Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417893 | Sanitary napkin | Hiroshi Mizutani | 1983-11-29 |
| 4414255 | Water absorbing sheet assembly | Mitsuru Tokuyama, Hikotaro Kawaguchi, Masayuki Sagae, Kenji Ohki | 1983-11-08 |
| 4307721 | Non-woven fabric for sanitary napkin | Hiroshi Mizutani | 1981-12-29 |
| 4297410 | Absorbent material | Masayuki Sagae, Hiroshi Mizutani | 1981-10-27 |
| 4269187 | Tampon | Akira Sakurai, Hiroshi Mizutani | 1981-05-26 |
| 4216772 | Absorbent article | Hiroshi Mizutani | 1980-08-12 |