Patents Assigned to Tocalo Co., Ltd.
  • Publication number: 20240116076
    Abstract: The method for forming a coating of the present invention includes: a first step of applying a first solution containing a polysilazane to a surface 2a of a metal substrate 2 and heating the first solution to form a first coating 1 on the surface 2a of the metal substrate 2, and a second step of applying a second solution containing a polysilazane to a surface 1a of the first coating 1 and heating the second solution at a temperature lower than a heating temperature in the first step to form a second coating 3 on the surface 1a of the first coating 1, wherein a density of the first coating is less than 2.00 g/cm3, and a density of the second coating is 2.00 g/cm3 or more.
    Type: Application
    Filed: November 11, 2021
    Publication date: April 11, 2024
    Applicant: TOCALO CO.,LTD.
    Inventors: Takaomi TANABE, Seiichiro KAWACHI, Kosaku HIYAMA
  • Patent number: 11955360
    Abstract: A Johnsen-Rahbek force type electrostatic chuck including: a metal substrate; an electrode for electrostatic attraction provided on the metal substrate with an insulating layer interposed between the metal substrate and the electrode for electrostatic attraction; and a dielectric layer constituting an electrostatic attraction surface in contact with a workpiece. The dielectric layer includes a ceramic spray coating and a sealing component with which pores of the ceramic spray coating are filled, and the sealing component contains a metal organic salt containing a rare earth element.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 9, 2024
    Assignees: TOCALO CO., Ltd., HITACHI HIGH-TECH CORPORATION
    Inventors: Takeshi Takabatake, Tomohiro Nakasuji, Akira Itoh, Kentaro Seto, Yutaka Omoto, Hiroho Kitada, Kazuumi Tanaka
  • Publication number: 20240043982
    Abstract: There is provided a thermal spray coating which has excellent plasma erosion resistance, which protects members of a plasma etching device from plasma erosion over a long period of term, and which can contribute to the stable production of devices and a longer life of members. The thermal spray material which is one aspect of this invention contains a composite compound containing a rare earth fluoride in the proportion of 40 mol % or more and 80 mol % or less, a magnesium fluoride in the proportion of 10 mol % or more and 40 mol % or less, and a calcium fluoride in the proportion of 0 mol % or more and 40 mol % or less.
    Type: Application
    Filed: November 18, 2021
    Publication date: February 8, 2024
    Applicants: TOCALO Co., Ltd., FUJIMI INCORPORATED
    Inventors: Yasuhiro Shiojiri, Tatsuo Suidzu, Kensuke Taguchi, Hiroaki Mizuno, Takaya Masuda
  • Publication number: 20240044009
    Abstract: The method for forming a coating of the present invention includes: a first step of applying a first solution containing a polysilazane to a surface 2a of a metal substrate 2, heating the first solution to make the first solution undergo conversion into silica and form a first coating 1 having open defects 3, on the surface 2a of the metal substrate 2, and a second step of applying a second solution containing a polysilazane to a surface 1a of the first coating 1 to fill the open defects 3, and heating the second solution at a temperature lower than a heating temperature in the first step to make the second solution undergo conversion into silica and form a second coating 5 on a surface 1a of the first coating 1.
    Type: Application
    Filed: November 11, 2021
    Publication date: February 8, 2024
    Applicant: TOCALO CO.,LTD.
    Inventors: Takaomi TANABE, Seiichiro KAWACHI, Kosaku HIYAMA
  • Publication number: 20230220531
    Abstract: To provide a new tungsten-based thermal spray coating suitable as e.g. a component for plasma etching device using halogen gas, and a material for thermal spraying for obtaining the thermal spray coating. A thermal spray coating characterized by containing tungsten as a matrix phase and oxides containing silicon and boron as a dispersed phase, and a component for plasma etching device having such a thermal spray coating. A material for thermal spraying characterized by containing from 1 to 7 wt % of silicon, from 0.5 to 3 wt % of boron and the reminder being tungsten and unavoidable impurities, and a method for producing a thermal spray coating by thermally spraying the material for thermal spraying.
    Type: Application
    Filed: March 4, 2021
    Publication date: July 13, 2023
    Applicant: TOCALO CO., LTD.
