Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4294130 | Transmission for tractor | Hiroyuki Kisaka, Makoto Sagata, Masayoshi Miyahara | 1981-10-13 |
| 4273001 | Gear transmission | Masayoshi Miyahara, Hiroyuki Kisaka | 1981-06-16 |
| 4245514 | Transmission mechanism for vehicles | Masayoshi Miyahara | 1981-01-20 |