Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881341 | Method for separating lactone-containing high-molecular weight compounds | Tomoji Higaki, Norihiro Hashimoto, Keiji Honda, Hiroshi Hatanaka, Michio Yamashita | 2005-04-19 |
| 6576135 | Method for separating lactone-containing high-molecular weight compounds | Tomoji Higaki, Norihiro Hashimoto, Keiji Honda, Hiroshi Hatanaka, Michio Yamashita | 2003-06-10 |