Patents by Inventor Okamoto Daisuke

Okamoto Daisuke 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: 7922408
    Abstract: A thermal transfer printer having a configuration in which a drive power of one motor is transmitted to a platen roller and a ribbon conveying mechanism can be easily assembled. The printer has: (a) a printing medium feed reel, (b) a ribbon feed reel, (c) a platen roller, (d) a thermal head, (e) a ribbon conveying roller, (f) a ribbon take-up reel, (g) a motor that drives the platen roller, (h) a rotary drive mechanism that transmits a drive power of the motor to the ribbon conveying roller via a first belt and transmits a drive power of the motor to the ribbon take-up reel via the first belt and a second belt, and (i) a tension unit comprising a plurality of pulleys that are in contact with the first and second belts and rotate following the movement thereof, a plurality of elastic members that adjust positions of the plurality of pulleys so as to apply tension to the first and second belts, and a plurality of fixing members that fix the positions of the plurality of pulleys.
    Type: Grant
    Filed: November 14, 2007
    Date of Patent: April 12, 2011
    Assignees: Kabushiki Kaisha Sato, Sato Knowledge and Intellectual Property Institute
    Inventor: Okamoto Daisuke
  • Publication number: 20080193184
    Abstract: A thermal transfer printer having a configuration in which a drive power of one motor is transmitted to a platen roller and a ribbon conveying mechanism can be easily assembled. The printer has: (a) a printing medium feed reel, (b) a ribbon feed reel, (c) a platen roller, (d) a thermal head, (e) a ribbon conveying roller, (f) a ribbon take-up reel, (g) a motor that drives the platen roller, (h) a rotary drive mechanism that transmits a drive power of the motor to the ribbon conveying roller via a first belt and transmits a drive power of the motor to the ribbon take-up reel via the first belt and a second belt, and (i) a tension unit comprising a plurality of pulleys that are in contact with the first and second belts and rotate following the movement thereof, a plurality of elastic members that adjust positions of the plurality of pulleys so as to apply tension to the first and second belts, and a plurality of fixing members that fix the positions of the plurality of pulleys.
    Type: Application
    Filed: November 14, 2007
    Publication date: August 14, 2008
    Inventor: Okamoto DAISUKE