Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620978 | Positive photoresist composition and process for synthesizing polyphenol compound | Satoshi Shimatani, Satoshi Niikura, Hidekatsu Kohara, Toshimasa Nakayama | 2003-09-16 |