Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347038 | Flexible blade fan | Sunzo Tsuchikawa | 1982-08-31 |
| 4334824 | Flexible fan device | Shunzo Tsuchikawa | 1982-06-15 |
| 4316607 | Paperboard feeding apparatus | Kouichi Ueda | 1982-02-23 |
| 4313531 | Viscous fluid coupling | Takanobu Hori | 1982-02-02 |