Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481520 | Disk player door assembly | — | 1996-01-02 |
| 4427894 | Port section structure for mounting replacements on a shielding box | Mitsugu Sunaoshi, Takeshi Natori, Kojiro Yuki | 1984-01-24 |