Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8198376 | Process for production of water-absorbable resin | Masayoshi Handa, Yasuhiro Nawata | 2012-06-12 |
| 8003210 | Process for producing water-absorbing resin particles, water-absorbing resin particles made by the process, and absorbent materials and absorbent articles made by using the particles | Masayoshi Handa, Yasuhiro Nawata | 2011-08-23 |