Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5365024 | Acoustic lens system | Akira Hasegawa, Masayoshi Omura, Eishi Ikuta | 1994-11-15 |
| 5333503 | Acoustic lens system | Akira Hasegawa, Masayoshi Omura, Eishi Ikuta | 1994-08-02 |
| 5282049 | Moving-picture data digital recording and reproducing apparatuses | Akira Hatakenaka, Seiichi Wakamatsu, Kenji Kishi | 1994-01-25 |