Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8460146 | Roller type transmission device | Sukejiro Nagata | 2013-06-11 |
| 8162790 | Rolling ball type two-stage low speed changer device | Sukejiro Nagata | 2012-04-24 |
| 7900890 | Worm-rack type transmission device | — | 2011-03-08 |
| 7712390 | Ball type speed reducer device | Akihito Terashima | 2010-05-11 |
| 6023989 | Transmission device for converting a torque between rotary movement and linear movement | Hiroshi Makino, Hidetsugu Terada | 2000-02-15 |
| 5683323 | Ball-rolling type torque transmission device | — | 1997-11-04 |
| 5454277 | Intermittent torque transmission device | — | 1995-10-03 |
| 5197930 | Gearless differential speed reducer device | — | 1993-03-30 |
| 4829851 | Gearless differential speed reducer structure | — | 1989-05-16 |