    Inventors: Kazuo HAMASHIMA, Masashi MORISASA, Shinsuke ANAI
  • Publication number: 20230154780
    Abstract: A Johnsen-Rahbek force type electrostatic chuck including: a metal substrate; an electrode for electrostatic attraction provided on the metal substrate with an insulating layer interposed between the metal substrate and the electrode for electrostatic attraction; and a dielectric layer constituting an electrostatic attraction surface in contact with a workpiece. The dielectric layer includes a ceramic spray coating and a sealing component with which pores of the ceramic spray coating are filled, and the sealing component contains a metal organic salt containing a rare earth element.
    Type: Application
    Filed: December 24, 2020
    Publication date: May 18, 2023
    Applicants: TOCALO Co., Ltd., HITACHI HIGH-TECH CORPORATION
    Inventors: Takeshi TAKABATAKE, Tomohiro NAKASUJI, Akira ITOH, Kentaro SETO, Yutaka OMOTO, Hiroho KITADA, Kazuumi TANAKA
  • Patent number: 11631574
    Abstract: The heater component (1) has a substrate part (2), and a thin coating heater (4) which is equipped outside this substrate part (2) and generates heat by power supply. The thin coating heater (4) is formed of a thermal sprayed coating. The thin coating heater (4) has a heater body (10) and a heater extension part (11). The heater body (10) is arranged on a first end face (2a) of the substrate part (2). The heater extension part (11) is extended from the heater body (10) to a second end face (2b) of the substrate part (2) through a side surface (2c) of the substrate part (2). A tip part (11s) of the heater extension part (11) is a heater power supplying part (12) for supplying electric power to the heater body (10).
    Type: Grant
    Filed: October 29, 2018
    Date of Patent: April 18, 2023
    Assignee: TOCALO CO., LTD.
    Inventors: Shikou Abukawa, Kensuke Taguchi, Yu Asakimori, Ryutaro Kawamura
  • Patent number: 11504738
    Abstract: A coating is formed on a surface of a base material of a furnace, and includes a base layer and a sliding material layer that is formed on a surface of the base layer and contains an oxide ceramic and a compound having a layered crystal structure. The sliding material layer causes the collided ashes to be slipped and facilitates the drop off of the adhered ashes. The base material forms a heat transfer tube or a wall surface of the furnace. The coating is also applied to a coal gasification furnace, a pulverized coal fired boiler, a combustion apparatus, or a reaction apparatus containing a furnace.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: November 22, 2022
    Assignees: IHI Corporation, TOCALO Co., Ltd
    Inventors: Naoki Sato, Nobuhiko Kubota, Koki Hamada, Tatsuo Suidzu, Kazuhiro Takeuchi
  • Patent number: 11272579
    Abstract: Provided is a heat generating component of which volume resistivity hardly varies even if used repeatedly at a high temperature for a long period of time. Since a thin coating heater part (13) formed on a substrate part (12) is composed of a thermal sprayed coating containing TixOy (wherein, 0<y/x<2.0 is satisfied), obtained is a heat generating component (11) having volume resistivity which is suitable for a heater and hardly varies even if prescribed temperature change and temperature keeping are repeated.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: March 8, 2022
    Assignee: TOCALO CO., LTD.
    Inventors: Shikou Abukawa, Kensuke Taguchi, Toru Moriyama, Yasuhiro Sato, Akira Kumagai, Yu Asakimori
  • Patent number: 11193195
    Abstract: A component for a hot-dip metal plating bath includes a base material and a thermal spray coating disposed to cover a surface of the base material. The base material includes ferritic stainless steel that contains: C: 0.10% to 0.50% by mass; Si: 0.01% to 4.00% by mass; Mn: 0.10% by mass to 3.00% by mass; Cr: 15.0% to 30.0% by mass; a total of Nb, V, Ti, and Ta: 0.9% by mass to 5.0% by mass; and a balance of Fe and unavoidable impurities. The ferritic stainless steel includes a microstructure that includes a ferrite phase as a main phase and a crystallized carbide, an area fraction of a Nb carbide, a Ti carbide, a V carbide, a Ta carbide, and a composite carbide thereof to the crystallized carbide of 30% or more. The hot-dip metal plating bath contains 50% by mass or more of Al.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: December 7, 2021
    Assignees: TOCALO CO., LTD., DAIDO STEEL CO., LTD., DAIDO CASTINGS CO., LTD.
