Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798658 | High voltage electrical packaging box structure | Kazuhiko Aitaka, Osamu Hasegawa | 2004-09-28 |
| 6682846 | Charging element device and holding structure therefor | Toshiyuki Matsuoka, Kenji Matsumoto, Osamu Hasegawa | 2004-01-27 |
| 6677728 | Battery box and battery holder having detachable ring-shaped members | Eiji Koike, Keishi Kousaka | 2004-01-13 |