Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4792939 | Duplex radio communication transceiver | Mitsutaka Hikita, Atsushi Sumioka, Kunihiro Hamada, Yutaka Chiba, Yoshio Abe | 1988-12-20 |
| 4734664 | Surface acoustic wave resonator | Mitsutaka Hikita, Atsushi Sumioka | 1988-03-29 |