Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827281 | Audio output device | Yutaka Fukuyama, Yukio Hiratsuka, Heeburm Ryu | 2020-11-03 |
| 10286665 | Liquid ejection head and recording device using same | Kouichi Maruta, Kazumasa Furuhashi, Yoshihiro Yuu, Ayumu Matsumoto, Hiroshi Tamura +1 more | 2019-05-14 |