Patents by Inventor Ken Yonaiyama

Ken Yonaiyama 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: 10143042
    Abstract: A heating device 10 including a heat-generating member 20 and a support member 30 that supports the heat-generating member 20 and comprises bio-soluble inorganic fibers, wherein the bio-soluble inorganic fibers do not contact directly the heat-generating member 20 or contact of the bio-soluble inorganic fibers with the heat-generating member 20 is reduced.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: November 27, 2018
    Assignee: NICHIAS CORPORATION
    Inventors: Tetsuya Mihara, Ken Yonaiyama, Tomohiko Kishiki, Yuta Isaka
  • Patent number: 9963380
    Abstract: Inorganic fibers including the following composition, SiO2, Al2O3, MgO and CaO being main components, and the inorganic fibers being produced by a melting method: SiO2: 3.0 wt % or more and less than 48.0 wt %, Al2O3: more than 20.0 wt % and 80.0 wt % or less, MgO: 1.0 wt % or more and 50.0 wt % or less, CaO: 1.0 wt % or more and 50.0 wt % or less, and Fe2O3: 0.0 wt % or more and less than 1.0 wt %.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: May 8, 2018
    Assignee: NICHIAS CORPORATION
    Inventors: Koji Iwata, Hideki Kitahara, Takahito Mochida, Ken Yonaiyama, Kazuki Soeda, Tatsuro Miki
  • Patent number: 9932264
    Abstract: Inorganic fibers including the following composition, SiO2, MgO and CaO being main components: SiO2: 73.6 wt % to 85.9 wt %, MgO: 9.0 wt % to 21.3 wt %, CaO: 5.1 wt % to 12.4 wt %, Al2O3: 0 wt % or more and less than 2.3 wt %, and Fe2O3: 0 wt % to 0.50 wt %.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: April 3, 2018
    Assignee: NICHIAS CORPORATION
    Inventors: Koji Iwata, Hideki Kitahara, Ken Yonaiyama, Kazuki Soeda, Tatsuro Miki
  • Publication number: 20170197872
    Abstract: Inorganic fibers including the following composition, SiO2, MgO and CaO being main components: SiO2: 73.6 wt % to 85.9 wt %, MgO: 9.0 wt % to 21.3 wt %, CaO: 5.1 wt % to 12.4 wt %, Al2O3: 0 wt % or more and less than 2.3 wt %, and Fe2O3: 0 wt % to 0.50 wt %.
    Type: Application
    Filed: October 15, 2014
    Publication date: July 13, 2017
    Applicant: NICHIAS CORPORATION
    Inventors: Koji IWATA, Hideki KITAHARA, Ken YONAIYAMA, Kazuki SOEDA, Tatsuro MIKI
  • Publication number: 20170137319
    Abstract: Inorganic fibers including the following composition, SiO2, Al2O3, MgO and CaO being main components, and the inorganic fibers being produced by a melting method: SiO2: 3.0 wt % or more and less than 48.0 wt %, Al2O3: more than 20.0 wt % and 80.0 wt % or less, MgO: 1.0 wt % or more and 50.0 wt % or less, CaO: 1.0 wt % or more and 50.0 wt % or less, and Fe2O3: 0.0 wt % or more and less than 1.0 wt %.
    Type: Application
    Filed: June 16, 2015
    Publication date: May 18, 2017
    Applicant: NICHIAS CORPORATION
    Inventors: Koji IWATA, Hideki KITAHARA, Takahito MOCHIDA, Ken YONAIYAMA, Kazuki SOEDA, Tatsuro MIKI
  • Patent number: 9434656
    Abstract: A wet blanket obtained by impregnating a blanket including bio-soluble inorganic fibers with a colloidal silica liquid. A cured blanket obtained by curing the wet blanket.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: September 6, 2016
    Assignee: NICHIAS CORPORATION
    Inventors: Tetsuya Ishihara, Tetsuya Mihara, Ken Yonaiyama, Tomohiko Kishiki
  • Patent number: 9174875
    Abstract: An inorganic fibrous shaped refractory article having a high bio-solubility which is capable of exhibiting a desired heat resistance without containing expensive ceramic fibers, alumina powder and silica powder can be provided at a low production cost and with a low product price. An inorganic fibrous shaped refractory article includes 2 to 95 mass % of rock wool, 2 to 95 mass % of inorganic powder having a needle-like crystal structure and 3 to 32 mass % of a binder. Preferably, in the an inorganic fibrous shaped refractory article, the inorganic powder having a needle-like crystal structure has an average length of 1 to 3000 ?m and an aspect ratio of 1 to 1000, and more preferably the inorganic powder having a needle-like crystal structure is wollostonite powder or sepiolite powder.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: November 3, 2015
    Assignee: Nichias Corporation
    Inventors: Koji Iwata, Ken Yonaiyama
  • Patent number: 9067832
    Abstract: To provide a highly bio-soluble fibrous shaped refractory article which can develop desired heat resistance without containing ceramic fibers such as aluminum silicate fibers, alumina powder and silica powder and can be provided at a low production cost and a low product cost. An inorganic fibrous shaped refractory article comprising 2 to 95 mass % of bio-soluble inorganic fibers having a dissolution ratio in a physiological saline at 40° C. of 1 mass % or more, 2 to 95 mass % of inorganic powder having a needle-like crystal structure and 3 to 32 mass % of a binder, and in particular, it is an inorganic fibrous refractory article wherein the inorganic powder having the needle-like crystal structure has an average length of 1 to 3000 ?m and an aspect ratio of 1 to 1000.
