Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5788759 | .delta.-indanthrone blue pigment and manufacturing method therefor | Nagayuki Takao, Isao Oshiumi | 1998-08-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5788759 | .delta.-indanthrone blue pigment and manufacturing method therefor | Nagayuki Takao, Isao Oshiumi | 1998-08-04 |