Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428925 | Battery pack comprising hollow portion and power tool using the same | Kazuta Takeno, Yukinori Akamoto, Haruhiko Tanaka, Kiyoshi Ishitsuka, Hiroshi Kanasaki | 2002-08-06 |