Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833413 | Block copolymer and composition containing the copolymer | Masahiro Sasagawa, Shigeo Nakajima | 2004-12-21 |
| 6767969 | Hydrogenated polymer | Masahiro Sasagawa, Shigeru Sasaki, Takashi Sato | 2004-07-27 |