Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6538854 | Actuator using piezoelectric element and head-positioning mechanism using the actuator | Shinji Koganezawa, Tomoyoshi Yamada, Yukihiro Uematsu, Hisashi Nakano, Ryuma Sakamoto +2 more | 2003-03-25 |
| 6327120 | Actuator using piezoelectric element and head-positioning mechanism using the actuator | Shinji Koganezawa, Toru Kohei, Tomoyoshi Yamada, Yukihiro Uematsu, Hisashi Nakano +3 more | 2001-12-04 |