Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7189847 | Process for producing benzoxazine derivative and production intermediate thereof | Kouji Sato, Yoshihiro Takayanagi, Katsuhiko Okano, Keiji Nakayama, Akihiro Imura +3 more | 2007-03-13 |
| 7087778 | Process for producing benzoxazine derivative and production intermediate thereof | Kouji Sato, Yoshihiro Takayanagi, Katsuhiko Okano, Keiji Nakayama, Akihiro Imura +3 more | 2006-08-08 |
| 6872823 | Process for producing benzoxazine derivative and production intermediate thereof | Kouji Sato, Yoshihiro Takayanagi, Katsuhiko Okano, Keiji Nakayama, Akihiro Imura +3 more | 2005-03-29 |