Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106256 | Step device in miniature shovel car | Yoshiaki Murakami, Takahisa Murakami, Hidetomo Kasa | 1992-04-21 |
| 5065967 | Seat device for very small size shovel car | Yoshiaki Murakami | 1991-11-19 |