Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922912 | Concentration method of aqueous acrylamide solution | Yoshihiko Kambara, Mutsuo Matsumura, Michiaki Umeno, Yoshikazu Uehara | 1999-07-13 |
| 5534655 | Process for preparing acrylamide | Yoshihiko Kambara, Yoshikazu Uehara, Takeya Abe | 1996-07-09 |
| 5015766 | Preparation process of acrylamide | Yoshihiko Kambara, Itsuo Oonaka, Kyoko Fukushima | 1991-05-14 |