Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601664 | Crawler device for a crawler type vehicle | Hikosaburo Hiraki, Haruhiro Tsubota | 2003-08-05 |
| 6568769 | Elastic flat tread | Hiroaki Watanabe, Teiji Yamamoto, Tomihiro Tagawa, Kenji Taira | 2003-05-27 |
| 6533371 | Elastic crawler shoe | Hiroaki Watanabe | 2003-03-18 |