Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357268 | Ink jet recording head in which the ejection elements are driven in blocks | Hideaki Kishida, Akira Katayama, Kimiyuki Hayasaki, Nobuyuki Watanabe, Toshiaki Hirosawa +4 more | 1994-10-18 |
| 5343227 | Ink jet recording apparatus and ink jet recording head with means reducing the amount of warp | Toshiaki Hirosawa, Torachika Osada, Hidemi Kubota, Yutaka Koizumi, Mineo Kaneko +3 more | 1994-08-30 |
| 5298923 | Ink jet misdischarge recovery by simultaneously driving an ink jet head and exhausting ink therefrom | Tatsuyuki Tokunaga | 1994-03-29 |