Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360022 | Sanitary napkin | Akira Usami, Motoharu Kotani | 1982-11-23 |
| 4289130 | Absorbent material for sanitary products | Akira Usami, Toshiaki Uebayashi, Koji Sato | 1981-09-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360022 | Sanitary napkin | Akira Usami, Motoharu Kotani | 1982-11-23 |
| 4289130 | Absorbent material for sanitary products | Akira Usami, Toshiaki Uebayashi, Koji Sato | 1981-09-15 |