Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6751243 | Semiconductor device with quantum dots having high carrier injection efficiency, its manufacture method, and semiconductor laser device | — | 2004-06-15 |
| 6639254 | Epitaxial layer capable of exceeding critical thickness | Mitsuru Sugawara | 2003-10-28 |