Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815721 | Diamond semiconductor and diamond semiconductor light-emitting device that uses the semiconductor | Hideyo Okushi, Hideyuki Watanabe, Daisuke Takeuchi | 2004-11-09 |
| 6727171 | Diamond pn junction diode and method for the fabrication thereof | Daisuke Takeuchi, Hideyuki Watanabe, Hideyo Okushi, Masataka Hasegawa, Masahiko Ogura +2 more | 2004-04-27 |