Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351999 | Heating apparatus provided with a voice synthesizing circuit | Shunichi Nagamoto, Tatsuo Saka, Tetsu Kobayashi | 1982-09-28 |
| 4310259 | Capillary nibs for inscribing instruments | Akio Ito | 1982-01-12 |