Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428925 | Battery pack comprising hollow portion and power tool using the same | Yukinori Akamoto, Haruhiko Tanaka, Kazumi Sato, Kiyoshi Ishitsuka, Hiroshi Kanasaki | 2002-08-06 |
| 6338916 | Hydrogen absorbing alloy, method of manufacturing hydrogen absorbing alloy and alkali secondary battery | Shuichiro Irie, Hideharu Suzuki, Reiji Nishikawa | 2002-01-15 |