Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795673 | Method of recovering useful materials from spent secondary batteries for electric vehicles | Hiroshi Miyagawa | 1998-08-18 |
| 5789095 | Method of recovering useful materials from spent secondary batteries for electric vehicles | Hiroshi Miyagawa | 1998-08-04 |