Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059044 | Thermal printer that detects rate of temperature increase | — | 1991-10-22 |
| 4673856 | Stepping motor drive circuit | — | 1987-06-16 |
| 4486696 | Stepping motor driving circuit | Tsuyoshi Matsushita, Makoto Takahashi | 1984-12-04 |