Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D281079 | Frame for printing head | Masao Kunita, Michio Koizumi, Yasuo Iwata, Toshio Kurihara | 1985-10-22 |
| D281080 | Base frame for dot printer | Michio Koizumi, Ken Kozasa, Seiichi Osawa, Takashi Moriya | 1985-10-22 |