Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872034 | Method for dividing density range of component dyes in color hard copy | Koju Takahashi, Tsuneo Suzuki | 1989-10-03 |
| 4796086 | Method for converting color picture signals | Koji Takahashi, Tsuneo Suzuki, Makoto Tsugita | 1989-01-03 |