Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6936400 | Negative resist composition | Ryoichi Takasu, Jun Iwashita, Toshikazu Tachikawa | 2005-08-30 |
| 6864036 | Negative-working photoresist composition | Toshikazu Tachikawa, Fumitake Kaneko, Naotaka Kubota, Takako Hirosaki, Koutaro Endo | 2005-03-08 |