Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372944 | Liquid withdrawing tray for purification column, purification column, and method for purification | Hajime Matsumoto, Takeshi Nishimura, Yukihiro Matsumoto, Sei Nakahara | 2002-04-16 |