Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11515810 | Energy conversion film and energy conversion element using same | Hiroshi Koike, Yutaro SUGAMATA | 2022-11-29 |
| 11433333 | Electretized sheet and filter | Yutaro SUGAMATA, Hiroshi Koike | 2022-09-06 |
| 11346709 | Sensor unit and musical instrument | Tomoya Miyata, Kunio Hiyama, Hiroshi Koike, Hidekazu Kodama | 2022-05-31 |