Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10239048 | Hydrogenation catalyst for heavy hydrocarbon oil, production method for hydrogenation catalyst for heavy hydrocarbon oil, and hydrogenation method for heavy hydrocarbon oil | Nobumasa Nakajima | 2019-03-26 |
| 10202553 | Hydroprocessing catalyst for heavy hydrocarbon oil, method for manufacturing hydroprocessing catalyst for heavy hydrocarbon oil, and hydroprocessing method for heavy hydrocarbon oil | Nobumasa Nakajima | 2019-02-12 |
| 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 |
| 7361624 | Catalyst for hydrotreating gas oil, process for producing the same, and method for hydrotreating gas oil | Takashi Fujikawa, Hiroshi Kimura, Hirofumi Mizuguchi, Minoru Hashimoto, Hiroyasu Tagami +1 more | 2008-04-22 |