Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663223 | Print head, manufacturing method therefor and printer | Shigeyoshi Hirashima, Atsushi Nakamura, Shinji Kayaba, Makoto Ando, Hiroshi Tokunaga +1 more | 2003-12-16 |
| 6637856 | Inkjet head and inkjet printer | Shota Nishi, Makoto Ando, Shigeyoshi Hirashima, Hiroshi Tokunaga | 2003-10-28 |
| 6609461 | Printer diagnosis device, printer diagnosis method, and computer-readable program storage medium containing program having printer diagnosis function | Shigeyoshi Hirashima | 2003-08-26 |