Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291288 | Artificial stone and formation therefor | Mieko Sakai, Kenichiro Saito | 2007-11-06 |
| 7204658 | Light-accumulating luminous road marking material and road structure | Kenichiro Saito, Mieko Sakai | 2007-04-17 |
| 7074345 | Highly luminous light-emitting material and manufacturing method thereof | Kenichiro Saito, Mieko Sakai | 2006-07-11 |
| 6866914 | Artificial stone having non-slip property | Mieko Sakai, Kenichiro Saito | 2005-03-15 |