Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4315456 | Air-curtaining apparatus for fire protection | Taro Hayashi | 1982-02-16 |
| 4242811 | Thermo-pneumatic unit and apparatus for thermal treatment of travelling flat materials | Kunio Kida | 1981-01-06 |