Patents by Inventor Hirohito Niimi

Hirohito Niimi 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).

  • Constant temperature liquid circulating apparatus
    Patent number: 7073342
    Abstract: The whole main tank for housing the constant temperature liquid the temperature of which is adjusted by a temperature adjusting device is supported in a sub tank with a gap as a heat insulating layer around the main tank. A liquid level regulating mechanism supplies and discharges the constant temperature liquid between inside of the main tank and the gap formed in the sub tank to thereby achieve heat insulation and regulation of the liquid level of the constant temperature liquid housed in the main tank by utilizing the same gap in the sub tank.
    Type: Grant
    Filed: August 9, 2004
    Date of Patent: July 11, 2006
    Assignee: SMC Corporation
    Inventors: Tetsuo Sakaguchi, Hirohito Niimi
  • Constant temperature liquid crculating apparatus
    Publication number: 20050072172
    Abstract: The whole main tank for housing the constant temperature liquid the temperature of which is adjusted by a temperature adjusting device is supported in a sub tank with a gap as a heat insulating layer around the main tank. A liquid level regulating mechanism supplies and discharges the constant temperature liquid between inside of the main tank and the gap formed in the sub tank to thereby achieve heat insulation and regulation of the liquid level of the constant temperature liquid housed in the main tank by utilizing the same gap in the sub tank.
    Type: Application
    Filed: August 9, 2004
    Publication date: April 7, 2005
    Applicant: SMC Corporation
    Inventors: Tetsuo Sakaguchi, Hirohito Niimi