Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4326900 | Water-in-oil emulsion explosive composition | Yoshiaki Fukatsu, Masao Takahashi | 1982-04-27 |
| 4315784 | Water-in-oil emulsion explosive composition with imidazoline derivative emulsifier | Yoshiaki Fukatsu, Masao Takahashi | 1982-02-16 |
| 4315787 | Water-in-oil emulsion explosive composition | Yoshiaki Fukatsu, Masao Takahashi | 1982-02-16 |