Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10041540 | Grease composition and rolling device | Koji Yoshizaki, Kensuke Suzuki, Hiroki Iwamatsu | 2018-08-07 |
| 8951945 | Rolling bearing | Koji Yoshizaki, Kunihiro Yamaguchi, Komatsugu Nishimura, Michiru Ueda, Hiroki Iwamatsu | 2015-02-10 |
| 8741823 | Grease composition | Hiroki Iwamatsu | 2014-06-03 |
| 8044005 | Lubricant composition and sealed bearing thereof | Hidenobu Mikami, Seiji Okamura, Hiroki Iwamatsu | 2011-10-25 |