    Inventors: Junichi Takeuchi, Masaya Nagai, Shinichi Kubo, Masashi Nagaya, Yoshinori Sumi, Yoshihiko Koyanagi, Hiroyuki Takabayashi, Yasuhiro Takenaka
  • Patent number: 11174812
    Abstract: A sliding member capable of improving friction characteristics under an environment of a lubricant containing Mo, and a production method therefor, is provided. The sliding member contains a sliding portion formed of a metallic material having a Ti-containing thermally sprayed coating on a surface layer part of the sliding portion. The sliding member slides under the environment of the lubricant containing Mo as an additive, in which active Ti exposed on a surface by sliding accelerates decomposition reaction of the additive contained in the lubricant to form a molybdenum disulfide-containing low-friction coating having low friction on the surface of the sliding portion.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: November 16, 2021
    Assignees: TOYOTA MOTOR EAST JAPAN, INC., TOYOTA JIDOSHA KABUSHIKI KAISHA, TOCALO Co., Ltd.
    Inventors: Ryo Koike, Kazuyoshi Manabe, Akihiro Kanno
  • Patent number: 11131014
    Abstract: A ceramic substrate is irradiated in an atmospheric air with a laser having a power density of 1.0×107-1.0×109 W/cm2 for an action time on an irradiation area of 1.0×10?7-1.0×10?5 s to roughen a surface of the ceramic substrate, as well as to form an oxide layer on a roughened surface. A thermal sprayed coating formed on the ceramic substrate sufficiently adheres to the ceramic substrate via the oxide layer.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: September 28, 2021
    Assignee: TOCALO CO., LTD.
    Inventors: Hiroki Yokota, Daisuke Kawai, Tatsuo Suidzu
  • Publication number: 20210199054
    Abstract: A thermal barrier coating material contains a compound X that is a cation-deficient-type defective perovskite complex oxide. Unit cells of the compound X each include six oxygen atoms and has a structure in which two octahedrons sharing one oxygen atom are aligned. In the compound X, central axes of two octahedrons that belong to adjacent unit cells, respectively, and are adjacent to each other are inclined relative to each other. A plurality of sets of the two octahedrons that belong to the adjacent unit cells, respectively, and are adjacent to each other are arranged to form a periodic structure in which octahedrons having different inclinations are alternately arranged, and the compound X has a boundary surface at which a periodicity of the periodic structure changes, in a crystal structure thereof.
    Type: Application
    Filed: September 2, 2019
    Publication date: July 1, 2021
    Applicants: JAPAN FINE CERAMICS CENTER, TOCALO CO., LTD.
    Inventors: Tsuneaki MATSUDAIRA, Satoshi KITAOKA, Naoki KAWASHIMA, Takeharu KATO, Daisaku YOKOE, Takashi OGAWA, Craig FISHER, Yoichiro HABU, Mikako NAGAO, Yoshiyasu ITO, Yuhei OHIDE, Kaito TAKAGI
  • Publication number: 20210047968
    Abstract: A thermal barrier coating includes: a metal bonding layer made of an alloy containing Al; a thermal barrier layer; and an intermediate layer provided between the metal bonding layer and the thermal barrier layer. The thermal barrier layer contains a compound represented by the following general formula (1), LnxTayHfzO(3x+5y+4z)/2 (1) (wherein Ln is an atom of one element selected from among rare earth elements, x is 0 to 1.0, y is 0.8 to 3.0, and z is 0 to 7.0). The intermediate layer contains at least one layer selected from among the following (A) to (C): (A) a layer containing hafnium oxide (HfO2) as a main component; (B) a layer containing, as a main component, a compound consisting of tantalum (Ta), hafnium (Hf), and oxygen (O); and (C) a layer containing, as a main component, a compound consisting of a rare earth element, tantalum (Ta), hafnium (Hf), and oxygen (O).
    Type: Application
    Filed: March 1, 2019
    Publication date: February 18, 2021
    Applicants: JAPAN FINE CERAMICS CENTER, TOCALO CO.,LTD.
    Inventors: Tsuneaki MATSUDAIRA, Satoshi KITAOKA, Naoki KAWASHIMA, Daisaku YOKOE, Makoto TANAKA, Yoichiro HABU, Mikako NAGAO, Kazuo NODA, Yoshiyasu ITO, Yuhei OHIDE, Kaito TAKAGI
  • Patent number: 10914342
    Abstract: A sliding member includes: a base material; a solid lubricant layer arranged on a surface of the base material; a defect layer having a material defect, disposed in the solid lubricant layer, and being changeable into an ultra low friction layer by mechanical stress more easily than changing from the solid lubricant layer to the ultra low friction layer; and a ultra low friction layer covering a surface of the defect layer.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: February 9, 2021
    Assignees: DENSO CORPORATION, TOHOKU UNIVERSITY, TOCALO CO., LTD.
