Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4732626 | Water-in-oil emulsion explosive composition | Koji Edamura, Hiroshi Sakai | 1988-03-22 |
| 4543136 | Water-in-oil emulsion explosive composition | Kohji Edamura, Katsuhide Hattori, Hiroshi Sakai | 1985-09-24 |
| 4543137 | Water-in-oil emulsion explosive composition | Koji Edamura, Kazuyuki Sato, Hiroshi Sakai | 1985-09-24 |
| 4398976 | Water-in-oil emulsion explosive composition | Katsuhide Hattori, Yoshiaki Fukatsu | 1983-08-16 |