Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5750582 | Liquid absorbable material and method for production thereof | Nobuyuki Harada, Katsuyuki Wada, Toru Inaoka | 1998-05-12 |
| 5559160 | Liquid absorbable material and method for production thereof | Nobuyuki Harada, Katsuyuki Wada, Toru Inaoka | 1996-09-24 |
| 5382610 | Water absorbent matter and method for producing it as well as water absorbent and method for producing it | Nobuyuki Harada, Katsuyuki Wada, Tadao Shimomura, Yoshinori Sano | 1995-01-17 |