    Type: Grant
    Filed: December 24, 2010
    Date of Patent: June 30, 2015
    Assignee: NICHIAS CORPORATION
    Inventors: Koji Iwata, Ken Yonaiyama
  • Publication number: 20150163861
    Abstract: A heating device 10 including a heat-generating member 20 and a support member 30 that supports the heat-generating member 20 and comprises bio-soluble inorganic fibers, wherein the bio-soluble inorganic fibers do not contact directly the heat-generating member 20 or contact of the bio-soluble inorganic fibers with the heat-generating member 20 is reduced.
    Type: Application
    Filed: November 15, 2012
    Publication date: June 11, 2015
    Inventors: Tetsuya Mihara, Ken Yonaiyama, Tomohiko Kishiki, Yuta Isaka
  • Publication number: 20150144828
    Abstract: A composition for inorganic fibers having the following composition ratio and including no solvent: SiO2 1.0 to 54.5 wt %; Al2O3 less than 58.0 wt %; MgO 1.0 to 69.0 wt %; CaO 6.0 wt % or less; and the total of SiO2, Al2O3 and MgO exceeding 94.0 wt %.
    Type: Application
    Filed: May 28, 2012
    Publication date: May 28, 2015
    Applicant: NICHIAS CORPORATION
    Inventors: Koji Iwata, Hideki Kitahara, Takahito Mochida, Ken Yonaiyama, Yoichi Ishikawa, Tatsuro Miki
  • Publication number: 20150144830
    Abstract: Inorganic fibers which contain Na2O, SiO2 and Al2O3 as main components and do not react with alumina at 600° C.
    Type: Application
    Filed: April 12, 2013
    Publication date: May 28, 2015
    Inventors: Koji Iwata, Hideki Kitahara, Takahito Mochida, Yoichi Ishikawa, Tatsuro Miki, Ken Yonaiyama
  • Publication number: 20150033986
    Abstract: An inorganic fibrous shaped product including organic fiber that includes at least biosoluble inorganic fiber having the following composition and an organic thickener, and including no colloidal silica: [Composition] SiO2: 70 to 82 wt %; CaO: 10 to 29 wt %; MgO: 1 wt % or less; Al2O3: less than 5 wt %; and the total of SiO2, CaO, MgO and Al2O3 exceeds 98 wt %.
    Type: Application
    Filed: December 4, 2012
    Publication date: February 5, 2015
    Inventors: Ken Yonaiyama, Tetsuya Mihara, Hiroki Muramatsu, Tomohiko Kishiki
  • Patent number: 8940134
    Abstract: Inorganic fiber paper including bio-soluble inorganic fibers which have been subjected to a heat treatment and a binder. A method for producing inorganic fiber paper including: the first step of subjecting amorphous bio-soluble inorganic fibers to a heat treatment; and the second step of making paper comprising the heat-treated bio-soluble inorganic fibers and a binder. Equipment for heating and/or thermal insulation which includes the inorganic fiber paper.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: January 27, 2015
    Assignee: Nichias Corporation
    Inventors: Tetsuya Ishihara, Tetsuya Mihara, Ken Yonaiyama, Tomohiko Kishiki
  • Publication number: 20140378596
    Abstract: A paste-like unshaped composition including inorganic fibers that have the following composition ratio and are not coated with a coating layer; an inorganic binder; and a solvent, wherein the composition further optionally comprises inorganic powder, the ratio of the inorganic fibers and the inorganic powder is 100:0 to 10:90, the composition comprises no pH adjuster and no organic fibers, and when the inorganic powder is contained, the inorganic powder does not contain a needle-like crystal structure, [Composition ratio of inorganic fibers] SiO2 66 to 82 wt %; CaO 10 to 34 wt %; MgO 3 wt % or less; Al2O3 5 wt % or less; and the total of SiO2, CaO, MgO and Al2O3 is 98 wt % or more.
