Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618497 | Polymerization apparatus effective in preventing polymer scale deposition | Takuya Ueda, Yoshihiro Shirota, Yoshihiko Hirai, Tadashi Amano | 1997-04-08 |
| 5447999 | Vinyl chloride polymerization with recycle return projecting into gas phase region of reactor | Takuya Ueda, Yoshihiro Shirota, Yoshihiko Hirai, Tadashi Amano | 1995-09-05 |