Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9370571 | Aqueous acrylamide solution, stabilizer for aqueous acrylamide solution, and stabilization method for aqueous acrylamide solution | Norifumi Hagiya | 2016-06-21 |
| 9181569 | Method for producing acrylamide | Kiyonobu Niwa | 2015-11-10 |
| 9102590 | Method for producing acrylamide aqueous solution | Norifumi Hagiya | 2015-08-11 |
| 9057084 | Method for producing aqueous acrylamide solution | Norifumi Hagiya | 2015-06-16 |
| 8937199 | Stable aqueous acrylamide solution | Norifumi Hagiya | 2015-01-20 |
| 8889907 | Process for production of amide compounds | Kiyonobu Niwa, Masahito Oda | 2014-11-18 |
| 6527667 | Toroidal continuously variable transmission | Toshikazu Oshidari, Jun Watanabe, Nobutaka Chiba, Toshikazu Nanbu | 2003-03-04 |
| 6112390 | Apparatus for manufacturing hemmed workpieces | Toshiaki Takeda, Hiroji Chahara, Kazuhiro Terayama, Yasuo Fukagawa, Michihiro Kitahama +2 more | 2000-09-05 |