Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8275295 | Toner container and toner filling method | Masato Serizawa, Katsumi Harumoto, Keisuke Shinoda | 2012-09-25 |
| 7437101 | Toner container and toner filling method | Masato Serizawa, Katsumi Harumoto, Keisuke Shinoda | 2008-10-14 |