Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8981176 | Water-absorbing resin compound | Masayoshi Handa, Yasuhiro Nawata | 2015-03-17 |
| 8524797 | Water-absorbing resin composition | Tatsuya Oida, Yasuhiro Nawata | 2013-09-03 |
| 8383696 | Water-absorbing resin composition | Tatsuya Oida, Yasuhiro Nawata | 2013-02-26 |
| 7868075 | Water-absorbing resin composition | Masayoshi Handa, Yasuhiro Nawata | 2011-01-11 |
| 7737231 | Process for producing water-absorbing resin | Masayoshi Handa, Yasuhiro Nawata, Masato Fujikake | 2010-06-15 |