Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11176918 | Piezoelectric element and musical instrument | Yutaro SUGAMATA, Seiichiro Iida, Kunio Hiyama, Suguru Sasaki, Hidekazu Kodama | 2021-11-16 |
| 11148393 | Electrostatic adsorbable laminated sheet and display material | Yutaro SUGAMATA | 2021-10-19 |
| 11124679 | Laminated sheet and method for producing the same | Shinsuke ASHIDA, Atsushi Sone, Tamio Shikano | 2021-09-21 |