Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202002 | Process for pickling steel-based metallic materials at a high speed | Masamitsu Tsuchinaga | 1993-04-13 |
| 4579606 | Metal sheet that selectively absorbs solar radiation | Takehisa Mizunuma, Jiro Ohno, Hisashi Kobayashi | 1986-04-01 |
| 4491487 | Method for producing a selective absorption sheet of a solar radiation | Takehisa Mizunuma, Jiro Ohno, Hisashi Kobayashi | 1985-01-01 |