Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6312073 | System for detecting an accurate amount of ink consumption in an ink jet recording device | Hideyuki Kobayashi | 2001-11-06 |
| 6145947 | Ink consumption detection method and system | Hideyuki Kobayashi | 2000-11-14 |