Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591983 | Heavy oil treating method and heavy oil treating system | Hirokazu Takahashi, Shinichi Inage, Nobuyuki Hokari, Masahiko Yamagishi, Akinori Hayashi +1 more | 2009-09-22 |