4. Lighting
  5. Light source
  6. Electric light bulb

Shiro Iida

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Arc tube and low-pressure mercury lamp

Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure
Reexamination Certificate

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Arc tube formed from a glass tube and having a spirally...

Electric lamp and discharge devices – With gas or vapor – Envelope with particular structure
Reexamination Certificate

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Arc tube manufacturing method that reduces unevenness in...

Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Reexamination Certificate

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Arc tube with shortened total length, manufacturing method...

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Reexamination Certificate

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Arc tube with shortened total length, manufacturing method...

Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Reexamination Certificate

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Profile ID: LFUS-PAI-P-156899

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