Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6258259 | Iron sulfide and process for producing the same | Tadashi Kai, Masaaki Sakurai, Kunihiro Imada, Kenji Inokuchi | 2001-07-10 |
| 6056935 | Iron sulfide and process for producing the same | Tadashi Kai, Masaaki Sakurai, Kunihiro Imada, Kenji Inokuchi | 2000-05-02 |