Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8875860 | Torque limiter | Akihide Nagayama | 2014-11-04 |
| 8590433 | Torque limiter | Akihide Nagayama | 2013-11-26 |
| 8419552 | Torque limiter | Akihide Nagayama | 2013-04-16 |
| 7691000 | Universal joint | Akihide Nagayama | 2010-04-06 |
| 7685717 | Method for manufacturing a bearing raceway member | Masamichi Shibata, Hisashi Harada | 2010-03-30 |
| 7513159 | Shaft Coupling Monitoring Apparatus | Kenji Sakamoto | 2009-04-07 |
| 7192356 | Cross shaft joint | Mitsumasa Ozeki | 2007-03-20 |
| 7163461 | Cross joint | Mitsumasa Ozeki | 2007-01-16 |
| 7160192 | Cross shaft and cross shaft joint | Kenji Yamamoto | 2007-01-09 |
| 5140838 | Driving apparatus for rolling mill | Tetsuo Hirasawatsu | 1992-08-25 |
| 5006005 | Lubricant supply for universal joint | — | 1991-04-09 |
| 4955741 | Universal joint | — | 1990-09-11 |
| 4893962 | Coupling | — | 1990-01-16 |