4. Refrigeration
  5. Gas compression, heat regeneration and expansion, e.g.,...

Nobuo Okumura

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Cryogenic refrigerating device

Refrigeration – Low pressure cold trap process and apparatus
Reexamination Certificate

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Cryogenic refrigerator

Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Patent

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Cryogenic refrigerator

Refrigeration – Gas compression – heat regeneration and expansion – e.g.,...
Patent

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Electrostatic chuck and the method of operating the same

Electricity: electrical systems and devices – Electric charge generating or conducting means – Use of forces of electric charge or field
Patent

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Flexure bearing

Spring devices – Bendable along flat surface – Ring or annular spider
Patent

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Profile ID: LFUS-PAI-P-806248

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