Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9964848 | Positive photosensitive resin composition and cured film forming method using the same | — | 2018-05-08 |
| 9034440 | Positive photosensitive resin composition and cured film forming method using the same | — | 2015-05-19 |
| 8932800 | Positive photosensitive resin composition and method for forming cured film using the same | — | 2015-01-13 |
| 8771907 | Positive photosensitive resin composition and method of forming cured film from the same | — | 2014-07-08 |
| 8329380 | Positive photosensitive resin composition and method for forming cured film using the same | — | 2012-12-11 |
| 6114089 | Positive working photosensitive lithographic printing plate | Mitsuhiro Imaizumi, Keiji Akiyama, Seiji Uno, Shiro Tan | 2000-09-05 |
| 6037098 | Positive photosensitive composition | Toshiaki Aoai | 2000-03-14 |
| 5958646 | Positive-working photosensitive composition and process for image formation | Koichi Kawamura, Keiji Akiyama, Yoshitaka Kawamura | 1999-09-28 |
| 5227473 | Quinone diazide compound and light-sensitive composition containing same | Kouichi Kawamura | 1993-07-13 |
| 4761493 | Preparation process of quaternary phosphonium hydroxide | Masayuki Umeno | 1988-08-02 |