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Inventor: Mineta; Takao
Address: Tokyo, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6984928 |
Coil filament |
January 10, 2006 |
| A coiled filament has a light emitter with a reduced volume as best possible to serve in downsizing a light bulb and elevate an illumination with high efficiency in an illuminated field. A flat coiled filament wound into flatness is arranged in the form of a helix or ring, locating t |
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