Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983495 | Positive resist patterns | Yoshitaka Tsutsumi, Toru Seita, Kyoko Nagaoka, Toshimitsu Yanagihara | 1991-01-08 |
| 4822721 | A method of image-wise exposing and developing halogen-containing polyacrylate derivatives | Yoshitaka Tsutsumi, Toru Seita, Hideo Shuyama, Kyoko Nakazawa | 1989-04-18 |
| 4752635 | Halogen-containing polyacrylate derivatives | Yoshitaka Tsutsumi, Toru Seita, Hideo Shuyama, Kyoko Nakazawa | 1988-06-21 |