Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8814771 | Tool holding and conveying chain | Tomoyuki Koyama | 2014-08-26 |
| 8776491 | Lifting engagement chain unit | Takahisa Ando | 2014-07-15 |
| 8341931 | Lift-driving engagement chain | Takahisa Ando | 2013-01-01 |
| 7921986 | Hoisting and lowering driving engagement multi-row chain | Takahisa Ando, Toshihiko Takashima, Takeshi Kondo | 2011-04-12 |
| 6514184 | Rotating tool pot chain | Kazuhiko Araki, Hiroshi Yokota, Kazuo Kouyama, Shinichi Ozaki | 2003-02-04 |
| 6428454 | Tool pot separation type chain | Hiroshi Yokota, Kazuhiko Araki | 2002-08-06 |
| 6003416 | Tool holding device | Kazuhiko Ando | 1999-12-21 |