Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410616 | Crosslinked polymer particle and its production process and use | Nobuyuki Harada, Masatoshi Nakamura, Shigenori Kirimura | 2002-06-25 |
| 6342652 | Water-swellable crosslinked polymer, its composition, and their production processes and uses | Nobuyuki Harada, Toshimasa Kitayama | 2002-01-29 |