Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830788 | Polymerizable compounds and optical compensators | Hiroshi Takeuchi | 2004-12-14 |
| 6803349 | Heterocyclic ring-containing compound and a lubricant composition using the same | Masayuki Negoro, Ken Kawata | 2004-10-12 |