Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7780561 | Power transmission belt having a mark thereon and a method of providing a mark on a power transmission belt | Takashi Hamada | 2010-08-24 |
| 4952261 | Toothed belt manufacture including disposing stitched joint in mandrel groove | Takeshi Hamura, Takaji Nagai | 1990-08-28 |
| 4813919 | Toothed belt manufacture | Takeshi Hamura, Takaji Nagai | 1989-03-21 |