Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762148 | Apparatus and method for the generation and utilization of a spiral gas stream in a pipeline | Tomohiro Marui, Masaaki Takarada, Yoshiaki Shimura, Kiyoshi Horii | 1988-08-09 |