Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10137436 | Hydrogenation catalyst for heavy hydrocarbon oil and hydrogenation method for heavy hydrocarbon oil | Nobumasa Nakajima | 2018-11-27 |
| 9908107 | Hydrogenation treatment catalyst for heavy hydrocarbon oil, and method for hydrogenation treatment of heavy hydrocarbon oil | Nobumasa Nakajima | 2018-03-06 |