Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829325 | Ink jet recording apparatus with an electrode disposed at writing paper side | Toshiyuki Iwasawa | 1989-05-09 |
| 4825102 | MOS FET drive circuit providing protection against transient voltage breakdown | Toshiyuki Iwasawa | 1989-04-25 |
| 4801954 | Ink jet printer | Kenji Akami, Gen Oda, Tamotsu Kojima, Hiroshi Naito | 1989-01-31 |
| 4801955 | Ink jet printer | Kenji Akami, Gen Oda, Tamotsu Kojima, Hiroshi Naito | 1989-01-31 |