solid solution; and loading a noble metal element thereon.
    Type: Grant
    Filed: December 8, 1995
    Date of Patent: August 31, 1999
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Mareo Kimura, Yoriko Matsuoka, Hideo Sobukawa, Masayuki Fukui, Akihiko Suda, Toshio Kandori, Yoshio Ukyo
  • Patent number: 5618772
    Abstract: A method for producing a catalyst having high catalytic activity even at high temperatures of 1200.degree. C. or higher. Fine alumina particles, of which 50% by weight or more have a particle size of 100 nm or less, are mixed with a catalytic component and a substance of inhibiting the sintering of fine alumina particles to form a slurry mixture. This slurry is dried and then calcined to obtain a porous catalyst. The fine alumina particles in the porous catalyst have a large specific surface area even at high temperatures and therefore the porous catalyst maintains its high catalytic activity even at high temperatures of 1200.degree. C. or higher.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: April 8, 1997
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Akihiko Suda, Yoshio Ukyo, Hideo Sobukawa, Toshio Kandori, Masayuki Fukui
  • Patent number: 5523268
    Abstract: A silicon nitride sintered body includes silicon nitride as a principal component, silicon carbide dispersed therein and at least one of boron and boron compounds in an amount of from 0.005 to 0.5% by weight in terms of the weight of boron with respect to the total weight of the sintered body. The addition of boron or boron compounds improves the high-temperature characteristics such as creep resistance of the sintered body.
    Type: Grant
    Filed: December 22, 1994
    Date of Patent: June 4, 1996
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Yoshio Ukyo, Toshio Kandori, Shigetaka Wada
  • Patent number: 4552806
    Abstract: Heat-insulating cellular glass having a surface on which an adhesive layer and a coating layer are formed. The adhesive layer comprises a solidified mixture of water glass, and a porous substance containing polyvalent ions of metals, such as Ca, Mg, Ba and Al, and the coating layer comprises a laminate of flakes of a laminar mineral. This cellular glass is widely used as a heat-insulating material having an improved thermal shock resistance.
    Type: Grant
    Filed: July 12, 1983
    Date of Patent: November 12, 1985
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Hiroaki Hayashi, Toshio Kandori, Yoshiaki Fukushima
  • Patent number: 4483839
    Abstract: Impurities are removed from chaff by acid treatment, and the chaff is heated for carbonization. Silicon is reduced from the carbonized chaff, and nitrided to form silicon nitride.
    Type: Grant
    Filed: July 18, 1983
    Date of Patent: November 20, 1984
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Masahiro Sugiura, Toshio Kandori, Haruo Doi
  • Patent number: 4003976
    Abstract: A converter for the purification of exhaust gases from internal combustion engines and the like which comprises a first converting layer of a catalyst of a sintered body structure selected from the group consisting of nickel oxide-copper oxide; manganese oxide-cerium oxide; manganese oxide-lanthanum oxide; manganese oxide-iron oxide; manganese oxide-niobium oxide; manganese oxide-nickel oxide; and either niobium oxide or yttrium oxide or mixtures of both with cobalt oxide; and a second converting layer of a catalyst selected from the group consisting of platinum; platinum-rhodium; platinum-palladium; and nickel oxide, chromium oxide, copper oxide, iron oxide and barium oxide; wherein the converter is constructed so that the exhaust gases pass through said first converting layer and then through said second converting layer. A copper-filled layer consisting of a copper-containing material may be further provided upstream of said first and second converting layers.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: January 18, 1977
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Noboru Komatsu, Osami Kamigaito, Takatoshi Suzuki, Nobuyuki Yamamoto, Haruo Doi, Kazuya Sano, Toshio Kandori, Yukikazu Tsuzuki
  • Patent number: 3967230
    Abstract: A resistor built-in spark plug comprises an insulator formed with an axially extending inner hole, a stem fitted in the upper part of said hole in said insulator, a center electrode fitted in the lower part of said hole, a resistor disposed in the central part of said hole, and copper-glass electrode layers disposed between said resistor and said stem and between said resistor and said center electrode. Said resistor is made by firing and solidifying powder of resistor mixture consisting of 75 to 38 volume percent of main resistor component containing tin oxide and 25 to 62 volume percent of glass powder with softening temperature of 300.degree. to 600.degree.C. Said copper-glass electrode layers are made by firing and solidifying a mixture of copper powder and glass powder with the softening temperature of above 530.degree.C and more than 30.degree.C higher than the softening point of glass in the resistor portion.
    Type: Grant
    Filed: October 22, 1974
    Date of Patent: June 29, 1976
    Assignees: Nippondenso Co., Ltd., Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Osami Kamigaito, Haruo Doi, Hideyuki Masaki, Toshio Kandori, Masami Oki, Yasuo Nakamura