Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180339 | Knife-type folding machine | Hiroki Yamamoto, Yoshikazu Nakamura, Shigeru Wakimoto | 2021-11-23 |
| 11091346 | Knife-type folding machine | Hiroki Yamamoto, Yoshikazu Nakamura, Shigeru Wakimoto | 2021-08-17 |