Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503812 | Method for separating and purifying fission noble metals | Kenji Kirishima, Hisaaki Shimauchi, Hiroshi Nakahira, Yukio Wada | 1996-04-02 |
| 5431892 | Process for recovering valuable metal from waste catalyst | Keiji Toyabe, Kenji Kirishima, Hideo Hanawa | 1995-07-11 |
| 5415849 | Process for dissolving used catalyst | Keiji Toyabe, Kenji Kirishima, Yuji Nakano, Hisaaki Shimauchi, Ichiro Matsunaga | 1995-05-16 |
| D289983 | Monorail for overhead running carrier | Joji Mino | 1987-05-26 |