Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109238 | Thick film resistor material and thermal head obtained therefrom | Michihiro Watanabe, Kazutaka Sato, Munetoshi Zen, Kazuhiko Ato, Yoshinobu Watanabe | 1992-04-28 |
| 5021194 | Thick film resistor material and thermal head obtained therefrom | Michihiro Watanabe, Kazutaka Sato, Munetoshi Zen, Kazuhiko Ato, Yoshinobu Watanabe | 1991-06-04 |