Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10416560 | Coloring agent dispersion, photosensitive resin composition, cured product, organic el element, method for forming pattern, and method for producing photosensitive resin composition | Naozumi Matsumoto, Tatsuro Ishikawa, Mayumi Kuroko, Dai Shiota | 2019-09-17 |
| 10336708 | Imidazole compound, metal surface treatment liquid, metal surface treatment method, and laminate production method | Tatsuro Ishikawa, Kunihiro Noda, Hiroki Chisaka, Dai Shiota, Yukitsugu Maeda +3 more | 2019-07-02 |
| 6939926 | Phenol novolak resin, production process thereof, and positive photoresist composition using the same | Ken Miyagi, Atsuko Hirata, Kousuke Doi, Hidekatsu Kohara, Toshimasa Nakayama | 2005-09-06 |