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INK-JET INK, METHOD FOR ALLEVIATING KOGATION ON SURFACE OF HEATER OF INK-JET RECORDING HEAD, METHOD FOR INK-JET RECORDING, INK-JET RECORDING APPARATUS, RECORDING UNIT AND METHOD FOR PROLONGING INK-JET RECORDING HEAD LIFE

US Patent 6682588 · Granted Jan 27, 2004

Estimated economic value: $361,000

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