Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8371977 | Transmission ratio variable mechanism and motor vehicle steering system including the same | Akihiko Shiina, Masaki Nakaoka, Yasuaki Tsuji, Yasuhiro Saitou, Sunao Tsuchimochi +1 more | 2013-02-12 |
| 8281893 | Variable transmission ratio mechanism and variable ratio steering device | — | 2012-10-09 |
| 8181734 | Motor vehicle steering system | Akihiko Shiina, Masaki Nakaoka, Yasuaki Tsuji, Yasuhiro Saitou, Sunao Tsuchimochi +1 more | 2012-05-22 |
| 8047325 | Motor vehicle steering system | Yasuhiro Saitou, Yasuaki Tsuji | 2011-11-01 |