Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9837596 | Piezoelectric device, piezoelectric actuator, piezoelectric sensor, hard disk drive, and inkjet printer apparatus | Ryu Ohta, Yuiko Hirose | 2017-12-05 |
| 9685602 | Piezoelectric thin film element, piezoelectric actuator, piezoelectric sensor, hard-disk drive and ink jet printer device | Ryu Ohta | 2017-06-20 |