Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872034 | Method for dividing density range of component dyes in color hard copy | Noboru Ohta, Koju Takahashi | 1989-10-03 |
| 4831454 | Image sensor device having plural photoelectric converting elements | Nobuyoshi Tanaka, Toshiji Suzuki, Masaharu Ozaki, Shigetoshi Sugawa, Mahito Shinohara | 1989-05-16 |
| 4809427 | Method for assembling a magnetic head supporting mechanism of a flexible disk drive apparatus | Chikahisa Kawakami, Hiroshi Ohashi | 1989-03-07 |
| 4796086 | Method for converting color picture signals | Noboru Ohta, Koji Takahashi, Makoto Tsugita | 1989-01-03 |