Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5769657 | Attachment structure of battery pack to power-driven tools | Masayoshi Kondo, Takahide Kawakami, Youichi Kato, Katsumi Tozawa | 1998-06-23 |
| D387728 | Battery pack | Takahide Kawakami, Youichi Kato | 1997-12-16 |
| D384639 | Battery pack | Takahide Kawakami, Youichi Kato | 1997-10-07 |