Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364058 | Ink drop charging device | Masayoshi Tamai, Michio Ueda | 1982-12-14 |
| 4347519 | Ink jet printer | Masayoshi Tamai | 1982-08-31 |
| 4340895 | Degassing ink supply apparatus for ink jet printer | — | 1982-07-20 |