Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538487 | Electrical circuit having inverters being serially connected together in a cascade | Hiroyuki Yamada | 2003-03-25 |
| 6384620 | Signal deciding apparatus | Hiroyuki Yamada, Kazuo Suto | 2002-05-07 |