Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757760 | Wire mask for a dot printer head apparatus | Michio Koizumi, Masao Kunita, Seiichi Ohsawa | 1988-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757760 | Wire mask for a dot printer head apparatus | Michio Koizumi, Masao Kunita, Seiichi Ohsawa | 1988-07-19 |