Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4960337 | Ribbon mask for a printer | Toshikiyo Kato, Yasuo Ichikawa, Wataru Ito, Hiroshi Ikeda | 1990-10-02 |
| 4611121 | Magnet apparatus | Masao Miyamura, Osamu Tsukakoshi, Shoji Aiba | 1986-09-09 |