Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8785582 | Vinylozy group-containing vinyl polymer | Kyoko Yamamoto, Hiroki Fujiwara, Kazuhiko Atsumi, Take-aki Mitsudo | 2014-07-22 |
| 7727701 | Positive resist composition and method of forming resist pattern | Kiyoshi Ishikawa, Tomoyuki Ando | 2010-06-01 |
| 7687221 | Positive resist composition and resist pattern forming method | Taako Hirosaki, Tomoyuki Ando | 2010-03-30 |
| 7524604 | Positive resist composition and method of formation of resist patterns | Kiyoshi Ishikawa | 2009-04-28 |
| 7449276 | Positive photoresist composition and method for forming resist pattern | Kiyoshi Ishikawa, Tsuyoshi Nakamura, Tasuku Matsumiya | 2008-11-11 |