    Inventors: Kentaro Kishi, Yasunori Niiyama, Koshi Adachi, Shinya Miki
  • Patent number: 10900111
    Abstract: A method for producing a surface-modified component includes: a process of forming a thermal sprayed coating on a substrate; a process of irradiating a surface of the thermal sprayed coating with a high energy beam so as to cause an entirety of the thermal sprayed coating and a part of the substrate in a thickness direction to melt and then solidify, and thereby forming a densified modified layer; a process of forming a thermal sprayed coating on the modified layer which has been formed in the latest; and a process of irradiating a surface of the thermal sprayed coating with a high energy beam so as to cause an entirety of the thermal sprayed coating and a part of the modified layer which has been formed in the latest in the thickness direction to melt and then solidify, and thereby forming a densified modified layer.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: January 26, 2021
    Assignee: TOCALO CO., LTD.
    Inventors: Hiroki Yokota, Tatsuya Fukushi, Tatsuo Suidzu
  • Publication number: 20200391243
    Abstract: A coating is formed on a surface of a base material 11 of a furnace, and includes a base layer 12 and a sliding material layer 13 that is formed on a surface of the base layer 12 and contains an oxide ceramic and a compound having a layered crystal structure. The sliding material layer 13 causes the collided ashes to be slipped and facilitates the drop off of the adhered ashes. The base material 11 forms a heat transfer tube or a wall surface of the furnace. The coating is also applied to a coal gasification furnace, a pulverized coal fired boiler, a combustion apparatus, or a reaction apparatus containing a furnace.
    Type: Application
    Filed: September 1, 2020
    Publication date: December 17, 2020
    Applicants: IHI Corporation, TOCALO Co.,Ltd
    Inventors: Naoki SATO, Nobuhiko KUBOTA, Koki HAMADA, Tatsuo SUIDZU, Kazuhiro TAKEUCHI
  • Patent number: 10793818
    Abstract: The purpose of the present invention is to provide a culture container capable of preventing a concave meniscus without using a jig. In order to achieve this purpose, the present invention provides a culture container (1A) provided with: a base (3) having a concave portion (4); and a water-repellent layer (5) formed on an outer edge region (411) of the bottom (41) of the concave portion (4) and the inner circumferential surface (42) of the concave portion (4). One of the surfaces of the water-repellent layer (5) is exposed to the space in the concave portion (4).
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: October 6, 2020
    Assignee: TOCALO CO., LTD.
    Inventors: Shinichi Gomi, Kenichi Kagawa, Yusuke Yoda, Shinya Miki, Tatsuya Hamaguchi
  • Patent number: 10605300
    Abstract: A thermal spray powder is provided that contains, as constituent elements, a first element selected from W and Mo; a second element selected from Co, Ni, and Fe; a third element selected from C and B; and a fourth element formed of Si. The amount of the second element in the thermal spray powder is 40% by mole or less. The mole ratio of the fourth element to the second element in the thermal spray powder is 0.002 or greater and 0.03 or less. The thermal spray powder has a crystal phase containing Co, Ni, or Fe; W; and C or a crystal phase containing Co, Ni, or Fe; W or Mo; and B. In an X-ray diffraction spectrum of the thermal spray powder, the peak intensity attributed to Co, Ni, or Fe is at most 0.1 times the largest peak intensity in the same X-ray diffraction spectrum.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: March 31, 2020
    Assignees: TOCALO CO., LTD., FUJIMI INCORPORATED
    Inventors: Noriyuki Yasuo, Takeshi Takabatake, Tatsuo Suidzu, Hiroaki Mizuno, Takaya Masuda, Tatsuya Kuno
  • Patent number: 10605304
    Abstract: An insulated bearing includes a pair of bearing rings arranged concentrically to each other and rolling elements arranged to be rotatable between the pair of bearing rings, at least one of the bearing rings having an insulating layer formed thereon. The one of the bearing rings having the insulating layer formed thereon has an annular groove having an arc-shaped cross section formed on each of both end surfaces of the bearing ring. At least a surface from a non-raceway surface side circumferential surface to the annular groove of the bearing ring is covered by the insulating layer. The insulating layer is a ceramic thermal sprayed layer.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: March 31, 2020
    Assignees: NSK LTD., TOCALO CO., LTD
    Inventors: Manabu Yamada, Naozumi Nakata, Shinichi Nishiguchi, Junichi Takeuchi, Seiki Matsuura, Yuji Okada