Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5184149 | Combination of magnetic card and printing apparatus therefor | Soji Ishiwata | 1993-02-02 |
| 4630074 | Multiple-stylus electrode for discharge printing | Tamotsu Horinouchi, Takayoshi Ishikawa, Masahiro Ono | 1986-12-16 |