Issued Patents 2020
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10816902 | Salt and photoresist composition containing the same | Satoshi Yamaguchi, Koji Ichikawa | 2020-10-27 |
| 10781198 | Compound, resin, photoresist composition and process for producing photoresist pattern | Hiromu Nakamura, Koji Ichikawa | 2020-09-22 |
| 10774029 | Compound, resin, resist composition and method for producing resist pattern | Satoshi Yamamoto, Koji Ichikawa | 2020-09-15 |
| 10725380 | Compound, resin, resist composition and method for producing resist pattern | Satoshi Yamamoto, Koji Ichikawa | 2020-07-28 |
| 10670963 | Salt and photoresist composition containing the same | Satoshi Yamaguchi, Koji Ichikawa | 2020-06-02 |
| 10564544 | Photoresist composition | Koji Ichikawa | 2020-02-18 |