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Patent applications and USPTO patent grants for Umeda; Jun-ichi.The latest application filed is for "phase-locked semiconductor laser device".
Patent | Date |
---|---|
Phase-locked semiconductor laser device Grant 4,509,173 - Umeda , et al. April 2, 1 | 1985-04-02 |
Phase-locked semiconductor laser device Grant 4,503,540 - Nakashima , et al. March 5, 1 | 1985-03-05 |
Semiconductor laser device Grant 4,432,091 - Kuroda , et al. February 14, 1 | 1984-02-14 |
Semiconductor laser device Grant 4,426,703 - Kuroda , et al. January 17, 1 | 1984-01-17 |
Semiconductor laser device Grant 4,369,513 - Umeda , et al. January 18, 1 | 1983-01-18 |
Semiconductor laser device with facet passivation film Grant 4,337,443 - Umeda , et al. June 29, 1 | 1982-06-29 |
Semiconductor laser device Grant 4,326,176 - Aiki , et al. April 20, 1 | 1982-04-20 |
Semiconductor laser device Grant 4,288,757 - Kajimura , et al. September 8, 1 | 1981-09-08 |
Semiconductor laser device Grant 4,257,011 - Nakamura , et al. March 17, 1 | 1981-03-17 |
Semiconductor laser device Grant 4,176,325 - Kajimura , et al. November 27, 1 | 1979-11-27 |
Light Emitting Diodes Of The Injection Type Grant 3,813,587 - Umeda , et al. May 28, 1 | 1974-05-28 |
Voltage Indicator Employing A Resistive Network And Light Emitting Diodes Grant 3,795,863 - Umeda , et al. March 5, 1 | 1974-03-05 |
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