Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432164 | Method for refining molten steel and apparatus therefor | Okitomo Kunitake, Wataru Sakai, Susumu Mukawa, Tadashi Imai | 2002-08-13 |
| 4933596 | Deflection yoke with compensation for misconvergence by the horizontal center raster | Masaaki Yoshii | 1990-06-12 |