Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6830868 | Anthracene derivative and radiation-sensitive resin composition | Tsutomu Shimokawa | 2004-12-14 |
| 6821705 | Radiation-sensitive resin composition | Jun Numata, Eiichi Kobayashi, Tsutomu Shimokawa | 2004-11-23 |