Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940569 | Information processing apparatus | Masao Nakagawa, Makoto Tanahashi | 2005-09-06 |
| 6771333 | Information processing apparatus | Masao Nakagawa, Makoto Tanahashi | 2004-08-03 |