Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690035 | Semiconductor device having an active region of alternating layers | Toshiya Yokogawa, Osamu Kusumoto, Makoto Kitabatake, Takeshi Uenoyama | 2004-02-10 |
| 6674131 | Semiconductor power device for high-temperature applications | Toshiya Yokogawa, Makoto Kitabatake, Osamu Kusumoto, Takeshi Uenoyama, Koji Miyazaki | 2004-01-06 |