Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11993149 | Vibration damping device | Hiroki Mizukawa, Naoki Furumachi | 2024-05-28 |
| 8894051 | Liquid-sealed vibration isolator | Kentaro Yamamoto, Yoshiyuki Seno, Gen Isawa | 2014-11-25 |
| 8864114 | Liquid-sealed antivibration device | Tatsunori Masuda, Kentaro Yamamoto, Takahiro Ohguchi, Gen Isawa | 2014-10-21 |
| 8807544 | Liquid-sealed antivibration device | Kentaro Yamamoto, Katsushi Saito, Gen Isawa, Tatsunori Masuda | 2014-08-19 |
| 8807545 | Liquid-sealed antivibration device | Tatsunori Masuda, Kentaro Yamamoto, Gen Isawa | 2014-08-19 |
| 8678360 | Liquid-sealed type vibration isolator | Kentaro Yamamoto, Takahiro Ohguchi, Gen Isawa, Kengo Hase, Norimitsu Furusawa | 2014-03-25 |
| 8573570 | Fluid-filled vibration damping device | Hiroyuki Ichikawa, Yuichi Ogawa, Naoki Furumachi, Nobuya Yoshida | 2013-11-05 |
| 8181946 | Liquid enclosing type vibration isolating apparatus | Kentaro Yamamoto, Seiichi Hamate, Toshiyuki Kitano, Nobuya Yoshida | 2012-05-22 |
| 8101031 | Hollow power transmission shaft and method of manufacturing the same | Toru Nakagawa, Masamichi Shinbo, Masami Yamaguchi, Tsuneaki Hiraoka | 2012-01-24 |
| 7399230 | Power transmission shaft | Kisao Yamazaki | 2008-07-15 |
| 7374493 | Power transmission shaft | Tohru Nakagawa | 2008-05-20 |
| 7112141 | Power transmission shaft | Tohru Nakagawa, Kisao Yamazaki | 2006-09-26 |