Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013971 | Display medium | Motohiko Sakamaki, Masaaki Araki, Koichi Haga, Mamoru Fujita | 2011-09-06 |
| 7903324 | Optical switching element and photoaddressable display medium using the same | Hideo Kobayashi | 2011-03-08 |