4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Screen

Hajime Tanaka

Inventor

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Action mechanism of an upright piano

Music – Instruments – Stringed
Patent

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Cathode ray tube with film on face-plate

Electric lamp and discharge devices – Cathode ray tube – Envelope
Patent

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Color cathode ray tube

Electric lamp and discharge devices – Cathode ray tube – Screen
Patent

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Color cathode ray tube including a red emitting phosphor and a l

Electric lamp and discharge devices – Cathode ray tube – Envelope
Patent

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Color image forming apparatus

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Reexamination Certificate

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Profile ID: LFUS-PAI-P-526749

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