Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770508 | Electrode for silicon carbide semiconductor, silicon carbide semiconductor element comprising the electrode, and production method therefor | Yasuo Okuyama, Hitoshi Yokoi, Takafumi Oshima | 2004-08-03 |
| 6627964 | Gas sensor | Yasuo Okuyama, Hitoshi Yokoi, Takafumi Oshima | 2003-09-30 |