Umeda; Junichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umeda; Junichi.The latest application filed is for "semiconductor light emitting element".
- Umeda; Junichi - Hachioji JP
- Umeda; Junichi - Kodaira JA
| Patent | Date |
|---|---|
| Semiconductor light emitting element Grant 4,361,887 - Nakamura , et al. November 30, 1 | 1982-11-30 |
| Semiconductor laser device Grant 4,178,604 - Nakamura , et al. December 11, 1 | 1979-12-11 |
| Semiconductor Laser Device And Method For Manufacturing The Same Grant 3,783,351 - Tsukada , et al. January 1, 1 | 1974-01-01 |
| Light-emitting Diode With Subnanosecond Response Time Grant 3,636,416 - Umeda January 18, 1 | 1972-01-18 |
| Light-emitting Diode With Built-in Drift Field Grant 3,634,872 - Umeda January 11, 1 | 1972-01-11 |
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