Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247883 | Apparatus for making a printing plate and a printing plate thereof | Shigeyoshi Hirashima, Tatsumi Ito | 1993-09-28 |
| 5213034 | Gravure printing plate with angled and offset hole pattern and smear preventing slots adjacent the holes | Shigeyoshi Hirashima, Tatsumi Ito | 1993-05-25 |
| 5126531 | Apparatus for making an intaglio printing surface | Osamu Majima, Kazuo Kobayashi | 1992-06-30 |