    Type: Application
    Filed: November 9, 2012
    Publication date: December 25, 2014
    Inventors: Ken Yonaiyama, Tetsuya Mihara, Tomohiko Kishiki, Tetsuya Ishihara
  • Publication number: 20140370284
    Abstract: Inorganic fiber having the following composition ratio and comprising 40 wt % or less of shots each having a diameter of 45 ?m or more: [Composition ratio of inorganic fiber] SiO2 66 to 82 wt %; CaO 10 to 34 wt %; MgO 0 to 3 wt %; Al2O3 0 to 5 wt %; and the total of SiO2, CaO, MgO and Al2O3 is 98 wt % or more.
    Type: Application
    Filed: November 13, 2012
    Publication date: December 18, 2014
    Inventors: Takashi Nakajima, Ken Yonaiyama, Tetsuya Mihara, Tomohiko Kishiki
  • Publication number: 20140356622
    Abstract: An inorganic fiber including biosoluble fiber and a cationic surfactant adhering to the biosoluble fiber. An inorganic fiber including biosoluble fiber and a surfactant adhering to the biosoluble fiber, wherein the amount of the surfactant is 0.01 to 2 wt %, based on 100 wt % of the whole inorganic fiber comprising the surfactant adhered thereto.
    Type: Application
    Filed: November 12, 2012
    Publication date: December 4, 2014
    Inventors: Takashi Nakajima, Ken Yonaiyama, Tetsuya Mihara, Tomohiko Kishiki
  • Patent number: 8821626
    Abstract: An adhesive for inorganic fibers including SiO2, CaO and Al2O3 within a range excluding the range I defined by the following points A, 8, 18, 19 and 20 in the SiO2—Al2O3—CaO state diagram shown in FIG. 1, and including no zeolite. Point A: SiO2 (0%), Al2O3 (100%), CaO (0%): Point 8: SiO2 (20.8%), Al2O3 (79.2%), CaO (0%): Point 18: SiO2 (46.3%), Al2O3 (35.8%), CaO (17.9%): Point 19: SiO2 (31.5%), Al2O3 (53.6%), CaO (14.9%): Point 20: SiO2 (25.2%), Al2O3 (57.5%), CaO (17.3%).
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: September 2, 2014
    Assignee: Nichias Corporation
    Inventors: Ken Yonaiyama, Tetsuya Mihara, Tetsuya Ishihara, Tomohiko Kishiki
  • Publication number: 20140134444
    Abstract: An inorganic fiber block obtained by stacking blanket-like products each including inorganic fibers, wherein the composition of the inorganic fibers have the following composition: SiO2: 66 to 82 mass %, CaO:10 to 34 mass %, MgO: 0 to 3 mass %, Al2O3: 0 to 5 mass %, and the total of SiO2, CaO, MgO and Al2O3 is 99 mass % or more.
    Type: Application
    Filed: November 14, 2012
    Publication date: May 15, 2014
    Applicant: NICHIAS CORPORATION
    Inventors: Yoshinori OCHI, Tetsuya MIHARA, Ken YONAIYAMA, Tomohiko KISHIKI, Takashi NAKAJIMA
  • Publication number: 20140069566
    Abstract: A wet blanket obtained by impregnating a blanket including bio-soluble inorganic fibers with a colloidal silica liquid. A cured blanket obtained by curing the wet blanket.
    Type: Application
    Filed: November 14, 2013
    Publication date: March 13, 2014
    Applicant: Nichias Corporation
    Inventors: Tetsuya Ishihara, Tetsuya Mihara, Ken Yonaiyama, Tomohiko Kishiki
  • Patent number: 8641868
    Abstract: Inorganic fiber paper includes first biosoluble inorganic fibers having an average fiber diameter of 3 to 7 ?m, second biosoluble inorganic fibers having an average fiber diameter of 2 to 3 ?m, and a binder, the average fiber diameter of the second biosoluble inorganic fibers being smaller than that of the first biosoluble inorganic fibers.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: February 4, 2014
    Assignee: Nichias Corporation
    Inventors: Tetsuya Mihara, Ken Yonaiyama, Tetsuya Ishihara, Tomohiko Kishiki