Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11668386 | Pulley structure | Hayato Shimamura, Katsuya Imai, Takashi Morimoto | 2023-06-06 |
| 11448304 | Pulley structure | Hayato Shimamura, Katsuya Imai | 2022-09-20 |
| 11353058 | Pulley structure, sliding bearing, and production method for sliding bearing | Takashi Morimoto, Hayato Shimamura, Katsuya Imai | 2022-06-07 |
| 11274739 | Pulley structure and method for manufacturing pulley structure | Hayato Shimamura, Katsuya Imai, Takashi Morimoto | 2022-03-15 |
| 9611903 | Pulley structure | Hayato Shimamura, Makoto Haraguchi, Katsuya Imai | 2017-04-04 |
| 8678965 | Auto-tensioner | Tomokazu Ishida | 2014-03-25 |