Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9520216 | R-T-B based sintered magnet | Yasushi Enokido, Kyung-Ku Choi, Daisuke Tanaka | 2016-12-13 |
| 9490053 | R-T-B based permanent magnet | Kenichi Suzuki, Kyung-Ku Choi | 2016-11-08 |
| 9472175 | Drum head and drum | Yohei WADA | 2016-10-18 |
| 9396852 | R-T-B based permanent magnet | Kenichi Suzuki, Kyung-Ku Choi | 2016-07-19 |
| 9354285 | Magnetic measurement device | Kenichi Suzuki, Tsutomu Chikamatsu, Akio Ogawa, Kyung-Ku Choi | 2016-05-31 |
| 9286870 | Pedal device for electronic percussion instrument | — | 2016-03-15 |