Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667415 | Tertiary butyl 4,4-bis(4′-hydroxyphenyl) pentanoate derivatives and positive resist materials containing the same | Fujio Yagihashi, Jun Watanabe, Minoru Takamizawa, Akinobu Tanaka, Yoshio Kawai | 2003-12-23 |