Patents by Inventor Shunrokuro FUJIWARA

Shunrokuro FUJIWARA 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).

  • Fertigation system, fertigation control server, salts accumulation determination method, and soil EC sensor
    Patent number: 10561081
    Abstract: A fertigation system comprises: a controller that transmits sensor data to a fertigation control server, and that controls a water supply valve, a culture stock solution supply valve, and a discharge valve on the basis of received data; and a fertigation control server that, on the basis of the sensor data received from the controller, calculates control amounts for the water supply valve, the culture stock solution supply valve, and the discharge valve, and returns the control amounts to the controller.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: February 18, 2020
    Assignees: Routrek Networks, Inc., MEIJI UNIVERSITY
    Inventors: Kiyoshi Ozawa, Shunrokuro Fujiwara, Shinichi Sasaki, Eiji Kita, Hironao Tokitsu, Hiroshi Taketazu
  • FERTIGATION SYSTEM, FERTIGATION CONTROL SERVER, SALTS ACCUMULATION DETERMINATION METHOD, AND SOIL EC SENSOR
    Publication number: 20180103596
    Abstract: A fertigation system comprises: a controller that transmits sensor data to a fertigation control server, and that controls a water supply valve, a culture stock solution supply valve, and a discharge valve on the basis of received data; and a fertigation control server that, on the basis of the sensor data received from the controller, calculates control amounts for the water supply valve, the culture stock solution supply valve, and the discharge valve, and returns the control amounts to the controller.
    Type: Application
    Filed: March 29, 2016
    Publication date: April 19, 2018
    Applicants: Routrek Networks, Inc., MEIJI UNIVERSITY
    Inventors: Kiyoshi OZAWA, Shunrokuro FUJIWARA, Shinichi SASAKI, Eiji KITA, Hironao TOKITSU, Hiroshi TAKETAZU