Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281268 | Process for the production of .beta.-form copper phthalocyanine pigment | Yusaku Ide, Michichika Hikosaka | 1994-01-25 |
| 5229508 | Process for the preparation of copper phthalocyanine pigment | Yusaku Ide, Tsuneo Kawamura, Michichika Hikosaka | 1993-07-20 |