Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476262 | Urea synthesis process and apparatus | Tadashi Fukunaka, Kenji Sakai, Yasuhiko Kojima | 2002-11-05 |
| 6426434 | Process for the synthesis of urea | Kinichi Yoshida, Yasuhiko Kojima | 2002-07-30 |