Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6626013 | Washing machine, display/operation panel, and household appliance with the display/operation panel | Yoshihiro Ohta, Toshifumi Koike, Katuhumi Takagishi | 2003-09-30 |
| 6557382 | Washing machine | Toshifumi Koike, Yoshihiro Ohta, Tamotu Shikamori, Hiroshi Ohsugi | 2003-05-06 |
| 4796140 | Removable disk construction | Manabu Wakabayashi, Tohru Sampei, Hiroshi Kanai, Tomiyoshi Satoo, Takeo Sonobe +1 more | 1989-01-03 |