Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340422 | Powdery desulfurizer composition | Yoshiharu Muratsubaki, Hiroyuki Ishizuka | 1982-07-20 |
| 4318332 | Hydraulic apparatus | Shitta Shingu, Isao Kosugi | 1982-03-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340422 | Powdery desulfurizer composition | Yoshiharu Muratsubaki, Hiroyuki Ishizuka | 1982-07-20 |
| 4318332 | Hydraulic apparatus | Shitta Shingu, Isao Kosugi | 1982-03-09 |