Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7625839 | Activated carbon for use in electric double layer capacitors | Satoshi Hirahara, Kazuyuki Toki | 2009-12-01 |
| 7091156 | Activated carbon for use in electric double layer capacitors | Satoshi Hirahara, Kazuyuki Toki | 2006-08-15 |