4. Liquid purification or separation
  5. Filter
  6. Supported, shaped or superimposed formed mediums

Kuniyasu Shiro

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Composite membrane

Liquid purification or separation – Filter – Supported – shaped or superimposed formed mediums
Patent

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Gas separation membrane

Gas separation – Means within gas stream for conducting concentrate to collector
Patent

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Polishing pad

Abrading – Flexible-member tool – per se
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Polishing pad and polishing device

Semiconductor device manufacturing: process – Chemical etching – Combined with the removal of material by nonchemical means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1264976

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