Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339908 | Power tool | Takao Yokota, Nobuhiro Sano | 1994-08-23 |
| D322258 | Electric planer | — | 1991-12-10 |
| 5022447 | Safeguard apparatus for cutter of joint planer | — | 1991-06-11 |
| D307592 | Electric planer | Kiyoshi Hoshino | 1990-05-01 |
| D307104 | Electric router | Kiyoshi Hoshino | 1990-04-10 |
| 4770573 | Cutting depth adjusting mechanism of a router | — | 1988-09-13 |
| D280797 | Portable electric drill | Masakazu Sakamoto, Teruhisa Numata | 1985-10-01 |