Patents by Inventor Tadafumi Ohashi

Tadafumi Ohashi 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).

  • CARBON HEATER, HEATER UNIT, FIRING FURNACE, AND METHOD FOR MANUFACTURING SILICON-CONTAINING POROUS CERAMIC FIRED BODY
    Publication number: 20150351159
    Abstract: A carbon heater to fire a silicon-containing material in a non-oxidizing atmosphere includes a cross-sectional shape of a substantially n-sided polygon, and n represents any one of 3 to 8.
    Type: Application
    Filed: May 29, 2015
    Publication date: December 3, 2015
    Applicant: IBIDEN CO., LTD.
    Inventors: Hiromichi KAMIJO, Tadafumi OHASHI, Takamitsu SAIJO
  • Method of manufacturing honeycomb structure and degreasing apparatus for honeycomb molded body
    Patent number: 8821661
    Abstract: A method of manufacturing a honeycomb structure including a honeycomb unit includes forming a honeycomb molded body having a plurality of cells extending from a first end face to a second end face of the honeycomb molded body along a longitudinal direction of the honeycomb molded body and separated by a plurality of cell walls, placing the honeycomb molded body in a degreasing apparatus so that the first end face faces downward and the second end face faces upward, feeding introduced gas into the degreasing apparatus, degreasing the honeycomb molded body at a temperature of approximately 200° C. to approximately 400° C., and firing the degreased honeycomb molded body at a temperature of approximately 500° C. to approximately 900° C. to obtain the honeycomb unit.
    Type: Grant
    Filed: October 21, 2011
    Date of Patent: September 2, 2014
    Assignee: Ibiden Co., Ltd.
    Inventors: Yuji Haga, Yusuke Fujii, Tadafumi Ohashi
  • METHOD OF MANUFACTURING HONEYCOMB STRUCTURE AND DEGREASING APPARATUS FOR HONEYCOMB MOLDED BODY
    Publication number: 20120111477
    Abstract: A method of manufacturing a honeycomb structure including a honeycomb unit includes forming a honeycomb molded body having a plurality of cells extending from a first end face to a second end face of the honeycomb molded body along a longitudinal direction of the honeycomb molded body and separated by a plurality of cell walls, placing the honeycomb molded body in a degreasing apparatus so that the first end face faces downward and the second end face faces upward, feeding introduced gas into the degreasing apparatus, degreasing the honeycomb molded body at a temperature of approximately 200° C. to approximately 400° C., and firing the degreased honeycomb molded body at a temperature of approximately 500° C. to approximately 900° C. to obtain the honeycomb unit.
    Type: Application
    Filed: October 21, 2011
    Publication date: May 10, 2012
    Applicant: IBIDEN CO., LTD.
    Inventors: Yuji Haga, Yusuke Fujii, Tadafumi Ohashi
  • MANUFACTURING METHODS OF CERAMIC FIRED BODY, HONEYCOMB STRUCTURE, AND EXHAUST GAS CONVERTING DEVICE, AND DRYING APPARATUS
    Publication number: 20120086153
    Abstract: A manufacturing method of a ceramic fired body includes forming a composition of ceramic raw material containing water to make a ceramic molded body. The ceramic molded body is irradiated with a microwave under a depressurized atmosphere of about 1 KPa or more and about 50 kPa or less to dry the ceramic molded body. The ceramic molded body is fired to make the ceramic fired body.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 12, 2012
    Applicant: IBIDEN CO., LTD.
    Inventors: Ryoichi KUDO, Tsubasa Sonoo, Tadafumi Ohashi, Yuji Haga