Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8409748 | Battery and electronic apparatus | Hideki Hagiwara, Michihito Kobayashi, Yoshihiro Konno, Shoichi Shintani, Yoichi Miyajima +9 more | 2013-04-02 |
| 5172044 | Multi-rate constant voltage battery charger with display | Masayoshi Sasaki, Koji Umetsu | 1992-12-15 |