Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137446 | Test apparatus and test method | Kazuhiro Iezumi, Tomoyuki Itakura, Keisuke Kusunoki, Yoshihiro KATO, Kazuhiro Tsujikawa +4 more | 2021-10-05 |
| 11057291 | Test system | Yoshiyuki Aoki, Kazuhiro Iezumi, Tomoyuki Itakura | 2021-07-06 |
| 7254368 | Audio system and head attachment audio unit | Teruo Okada, Hideaki Nebashi | 2007-08-07 |