Patents by Inventor Miki OKAWARA

Miki OKAWARA 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).

  • Publication number: 20210284471
    Abstract: A controller drives a floating unit and a conveyor to perform a sheet feed operation, during the sheet feed operation, acquires an amount of received light at a detector during floating of sheets floated by the floating unit each time each sheet is conveyed by the conveyor, and perform a following control of lifting a stacking tray upon the acquired amount of received light being less than a threshold value. The controller, after start of the sheet feed operation, samples amounts of received light at the detector during floating of the sheets floated by the floating unit, performs a threshold value determination process of determining the threshold value by using the sampled amounts of received light, and starts the following control upon determining the threshold value.
    Type: Application
    Filed: March 2, 2021
    Publication date: September 16, 2021
    Applicant: RISO KAGAKU CORPORATION
    Inventor: Miki OKAWARA
  • Publication number: 20210155428
    Abstract: A transportation apparatus includes a plurality of transportation members that are arranged in a transportation direction for a medium and transport the medium, a plurality of actuators that drive the plurality of transportation members, and a processor that controls the plurality of actuators in such a manner as to increase transportation velocities of the plurality of actuators in order from actuators for driving transportation members on a downstream side in the transportation direction to actuators for driving transportation members on an upstream side in the transportation direction.
    Type: Application
    Filed: November 16, 2020
    Publication date: May 27, 2021
    Applicant: RISO KAGAKU CORPORATION
    Inventors: Ryuichi SHIBATA, Miki OKAWARA