Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5415849 | Process for dissolving used catalyst | Keiji Toyabe, Kenji Kirishima, Haruo Shibayama, Yuji Nakano, Hisaaki Shimauchi | 1995-05-16 |
| 4642203 | Method of treating low-level radioactive waste | Hiroshi Sugai | 1987-02-10 |