Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9038763 | Hydraulic power steering system | Ryouichi Kubo, Akihiko Shiina, Masahiko Sakamaki, Tetsuya Ozaki | 2015-05-26 |
| 8584791 | Hydraulic power steering apparatus | Masahiko Sakamaki, Akihiko Shiina, Tetsuya Ozaki, Ryouichi Kubo | 2013-11-19 |