Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753800 | Expandable shaft | Mitsuharu Ozaki | 2010-07-13 |
| 7695372 | Yoke for universal joint and universal joint | — | 2010-04-13 |
| 7174825 | Hydraulic power steering apparatus | Akihiko Shiina, Yasuhiro Kamatani, Toshiaki Oya, Kazuhiro Watanabe, Yoshimi Kotake +5 more | 2007-02-13 |
| 7172361 | Extendable shaft | Noboru Minamoto, Shuzo Hirakushi | 2007-02-06 |