Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804889 | Scribe device | Hirokazu Ishikawa, Toshio Hayashi, Jun Sakamoto, Hideo Oka | 2004-10-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804889 | Scribe device | Hirokazu Ishikawa, Toshio Hayashi, Jun Sakamoto, Hideo Oka | 2004-10-19 |