Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830801 | Disposable wipe-out sheet and process for making the same | Yoshinori Tanaka | 2004-12-14 |
| 6774070 | Disposable wipe-out sheet and process for making the same | Yoshinori Tanaka | 2004-08-10 |
| 6713726 | Heat-sealing method and apparatus for fiber sheets | Yoshinori Tanaka | 2004-03-30 |