4. Measuring and testing
  5. Surface and cutting edge testing
  6. Roughness

Masafumi Kyogaku

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Driving method for electron-emitting device, driving method...

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
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Electron emitting device, electron source and image display...

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

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Electron-emitting device, electron source and image-forming...

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

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Electron-emitting device, electron source and image-forming...

Semiconductor device manufacturing: process – Electron emitter manufacture
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Electron-emitting device, electron source, and image display...

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
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Profile ID: LFUS-PAI-P-1973948

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