Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814945 | Dumping device of catalyst inside reactor and dumping method using the same | Katsuhiko Kawakami, Shinichi Nagata | 2004-11-09 |
| 6203766 | Dumping device of catalyst inside reactor and dumping method using the same | Katsuhiko Kawakami, Shinichi Nagata | 2001-03-20 |
| 5736108 | Refrigerant unit in hydrogen treating plant | Katsuhiko Kawakami, Junichi Takano | 1998-04-07 |
| 5585075 | Catalyst loading structure and a loading method for a reactor | Jun Takano | 1996-12-17 |