Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981668 | Anti-bacterial water absorbing agent and anti-bacterial water absorbent material | Masahisa Fujita, Masanori Koike | 1999-11-09 |
| 5886120 | Method for preparing water absorbent resin | Keiji Tanaka, Masashi Date, Tsuyoshi Yuki, Satoshi Tamabuchi | 1999-03-23 |
| 5801238 | Method for producing water absorbent resin and water absorbent | Keiji Tanaka, Masashi Date, Tsuyoshi Yuki, Satoshi Tamabuchi | 1998-09-01 |
| 5789507 | Method for preparing water absorbent resin | Keiji Tanaka, Masashi Date, Satoshi Tamabuchi, Tsuyoshi Yuki | 1998-08-04 |
| 5747570 | Water-absorbing resin composition | Masashi Date, Keiji Tanaka, Tsuyoshi Yuki, Satoshi Tamabuchi | 1998-05-05 |
| 5728792 | Method for preparing water absorbent resin | Keiji Tanaka, Masashi Date, Tsuyoshi Yuki, Satoshi Tamabuchi | 1998-03-17 |