4. Office supplies; artists and teachers materials
  5. Equipment for writing, drawing, or for fine arts
  6. Marking instrument

Toshiharu Oyabu

Inventor

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Ball point pen

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Marking instrument
Patent

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Defoaming and air-water treating device

Liquid purification or separation – With means to add treating material – Directly applied to separator
Reexamination Certificate

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Water quality improver

Liquid purification or separation – With means to add treating material
Reexamination Certificate

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Profile ID: LFUS-PAI-P-728069

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