Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835708 | Graft polymer composition and its production process and uses | Junichi Nakamura, Shigeru Yamaguchi | 2004-12-28 |
| 6756460 | Water-soluble copolymer and its production process and use | Junichi Nakamura, Yoshikazu Fujii, Masahito Takagi, Shigeru Yamaguchi | 2004-06-29 |