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Norio Asakura

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Electron tube

Electric lamp and discharge devices – Photosensitive – Photocathode
Patent

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Electron tube

Electric lamp and discharge devices – Photosensitive – Photocathode
Reexamination Certificate

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Electron tube with electron lens

Electric lamp and discharge devices – Photosensitive – Photocathode
Patent

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Electron tube with improved airtight seal between faceplate and

Electric lamp and discharge devices – Photosensitive – Photomultiplier
Patent

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Electron tube with improved airtight seal between faceplate and

Electric lamp and discharge devices – Photosensitive – Photocathode
Patent

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Profile ID: LFUS-PAI-P-346811

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