Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047459 | Ball screw device | Akiyoshi Tashiro | 2021-06-29 |
| 8038352 | Rolling bearing device | Komatsugu Nishimura, Ikuo Ito | 2011-10-18 |
| 7677809 | Tapered roller bearing, a tapered roller bearing assembly and a pinion-shaft supporting assembly using the same | Hiroki Matsuyama, Hiroyuki Chiba, Masahiro Harada, Kazutoshi Toda, Kiyoshi Ogino +2 more | 2010-03-16 |
| 7350978 | Taper roller bearing | Hiroki Matsuyama, Hiroyuki Chiba, Masahiro Harada, Kazutoshi Toda, Kiyoshi Ogino +2 more | 2008-04-01 |
| 7287911 | Bearing device for supporting pinion shaft | Akiyuki Suzuki, Kanichi Kouda, Motoshi Kawamura, Kunihiko Yokota, Toshirou Fukuda | 2007-10-30 |
| 7281855 | Tapered roller bearing and final reduction gear | Hiroshi Ueno, Kazutoshi Toda, Shigeo Kamamoto, Hiroki Matsuyama, Liming Lou +8 more | 2007-10-16 |
| 5032036 | Joint structure of annular member and shaft member | Yukitoshi Murakami, Naoki Minamoto, Atsushi Chiba, Minoru Kinbara | 1991-07-16 |