Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7361419 | Substrate for a perpendicular magnetic recording medium, perpendicular magnetic recording medium, and manufacturing methods thereof | Hiroyuki Uwazumi, Yasushi Sakai, Norihiko Nakajima | 2008-04-22 |
| 6000314 | Cylinder with speed control mechanism | Hiroyuki Shimono | 1999-12-14 |
| D407409 | Rodless cylinder | Yoshiyuki Sugahara | 1999-03-30 |
| 5462325 | Bumper reinforcement and manufacturing method therefor | Hiroshi Fujii | 1995-10-31 |