4. Electric lamp and discharge devices
  5. Electrode and shield structures
  6. Cathodes containing and/or coated with electron emissive...

Eiichirou Uda

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Impregnated type cathode assembly, cathode substrate for use in

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Patent

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Impregnated-type cathode substrate with large particle...

Electric lamp or space discharge component or device manufacturi – Process – Electrode making
Reexamination Certificate

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Impregnated-type cathode substrate with large particle...

Electric lamp and discharge devices – Discharge devices having a thermionic or emissive cathode
Reexamination Certificate

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Profile ID: LFUS-PAI-P-585736

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