Issued Patents All Time
Showing 1–2 of 2 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 |
| 6097176 | Method for managing back-up power source | Takeshi Yao, Hideki Kasahara, Tatsuhiko Suzuki, Hajime Konishi | 2000-08-01 |