# | Model/Number | Period | Picture | |
1. | Q-Pen | 1949 | | |
2. | Q-Pen | 1949 | | |
3. | Q-Pen | 1949 | | |
4. | Q-Pen | 1949 | | |
5. | Q JUBI | 1958-1964 | | |
6. | Standard | 1958-1964 | | |
7. | 4-Color BP | 1963-1966 | |