Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11556056 | Salt, acid generator, resist composition and method for producing resist pattern | Yukako Anryu, Koji Ichikawa | 2023-01-17 |
| 10029592 | Cushion body | Tetsuo Hayashida, Yoshiyuki Murata, Yoshihisa Nakagawa, Ami Inagaki | 2018-07-24 |
| 9857683 | Compound, resin, resist composition and method for producing resist pattern | Shota NAKANO, Koji Ichikawa | 2018-01-02 |
| 9758466 | Compound, resin, resist composition and method for producing resist pattern | Masahiko Shimada, Koji Ichikawa | 2017-09-12 |
| 9726974 | Resin, photoresist composition, and method for producing photoresist pattern | Koji Ichikawa, Masafumi Yoshida | 2017-08-08 |
| 9575408 | Photoresist composition and method for producing photoresist pattern | Koji Ichikawa | 2017-02-21 |
| 9547240 | Resin, photoresist composition, and method for producing photoresist pattern | Koji Ichikawa, Masahiko Shimada | 2017-01-17 |
| 9360754 | Resin and photoresist composition comprising the same | Koji Ichikawa, Masahiko Shimada, Takashi Nishimura, Akira Kamabuchi, Hyungjoo Kim | 2016-06-07 |
| 9346750 | Salt and photoresist composition containing the same | Koji Ichikawa, Masako Sugihara | 2016-05-24 |
| 8709699 | Resist composition and method for producing resist pattern | Koji Ichikawa, Takashi Hiraoka | 2014-04-29 |
| 8652754 | Resist composition and method for producing resist pattern | Koji Ichikawa, Takashi Hiraoka | 2014-02-18 |
| 8481242 | Salt and photoresist composition containing the same | Koji Ichikawa, Masako Sugihara | 2013-07-09 |
| 8431326 | Salt and photoresist composition comprising the same | Koji Ichikawa, Takashi Hiraoka | 2013-04-30 |