Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554937 | Process for making disposable wipe-out sheet | Yoshinori Tanaka | 2003-04-29 |
| 6506472 | Composite sheet and method for making the same | Yoshinori Tanaka, Masaharu Tomioka | 2003-01-14 |