Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673758 | Low-noise impact screwdriver | Yasuo Sasaki | 1997-10-07 |
| 5619116 | Universal battery charger chargeable with relevant current dependent on cell number | Nobuhiro Takano, Shigeru Shinohara | 1997-04-08 |