Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6089875 | Slip ring assembly and the manufacturing method thereof | Haruo Atsumi | 2000-07-18 |
| 5112150 | Serial type color printer with ink ribbon cassette position sensor | — | 1992-05-12 |
| 5080511 | Serial type color printer used with ink ribbon cassette | — | 1992-01-14 |