Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12036103 | Disposable diaper | Izumi Koyama | 2024-07-16 |
| 8536400 | Absorbent article | Hiroshi Kohira, Hiromi Tachikawa | 2013-09-17 |
| 5921948 | Surgical dressing | Yoshifumi Hosaka, Saburo Otsuka | 1999-07-13 |