Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607569 | Method of estimating reaction product in coal liquefying reaction | Yasuki Namiki, Masatoshi Kobayashi, Akira Kidoguchi, Hidenobu Itoh, Masataka Hiraide +1 more | 2003-08-19 |
| 6258259 | Iron sulfide and process for producing the same | Tadashi Kai, Yuji Matsue, Masaaki Sakurai, Kunihiro Imada | 2001-07-10 |
| 6056935 | Iron sulfide and process for producing the same | Tadashi Kai, Yuji Matsue, Masaaki Sakurai, Kunihiro Imada | 2000-05-02 |