Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579347 | Method for removing sulfur compound present in city gas | Hidenobu Wakita, Yukiyoshi Ono, Yuko Tachibana | 2003-06-17 |
| 6568669 | Sheet post-processing apparatus | — | 2003-05-27 |