Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34912 | Slag treatment material | Takashi Fukuzawa, Kohsuke Takeuchi, Tatushi Tabata, Hiroshi Fukuoka, Kunio Hisamatsu +1 more | 1995-04-18 |
| 5187126 | Slag treatment material | Takashi Fukuzawa, Kohsuke Takeuchi, Tatushi Tabata, Hiroshi Fukuoka, Kunio Hisamatsu +1 more | 1993-02-16 |
| 4882303 | Modified steel slag and method of manufacturing the same | Takashi Fukuzawa, Kohsuke Takeuchi, Tatushi Tabata, Hiroshi Fukuoka, Kunio Hisamatsu +1 more | 1989-11-21 |