Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426895 | Memory system and programming method thereof | Akihiko Hashiguchi, Takumi Okaue | 2002-07-30 |
| 6381389 | Optical coupling device and optical coupling method using photonic crystal | — | 2002-04-30 |