Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7874737 | Tapered roller bearing and automotive pinion shaft supporting apparatus utilizing same tapered roller bearing | Hiroki Matsuyama, Hiroyuki Chiba | 2011-01-25 |
| 7871201 | Tapered roller bearing, tapered roller bearing apparatus, and automotive pinion shaft supporting apparatus utilizing same tapered roller bearing apparatus | Hiroyuki Ohshima, Hiroki Matsuyama, Kouji Kawaguchi, Naoki Masuda | 2011-01-18 |