Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6930532 | Exponential conversion circuit and variable gain circuit | Takafumi Yamaji, Tetsuro Itakura | 2005-08-16 |
| 6879204 | Exponential conversion circuit | — | 2005-04-12 |
| 6777999 | Exponential conversion circuit and variable gain circuit | Takafumi Yamaji, Tetsuro Itakura | 2004-08-17 |