Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7121089 | Hydraulic cylinder | Masahiro Tosen, Kenji Kanemaru, Yoshiaki Yamamoto | 2006-10-17 |
| 7047734 | Hydraulic circuit for hydraulic cylinder | Masahiro Tosen, Kenji Kanemaru, Yoshiaki Yamamoto | 2006-05-23 |
| 6948417 | Fluid cylinder with swivel joint | Yoshiaki Yamamoto, Kenji Kanemaru, Masatake Tamaru | 2005-09-27 |
| 6578296 | Hydraulically driven type working machine | Kenzo Kimoto, Masatake Tamaru, Masami Naruse, Sadao Nunotani, Jun Maruyama +1 more | 2003-06-17 |