Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4565918 | Heating circuit for a thermal recording-pen | Hideaki Ayabe, Takeshi Toyosawa, Shigeo Ikeda | 1986-01-21 |
| 4318110 | Multi-channel recording instrument | Kinzo Iino, Hiroshi Aibe | 1982-03-02 |