Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670997 | Recording means for enhancing removal of ink deposited on an ejection side surface thereof, ink jet recording apparatus having said recording means, and recovery method | Hitoshi Sugimoto, Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Noribumi Koitabashi, Miyuki Matsubara +1 more | 1997-09-23 |
| 5671000 | Ink jet cartridge with separately exchangeable ink tank and recording head | Hiromitsu Hirabayashi, Shigeyasu Nagoshi, Noribumi Koitabashi, Hitoshi Sugimoto, Miyuki Fujita +1 more | 1997-09-23 |