Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6690528 | Recording and reproduction apparatus | Ryuji Kusumi | 2004-02-10 |
| 6563667 | Cassette deck mechanism for mounting/discharging different size cassettes using a pivoted arm | Morihiro Deura, Ryuji Kusumi | 2003-05-13 |
| 5640262 | Control system and connecting device | Tomoyuki Hanai | 1997-06-17 |