Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6284362 | Absorbent compositions, methods for producing thereof and absorbent products | Hitoshi Takai, Tsuyoshi Yuki, Shingo Mukaida, Daisuke Tagawa, Kenji Tanaka +2 more | 2001-09-04 |
| 5886120 | Method for preparing water absorbent resin | Keiji Tanaka, Masashi Date, Kenjiro Tsubota, Tsuyoshi Yuki | 1999-03-23 |
| 5801238 | Method for producing water absorbent resin and water absorbent | Keiji Tanaka, Masashi Date, Kenjiro Tsubota, Tsuyoshi Yuki | 1998-09-01 |
| 5789507 | Method for preparing water absorbent resin | Keiji Tanaka, Masashi Date, Tsuyoshi Yuki, Kenjiro Tsubota | 1998-08-04 |
| 5747570 | Water-absorbing resin composition | Masashi Date, Keiji Tanaka, Tsuyoshi Yuki, Kenjiro Tsubota | 1998-05-05 |
| 5728792 | Method for preparing water absorbent resin | Keiji Tanaka, Masashi Date, Kenjiro Tsubota, Tsuyoshi Yuki | 1998-03-17 |