Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366552 | Apparatus for liquid-phase epitaxial growth | Masato Yamada, Masahisa Endo | 1994-11-22 |
| 5362683 | Method of making epitaxial wafers | Masahisa Endo, Masato Yamada | 1994-11-08 |
| 5323027 | Light emitting device with double heterostructure | Masato Yamada | 1994-06-21 |
| 5302832 | Method for evaluation of spatial distribution of deep level concentration in semiconductor crystal | Yutaka Kitagawara, Ryoji Hoshi | 1994-04-12 |