Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168642 | Cylinder liner for cast-covering, and method for manufacturing cylinder block | Koichi Hatakeyama, Tomoki Takiguchi, Yoshihiko Aoki, Yuusuke Okuyama | 2021-11-09 |
| 10907570 | Cylindrical member | Akira Sato, Takashi Sato | 2021-02-02 |