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CSK Inc.

Also on record
Records under this name other than the patents CSK Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 5 patents it holds.

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PatentTitleStatus Expires Confidence
US 7,278,438Apparatus and process for refilling a bubbler
Term ended
Term ended Nov 1, 2025 · From the USPTO record
Term endedTerm ended Nov 1, 2025From the USPTO record
US 7,202,423Apparatus for weighing out the remaining quantity of a substance in a storage vessel
Lapsed on the fee record
Ended Apr 10, 2019 · From the USPTO record
Lapsed on the fee recordEnded Apr 10, 2019From the USPTO record
US 6,852,068Training machine, image output processing device and method, and recording medium which stores image outputting programs
Lapsed on the fee record
Ended Feb 8, 2013 · From the USPTO record
Lapsed on the fee recordEnded Feb 8, 2013From the USPTO record
US 6,805,656Training machine, image output processing device and method, and recording medium which stores image outputting programs
Lapsed on the fee record
Ended Oct 19, 2012 · From the USPTO record
Lapsed on the fee recordEnded Oct 19, 2012From the USPTO record
US 6,634,992Training machine, image output processing device and method, and recording medium which stores image outputting programs
Lapsed on the fee record
Ended Oct 21, 2011 · From the USPTO record
Lapsed on the fee recordEnded Oct 21, 2011From the USPTO record
US 4,794,244Method and apparatus for detecting focussing position deviation of read/write apparatus in an optical recording medium
Term ended
Term ended no later than Dec 27, 2008 · Low confidence
Term endedTerm ended no later than Dec 27, 2008Low confidence
US 4,815,062Write-once data writing system for optical recording medium
Term ended
Term ended no later than Mar 21, 2009 · Low confidence
Term endedTerm ended no later than Mar 21, 2009Low confidence
US 4,817,067Optical recording medium
Term ended
Term ended no later than Mar 28, 2009 · Low confidence
Term endedTerm ended no later than Mar 28, 2009Low confidence
US 4,831,609Tracking method and apparatus for optical recording medium
Term ended
Term ended no later than May 16, 2009 · Low confidence
Term endedTerm ended no later than May 16, 2009Low confidence
US 4,879,691Optical recording system with optical recording medium having multilevel recording surface for tracking
Term ended
Term ended no later than Nov 7, 2009 · Low confidence
Term endedTerm ended no later than Nov 7, 2009Low confidence
10 of 34 patents shown.
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Pro members: see all 34 patents
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