Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870432 | Ink-jet printing apparatus and film nozzle member used in the same | Michio Maeda | 1989-09-26 |
| 4842507 | Injection apparatus | Toshiro Kawaguchi, Takefumi Sonoda | 1989-06-27 |
| 4803502 | Image formation cartridge and image forming apparatus using the same | Kazuhisa Kimura, Takashi Hatakeyama | 1989-02-07 |