Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9605094 | Method for producing water absorbent resin particles | Kenji Tanimura, Yuichi Onoda, Masayoshi Handa | 2017-03-28 |
| 9320660 | Process for production of water-absorbing resin particles, water-absorbing resin particles, water-stopping material, and absorbent article | Sachi Kikuno, Masayoshi Handa, Nobuhiro Maeda | 2016-04-26 |
| 9199218 | Water absorbing resin particles, method for manufacturing water absorbing resin particles, absorption body, absorptive article, and water-sealing material | Masayoshi Handa, Kenji Tanimura, Yuichi Onoda | 2015-12-01 |
| 9132413 | Method for producing a water-absorbent resin | Sachi Kikuno, Hideki Yokoyama, Nobuhiro Maeda | 2015-09-15 |
| 9102771 | Method for producing a water-absorbent resin | Hideki Yokoyama, Nobuhiro Maeda | 2015-08-11 |
| 8951637 | Method for producing water-absorbent resin particles and water-absorbent resin particles | Kenji Tanimura, Yuichi Onoda | 2015-02-10 |
| 8883944 | Method for producing a water-absorbent resin | Sachi Kikuno, Hideki Yokoyama, Nobuhiro Maeda | 2014-11-11 |
| 8859700 | Method for producing a water-absorbent resin | Hideki Yokoyama, Sachi Kikuno, Nobuhiro Maeda | 2014-10-14 |
| 8841395 | Method for producing a water-absorbent resin | Hideki Yokoyama, Sachi Kikuno, Nobuhiro Maeda | 2014-09-23 |