Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7822368 | Container for developing agent, and image forming apparatus incorporating the same | Katsumi Okamoto, Hiroshi Kato | 2010-10-26 |
| 7620348 | Container for developing agent, and image forming apparatus incorporating the same | Katsumi Okamoto, Hiroshi Kato | 2009-11-17 |