Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7049389 | Process for preparing of aromatic oligomers | Toshihide Senzaki, Takahiro Imamura, Tomoaki Yoshida, Atsuhiko Katayama, Yasuo Wada +1 more | 2006-05-23 |
| 6491795 | Process for recovering benzyl benzoate | Noboru Daitou, Shingo Ueda, Ryouji Akamine, Katsuhiko Sakura | 2002-12-10 |
| 6403828 | Method of refining crystalline material | Hiroyuki Kuwahara, Nobumasa Noma, Masakazu Takeuchi, Yukio Akimaru | 2002-06-11 |
| 6211404 | Method of refining benzoic acid | Hiroyuki Kuwahara, Yuji Arifuku, Nobumasa Noma, Masakazu Takeuchi, Haruki Kawano | 2001-04-03 |