Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396351 | Engine cooling fan | Shunzo Tsuchikawa, Takanobu Hori | 1983-08-02 |
| 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 |
| 4298111 | Viscous fluid coupling device | — | 1981-11-03 |
| 4295550 | Viscous fluid coupling device | — | 1981-10-20 |
| 4278160 | Viscous fluid coupling | — | 1981-07-14 |
| 4197057 | Fan assembly | — | 1980-04-08 |
| 4188800 | Drive shaft of fan coupling assembly for motor vehicles | Saburo Fujita, Hiroaki Toyoda, Junichi Ito | 1980-02-19 |