Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979584 | Method for producing group III nitride compound semiconductor and group III nitride compound semiconductor device | Masayoshi Koike, Toshio Hiramatsu | 2005-12-27 |
| 6967122 | Group III nitride compound semiconductor and method for manufacturing the same | — | 2005-11-22 |
| 6861305 | Methods for fabricating group III nitride compound semiconductors and group III nitride compound semiconductor devices | Masayoshi Koike, Toshio Hiramatsu, Seiji Nagai | 2005-03-01 |
| 6855620 | Method for fabricating Group III nitride compound semiconductor substrates and semiconductor devices | Masayoshi Koike, Seiji Nagai | 2005-02-15 |