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Patent applications and USPTO patent grants for Yamamoto; Motoyuki.The latest application filed is for "rib waveguide type semiconductor laser".
Patent | Date |
---|---|
Rib waveguide type semiconductor laser Grant 4,959,839 - Yamamoto September 25, 1 | 1990-09-25 |
Double-heterostructure semiconductor with mesa stripe waveguide Grant 4,949,349 - Ohba , et al. August 14, 1 | 1990-08-14 |
Semiconductor laser with mesa stripe waveguide structure Grant 4,910,743 - Ohba , et al. March 20, 1 | 1990-03-20 |
Manufacturing method for semiconductor laser with mesa stripe Grant 4,835,117 - Ohba , et al. May 30, 1 | 1989-05-30 |
Double-heterostructure semiconductor with mesa stripe waveguide Grant 4,809,287 - Ohba , et al. February 28, 1 | 1989-02-28 |
Transverse-mode stabilized semiconductor laser diode with slab-coupled waveguide Grant 4,799,228 - Nagasaka , et al. January 17, 1 | 1989-01-17 |
Semiconductor laser with mesa stripe waveguide structure Grant 4,792,958 - Ohba , et al. December 20, 1 | 1988-12-20 |
Method For The Liquid Phase Epitaxial Growth Of Semiconductor Crystals Grant 3,765,959 - Unno , et al. October 16, 1 | 1973-10-16 |
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