Issued Patents 1989
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304822 | Battery pack | Michio Okumura, Yoshiyuki Kubota | 1989-11-28 |
| 4870758 | Portable circular saw | — | 1989-10-03 |
| D302786 | Electric screw driver | Tetsuhisa Kaneko | 1989-08-15 |
| 4851730 | Brush holder assembly for electric motor | Kenji Yoshida, Akira Naitoh | 1989-07-25 |
| 4836063 | Bolt tightening tool | — | 1989-06-06 |
| D301114 | Driver drill | Michio Okumura | 1989-05-16 |
| D300718 | Cordless driver drill | Michio Okumura | 1989-04-18 |
| 4805504 | Safety cover for miter saw | Nobuhiro Inoue, Kazunori Tsuge | 1989-02-21 |