Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561833 | Method of making high oxygen chromium target | Hidenori Tomioka, Kenichi Kobayashi, Manabu Takahashi | 1996-10-01 |
| 5476248 | Apparatus for producing high-purity metallic chromium | Kenichi Kobayashi | 1995-12-19 |
| 5397373 | Raw material for high oxygen chromium target | Hidenori Tomioka, Kenichi Kobayashi, Manabu Takahashi | 1995-03-14 |
| 5391215 | Method for producing high-purity metallic chromium | Kenichi Kobayashi | 1995-02-21 |
| 5259866 | Method for producing high-purity metallic chromium | Kenichi Kobayashi | 1993-11-09 |
| 5152830 | Thermite process for producing a metal or alloy | Kenichi Kobayashi | 1992-10-06 |
| 5092921 | Method for producing high-purity metallic chromium | Kenichi Kobayashi, Takashi Sasai | 1992-03-03 |