4. Chemistry: electrical current producing apparatus, product, and
  5. Fuel cell, subcombination thereof, or method of making or...
  6. Grouping of fuel cells into stack or module

Kei Matsuoka

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Battery device

Chemistry: electrical current producing apparatus – product – and – With heat exchange feature
Reexamination Certificate

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Battery device having a turbulence accelerator for...

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Reexamination Certificate

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Centrifugal blower unit having swirl chamber, and electronic...

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate

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Direct type fuel cell power generator

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Grouping of fuel cells into stack or module
Reexamination Certificate

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Fuel cartridge for fuel cell and fuel cell

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2177054

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