Watarai; Yoshiaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Watarai; Yoshiaki.The latest application filed is for "high pressure metal vapor discharge lamp".
- Watarai; Yoshiaki - Takatsuki JA
| Patent | Date |
|---|---|
| High pressure metal vapor discharge lamp Grant 3,898,504 - Akutsu , et al. August 5, 1 | 1975-08-05 |
| High-pressure Metal-vapor Discharge Tube Grant 3,716,743 - Mizuno , et al. February 13, 1 | 1973-02-13 |
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