Patents by Inventor Eikichi SHIBATA

Eikichi SHIBATA 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).

  • Drawing and erasing apparatus and erasing method
    Patent number: 11364727
    Abstract: A drawing and erasing apparatus includes a light source section that includes a plurality of laser elements different from each other in emission wavelength, a multiplexer that multiplexes a plurality of types of laser light beams outputted from the plurality of laser elements, a scanner section that performs scanning with multiplexed light outputted from the multiplexer on a reversible recording medium including a plurality of recording layers, the plurality of recording layers being reversible and different from each other in developed color hue, and a controller that controls a main scanning speed and a sub-scanning speed of the scanner section to cause the scanner section to perform overlapping scanning of a predetermined region on the reversible recording medium during erasure of information written on the reversible recording medium.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: June 21, 2022
    Assignee: Sony Corporation
    Inventors: Isao Takahashi, Nobukazu Hirai, Satoko Asaoka, Mitsunari Hoshi, Taichi Takeuchi, Eikichi Shibata
  • DRAWING AND ERASING APPARATUS AND ERASING METHOD
    Publication number: 20210187965
    Abstract: A drawing and erasing apparatus includes a light source section that includes a plurality of laser elements different from each other in emission wavelength, a multiplexer that multiplexes a plurality of types of laser light beams outputted from the plurality of laser elements, a scanner section that performs scanning with multiplexed light outputted from the multiplexer on a reversible recording medium including a plurality of recording layers, the plurality of recording layers being reversible and different from each other in developed color hue, and a controller that controls a main scanning speed and a sub-scanning speed of the scanner section to cause the scanner section to perform overlapping scanning of a predetermined region on the reversible recording medium during erasure of information written on the reversible recording medium.
    Type: Application
    Filed: June 6, 2019
    Publication date: June 24, 2021
    Inventors: Isao TAKAHASHI, Nobukazu HIRAI, Satoko ASAOKA, Mitsunari HOSHI, Taichi TAKEUCHI, Eikichi SHIBATA