Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741988 | Patterned polyimide film, a photosensitive polyamide acid derivative and an electrophoretic image-display cell | Lourens Minnema | 1988-05-03 |
| 4661435 | Photosensitive polyamic acid derivative, compounds used in the manufacture of the derivative, method of manufacturing polyimide pattern on a substrate, and semiconductor device comprising a polyimide pattern obtained by using the said method | Lourens Minnema | 1987-04-28 |
| 4481340 | Photosensitive polyamic acid derivative, compound used in manufacture of derivative, method of manufacturing substrate having polyimide layer, and semiconductor device made from said method | Lourens Minnema | 1984-11-06 |