Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11746682 | Method for manufacturing a vehicle muffler | Hiroshige Nakagawa | 2023-09-05 |
| 11701843 | Method and resin impregnating device for producing a reinforcing bar | Hiroshige Nakagawa | 2023-07-18 |