Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8226298 | Sealing device and rolling bearing apparatus | Ryouhei Hosaka, Masahide Sunagawa | 2012-07-24 |
| 7001258 | Polishing jig for rolling mill backup roll bearing | — | 2006-02-21 |
| 6942556 | Polishing jig for bearing for use in back-up roll of rolling mill | — | 2005-09-13 |
| 4674080 | Disc loading and unloading apparatus for use in a disc player | Shunichi Miyazono, Tsutomu Toyogucyi | 1987-06-16 |