Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969750 | Water absorbent material and absorbent article using same | Hisakazu Tanaka, Toshiya Kato, Shigeki Ideguchi, Yoshiki Hasegawa | 2005-11-29 |
| 4891421 | Processes for producing polycarbonate polyols | Katsuhide Nishimura, Motoyasu Kunugiza, Hiroharu Shirota | 1990-01-02 |