Issued Patents All Time
Showing 1–2 of 2 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, Yoshiaki Shimura, Minoru Mita, Kiyoshi Horii | 1988-08-09 |
| 4428054 | Automatic control methods and devices for rolling hills | Hitoshi Aizawa | 1984-01-24 |