Patents by Inventor Takeaki Yoshikawa

Takeaki Yoshikawa 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: 8539627
    Abstract: A body position and pressure control apparatus is provided capable of highly accurately detecting body pressure distribution without causing a sense of discomfort for a sleeper, changing body positions, and distributing body pressure. The body position and pressure control apparatus has a mattress provided with a plurality of divided portions and supporting a sleeper, an elastomer sensor, and a body pressure adjuster controlling each of the divided portions based on an instruction from the elastomer sensor and thereby changing the body pressure distribution of the sleeper. The elastomer sensor has a sheet sensor main body and a calculator, the sensor main body having an elastomer sensor thin film, a plurality of electrodes, and a plurality of detectors corresponding to the divided portions provided between the electrodes.
    Type: Grant
    Filed: December 20, 2010
    Date of Patent: September 24, 2013
    Assignee: Tokai Rubber Industries, Ltd.
    Inventors: Masaki Terawaki, Takeaki Yoshikawa, Hiroaki Ito
  • Publication number: 20110308019
    Abstract: A body position and pressure control apparatus is provided capable of highly accurately detecting body pressure distribution without causing a sense of discomfort for a sleeper, changing body positions, and distributing body pressure. The body position and pressure control apparatus has a mattress provided with a plurality of divided portions and supporting a sleeper, an elastomer sensor, and a body pressure adjuster controlling each of the divided portions based on an instruction from the elastomer sensor and thereby changing the body pressure distribution of the sleeper. The elastomer sensor has a sheet sensor main body and a calculator, the sensor main body having an elastomer sensor thin film, a plurality of electrodes, and a plurality of detectors corresponding to the divided portions provided between the electrodes.
    Type: Application
    Filed: December 20, 2009
    Publication date: December 22, 2011
    Applicant: TOKAI RUBBER INDUSTRIES, LTD.
    Inventors: Masaki Terawaki, Takeaki Yoshikawa, Hiroaki Ito