Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818945 | Semiconductor device | Syotaro Ono, Akio Nakagawa | 2004-11-16 |
| 6787848 | Vertical type power mosfet having trenched gate structure | Syotaro Ono | 2004-09-07 |
| 6720618 | Power MOSFET device | Norio Yasuhara, Syotaro Ono, Shinichi Hodama, Akio Nakagawa | 2004-04-13 |
| 6690085 | High-voltage semiconductor device used as switching element or the like | Akio Nakagawa | 2004-02-10 |