Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601664 | Crawler device for a crawler type vehicle | Hikosaburo Hiraki, Kazutoshi Hori | 2003-08-05 |
| 6334496 | Crawler device for a crawler type vehicle | Hikosaburo Hiraki, Kazutoshi Hori | 2002-01-01 |
| 6332509 | Noise reducer for construction equipment | Kenji Nishikawa, Masao Tsujino | 2001-12-25 |
| 6283562 | Triangular crawler apparatus | Hikosaburo Hiraki, Kazutoshi Hori | 2001-09-04 |