Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576119 | Method of producing middle distillate products by two-stage hydrocracking and hydrocracking apparatus | Katsuaki Ishida, Hiroki Koyama, Seiji Togawa, Futoshi Sakaguchi | 2003-06-10 |
| 6551500 | Hydrocracking catalyst, producing method thereof, and hydrocracking method | Katsuaki Ishida, Toru Saito, Kaori Matsuzawa | 2003-04-22 |