Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10307506 | Process for producing water-absorbing resin | Sumio Okuda, Kunihiko Ishizaki, Satoshi Matsumoto | 2019-06-04 |
| 9624322 | Method of producing water absorbent resin | Sumio Okuda, Kunihiko Ishizaki, Shinichi Fujino, Kozo Nogi | 2017-04-18 |
| 9580519 | Method and apparatus for producing polyacrylic acid (salt)-based water absorbent resin | Kozo Nogi, Kunihiko Ishizaki, Shinichi Fujino, Satoshi Matsumoto | 2017-02-28 |
| 9453091 | Method of producing water absorbent resin | Sumio Okuda, Kunihiko Ishizaki, Shinichi Fujino, Kozo Nogi | 2016-09-27 |
| 9272068 | Process for producing water-absorbing resin | Sumio Okuda, Kunihiko Ishizaki, Satoshi Matsumoto | 2016-03-01 |
| 9233186 | Process for producing water-absorbing resin | Sumio Okuda, Kunihiko Ishizaki, Satoshi Matsumoto | 2016-01-12 |
| 9023951 | Polyacrylic acid (salt)-type water absorbent resin and method for producing of same | Kozo Nogi, Kunihiko Ishizaki | 2015-05-05 |
| 8791230 | Method for producing particulate water absorbent resin | Satoshi Matsumoto, Kazumasa Konishi | 2014-07-29 |
| 8436090 | Production method and method for enhancing liquid permeability of water-absorbing resin | Yorimichi Dairoku, Kozo Nogi, Kunihiko Ishizaki, Koji Matsumoto, Yoshiro Mitsukami | 2013-05-07 |