Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801519 | Process for producing a pattern with negative-type photosensitive composition | Shigeru Koibuchi, Daisuke Makino, Yutaka Takeda | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4801519 | Process for producing a pattern with negative-type photosensitive composition | Shigeru Koibuchi, Daisuke Makino, Yutaka Takeda | 1989-01-31 |