Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218593 | Absorbent article | Tetsuya Masuki, Tetsuji Kitoh, Jun Sasaki, Manabu Kaneda | 2001-04-17 |
| 5849001 | Porous sheet and absorbent article using the same | Tetsuji Kitoh, Takahiro Sato | 1998-12-15 |
| 5069677 | Absorbent article | Akira Sakurai | 1991-12-03 |
| 4787897 | Stretchable fastening tape for disposable diaper | Heihachiro Kawaguchi, Yoshinori Takahashi | 1988-11-29 |
| 4221572 | Abrasive material having a polycarbodiimide and polyurethane resin binder | Tamio Ishiai | 1980-09-09 |