Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9441676 | Bearing assembly including IC tag | Takashi Ito, Naota Yamamoto, Hirohide Komatsu, Tsutomu Sawa | 2016-09-13 |
| 8227950 | Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure | Katsunori Sone, Hideji Ito, Naoaki Tsuji | 2012-07-24 |
| 8044544 | Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure | Katsunori Sone, Hideji Ito, Naoaki Tsuji | 2011-10-25 |
| 6547443 | Tapered roller bearing | Kimihiro Hanai, Takashi Tsujimoto, Yasuhiro Shimizu, Shiro Ishikawa | 2003-04-15 |