Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822420 | Battery power source device including rechargeable battery and circuit board joined thereto | Katsumi Kozu, Shigeo Aoki, Takashi Takemura, Junji Fujiwara, Yoshinori Koyanagi +1 more | 2004-11-23 |