Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5651477 | Constant quantity injection valve for liquefied carbon dioxide gas | Masaki Takahashi | 1997-07-29 |
| 5234015 | Gas supply mechanism with safety device | — | 1993-08-10 |
| 4923394 | Portable torch | — | 1990-05-08 |
| 4694850 | Gas supply mechanism | — | 1987-09-22 |