Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8641290 | Tapered roller bearing | Koji Kawaguchi, Yuzuru Takahashi, Hiroki Matsuyama | 2014-02-04 |
| 7997804 | Rolling bearing apparatus | Kanichi Koda | 2011-08-16 |
| 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, Koji Kawaguchi +2 more | 2010-03-16 |
| 7594759 | Oblique contact double row ball bearing and method of imparting preload in the ball bearing | Toshihiro Kawaguchi | 2009-09-29 |
| 7350978 | Taper roller bearing | Hiroki Matsuyama, Hiroyuki Chiba, Masahiro Harada, Kazutoshi Toda, Koji Kawaguchi +2 more | 2008-04-01 |
| 7281855 | Tapered roller bearing and final reduction gear | Hiroshi Ueno, Kazutoshi Toda, Hirofumi Dodoro, Shigeo Kamamoto, Hiroki Matsuyama +8 more | 2007-10-16 |
| 5803619 | Antifriction bearing pre-loading device and shaft bearing structure | Shinsuke Tabata, Kouichi Ueda | 1998-09-08 |
| 5537278 | Thin film laminate magnetic head with reaction prevention layers | Seiji Yaegashi, Hideo Segawa | 1996-07-16 |