Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370224 | Disc housing case | Toshio Karakane, Fujio Nagai, Akio Takeda, Hisashi Kuma | 1994-12-06 |
| 5099995 | Disc housing case | Toshio Karakane, Fujio Nagai, Akio Takeda, Hisashi Kuma | 1992-03-31 |