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Patent applications and USPTO patent grants for Irikawa; Michinori.The latest application filed is for "waveguide type light receiving element".
Patent | Date |
---|---|
Waveguide type light receiving element Grant 5,926,585 - Irikawa , et al. July 20, 1 | 1999-07-20 |
Semiconductive light-emitting device having strained MQW with AlGaInAs barriers Grant 5,920,079 - Shimizu , et al. July 6, 1 | 1999-07-06 |
Semiconductor optical device Grant 5,583,878 - Shimizu , et al. December 10, 1 | 1996-12-10 |
Semiconductor laser device Grant 5,394,424 - Ijichi , et al. February 28, 1 | 1995-02-28 |
Semiconductor device with current confinement structure Grant 5,383,213 - Irikawa , et al. January 17, 1 | 1995-01-17 |
Quantum barrier semiconductor optical device Grant 5,251,224 - Irikawa , et al. October 5, 1 | 1993-10-05 |
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