Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796140 | Removable disk construction | Manabu Wakabayashi, Tohru Sampei, Hiroshi Kanai, Yosuke Nagano, Takeo Sonobe +1 more | 1989-01-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796140 | Removable disk construction | Manabu Wakabayashi, Tohru Sampei, Hiroshi Kanai, Yosuke Nagano, Takeo Sonobe +1 more | 1989-01-03 |