Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648233 | Code reading method and device for recording material roll | Fuyuki Inui, Ryo Imai | 2003-11-18 |
| 6550677 | Code reader and code reading method for reading hole code | Ryo Imai, Kazuo Miyaji | 2003-04-22 |