Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10434495 | Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder | Sayaka Machida, Kazushi Torii, Hiroyuki Ikeuchi, Shigeru Sakamoto, Koji Tachi +1 more | 2019-10-08 |
| 9447203 | Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder | Sayaka Machida, Kazushi Torii, Hiroyuki Ikeuchi, Shigeru Sakamoto, Koji Tachi +1 more | 2016-09-20 |
| 9102804 | Production method for water-absorbing resin powder | Sayaka Machida, Kazushi Torii, Hiroyuki Ikeuchi, Kunihiki Ishizaki | 2015-08-11 |
| 8513378 | Production method for water-absorbing resin powder | Sayaka Machida, Kazushi Torii, Hiroyuki Ikeuchi, Kunihiko Ishizaki | 2013-08-20 |