Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D854054 | Hydraulic excavator | Shigeru Hirasawa, Kazuhiko Mizoguchi, Shosei Kurosaka | 2019-07-16 |
| D847213 | Counterweight for construction machine | Shosei Kurosaka, Shigeru Hirasawa, Kazuhiko Mizoguchi | 2019-04-30 |