Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992384 | Hydraulic control device of construction machinery | Masahiko Hoshiya, Yuki Yokoyama, Junsei Tanaka | 2011-08-09 |
| 7904225 | Working machine | Kiwa Takeda, Masahiko Hoshiya | 2011-03-08 |