Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041004 | Processes for producing deashed pitch | Jagannathan Govindhakannan, Grant H. Yokomizo, Robert S. Haizmann, Hans G. Lefebvre, Trung Pham | 2018-08-07 |
| 9914881 | Process for improved vacuum separations with high vaporization | Grant H. Yokomizo | 2018-03-13 |