Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141915 | Three-dimensional shaping device | Hiroshi Isobe | 2021-10-12 |
| 10302132 | Rolling bearing and a travel unit including rolling bearings | Naota Yamamoto, Hiroyoshi Ito, Kiyoshige Yamauchi, Hiroyuki Miyazaki, Takashi Ito | 2019-05-28 |
| 9506554 | Rolling bearing and a travel unit including rolling bearings | Naota Yamamoto, Hiroyoshi Ito, Kiyoshige Yamauchi, Hiroyuki Miyazaki, Takashi Ito | 2016-11-29 |
| 9476457 | Rolling bearing | Kiyoshige Yamauchi, Naota Yamamoto | 2016-10-25 |
| 8740471 | Retainer segment for tapered roller bearing, tapered roller bearing, and method for mounting tapered roller bearing | Masahiro Yamada, Tsukasa Toyoda, Yoriko Kosaka, Yuuki Ishizaki | 2014-06-03 |
| 8227950 | Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure | Hideji Ito, Tsukasa Yamakawa, Naoaki Tsuji | 2012-07-24 |
| 8044544 | Rolling bearing, spindle support structure of main motor for railway vehicle, and bearing structure | Hideji Ito, Tsukasa Yamakawa, Naoaki Tsuji | 2011-10-25 |