Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7622219 | Battery pack | Shinji Ota, Toshio Yamashitafuji, Takeshi Ishimaru, Kenjin Masumoto, Hiroaki IMANISHI | 2009-11-24 |
| 7354677 | Battery pack | Hiroshi Yoshizawa, Koji Saito, Shinji Ohta | 2008-04-08 |
| 6893753 | Rechargeable battery equipped with battery protection circuit | Yoshinori Iwaizono, Shoji Konishi, Shigeru Kajiwara, Takeshi Ishimaru, Masaru Kawabe | 2005-05-17 |
| 6759152 | Rechargeable battery equipped with battery protection circuit | Yoshinori Iwaizono, Shoji Konishi, Shigeru Kajiwara, Takeshi Ishimaru, Masaru Kawabe | 2004-07-06 |
| 6524732 | Rechargeable battery with protective circuit | Yoshinori Iwaizono, Shoji Konishi, Shigeru Kajiwara, Takeshi Ishimaru, Masaru Kawabe | 2003-02-25 |