Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6613844 | Styrene polymer, chemically amplified positive resist composition and patterning process | Osamu Watanabe, Nagura Shigehiro, Takeda Takanobu | 2003-09-02 |
| 6384169 | Styrene polymer, chemically amplified positive resist composition and patterning process | Osamu Watanabe, Nagura Shigehiro, Takeda Takanobu | 2002-05-07 |