4. Chemistry of inorganic compounds
  5. Hydrogen or compound thereof
  6. Elemental hydrogen

Cheng-Yen Chen

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Flexible power supply

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Process or means for producing – recycling – or treating...
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Hydrogen supply device

Chemistry of inorganic compounds – Hydrogen or compound thereof – Elemental hydrogen
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Method for forming periodic structure

Etching a substrate: processes – Forming or treating optical article
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Prestress-adjustable piezoelectric gripping device

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
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Profile ID: LFUS-PAI-P-2337297

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